fixup! fixup! fixup! fixup! Introduce Manager::addBooksFromDirectory()

skipInvalid=false makes little sense, if an invalid book is found, we can simply choose to ignore it rather stopping the whole operation midway.

.github/workflows/ci.yml

@@ -11,36 +11,36 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os:
-          - macos-13
         target:
+          - macos-aarch64-dyn
           - macos-x86_64-dyn
           - ios-arm64-dyn
           - ios-x86_64-dyn
         include:
+          - target: macos-aarch64-dyn
+            arch_name: arm64-apple-macos
+            run_test: true
           - target: macos-x86_64-dyn
             arch_name: x86_64-apple-darwin
             run_test: true
           - target: ios-arm64-dyn
             arch_name: aarch64-apple-ios
-            run_test: true
+            run_test: false
           - target: ios-x86_64-dyn
             arch_name: x86-apple-ios-simulator
-            run_test: true
-    runs-on: ${{ matrix.os }}
+            run_test: false
+    runs-on: macos-15
 
     env:
       HOME: /Users/runner
     steps:
       - name: Retrieve source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install packages
         run: |
           brew update
-          brew install pkg-config ninja meson
-        env:
-          HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: 1
+          brew install ninja meson
 
       - name: Install dependencies
         uses: kiwix/kiwix-build/actions/dl_deps_archive@main
@@ -102,7 +102,7 @@ jobs:
         run: |
           set PKG_CONFIG_PATH=%cd%\BUILD_win-amd64\INSTALL\lib\pkgconfig
           set CPPFLAGS=-I%cd%\BUILD_win-amd64\INSTALL\include
-          meson.exe setup . build -Dwerror=false --default-library=static --buildtype=debug
+          meson.exe setup . build -Dwerror=false --default-library=static --buildtype=release
           cd build
           ninja.exe
 
@@ -123,39 +123,36 @@ jobs:
           - linux-x86_64-dyn
           - android-arm
           - android-arm64
+        image_variant: ['jammy']
         include:
           - target: linux-x86_64-static
-            image_variant: focal
             lib_postfix: '/x86_64-linux-gnu'
             arch_name: linux-x86_64
             run_test: true
             coverage: true
           - target: linux-x86_64-dyn
-            image_variant: focal
             lib_postfix: '/x86_64-linux-gnu'
             arch_name: linux-x86_64
             run_test: true
             coverage: true
           - target: android-arm
-            image_variant: focal
             lib_postfix: '/arm-linux-androideabi'
             arch_name: arm-linux-androideabi
             run_test: false
             coverage: false
           - target: android-arm64
-            image_variant: focal
             lib_postfix: '/aarch64-linux-android'
             arch_name: aarch64-linux-android
             run_test: false
             coverage: false
     env:
       HOME: /home/runner
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     container:
-      image: "ghcr.io/kiwix/kiwix-build_ci_${{matrix.image_variant}}:38"
+      image: "ghcr.io/kiwix/kiwix-build_ci_${{matrix.image_variant}}:2025-06-07"
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install dependencies
       uses: kiwix/kiwix-build/actions/dl_deps_archive@main
       with:

.github/workflows/package.yml

@@ -21,7 +21,6 @@ jobs:
 #          - debian-bullseye
           - ubuntu-noble
           - ubuntu-jammy
-          - ubuntu-focal
 
     steps:
       - uses: actions/checkout@v4
@@ -32,9 +31,9 @@ jobs:
         run: |
           if [[ $REF == refs/tags* ]]
           then
-            echo "::set-output name=ppa::kiwixteam/release"
+            echo "ppa=kiwixteam/release" >> $GITHUB_OUTPUT
           else
-            echo "::set-output name=ppa::kiwixteam/dev"
+            echo "ppa=kiwixteam/dev" >> $GITHUB_OUTPUT
           fi
         env:
           REF: ${{ github.ref }}
@@ -89,15 +88,7 @@ jobs:
           args: --no-sign
           ppa: ${{ steps.ppa.outputs.ppa }}
 
-      - uses: legoktm/gh-action-build-deb@ubuntu-focal
-        if: matrix.distro == 'ubuntu-focal'
-        name: Build package for ubuntu-focal
-        id: build-ubuntu-focal
-        with:
-          args: --no-sign
-          ppa: ${{ steps.ppa.outputs.ppa }}
-
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: Packages for ${{ matrix.distro }}
           path: output

ChangeLog

@@ -1,3 +1,31 @@
+libkiwix 14.1.1
+===============
+
+* Server:
+  - Fix regression for kiwix-serve --nosearchbar (@veloman-yunkan #1250)
+  - Avoid results content interpretation... crash in fulltext search (@vighnesh-sawant #1241)
+  - Fix for intermittent /content/blank.html errors (@veloman-yunkan #1249)
+
+libkiwix 14.1.0
+===============
+
+ * Server:
+  - Viewer detects & tracks intrapage navigation anchors too (@veloman-yunkan #1213)
+  - Add support for catalog only mode (@veloman-yunkan #1219)
+  - Add API which returns server access url (@vighnesh-sawant #1234)
+  - Fix chrome searchbar placeholder text overflow (@aditii2712 #1185)
+  - Fix magnet link queryStyring (@rgaudin #1160)
+  - Improve chrome printing stylesheet (@kelson42 #1202)
+  - Default white background (@kelson42 #1205)
+
+ * Other:
+  - Switched to the new libzim illustrations API (@veloman-yunkan #1226)
+  - Stop building Windows with DEBUG symbols in CI (@kelson42 #1165)
+  - Update many things in the CI/CD (@kelson42 #1203 #1194 #1209 #1207 #1235)
+  - Requires now libzim 9.4.0 (@kelson42 #1231)
+  - Fix compilation for FreeBSD (@OICe2 #1173 #1174)
+  - Wait up to 1s to let aria2c to start before complaining (@kelson42 #1169)
+
 libkiwix 14.0.0
 ===============
 

README.md

@@ -7,7 +7,7 @@ GNU/Linux, macOS, Android, iOS, ...).
 
 [![Release](https://img.shields.io/github/v/tag/kiwix/libkiwix?label=release&sort=semver)](https://download.kiwix.org/release/libkiwix/)
 [![Repositories](https://img.shields.io/repology/repositories/libkiwix?label=repositories)](https://github.com/kiwix/libkiwix/wiki/Repology)
-[![Build Status](https://github.com/kiwix/libkiwix/workflows/CI/badge.svg?query=branch%3Amain)](https://github.com/kiwix/libkiwix/actions?query=branch%3Amain)
+[![Build Status](https://github.com/kiwix/libkiwix/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/kiwix/libkiwix/actions?query=branch%3Amain)
 [![Doc](https://readthedocs.org/projects/libkiwix/badge/?style=flat)](https://libkiwix.readthedocs.org/en/latest/?badge=latest)
 [![CodeFactor](https://www.codefactor.io/repository/github/kiwix/libkiwix/badge)](https://www.codefactor.io/repository/github/kiwix/libkiwix)
 [![Codecov](https://codecov.io/gh/kiwix/libkiwix/branch/main/graph/badge.svg)](https://codecov.io/gh/kiwix/libkiwix)

debian/control

@@ -4,7 +4,7 @@ Maintainer: Kiwix team <kiwix@kiwix.org>
 Build-Depends: debhelper-compat (= 13),
  meson,
  pkgconf,
- libzim-dev (>= 9.0.0), libzim-dev (<< 10.0.0),
+ libzim-dev (>= 9.0), libzim-dev (<< 10.0),
  libcurl4-gnutls-dev,
  libicu-dev,
  libgtest-dev,
@@ -22,7 +22,7 @@ Section: libdevel
 Architecture: any
 Multi-Arch: same
 Depends: libkiwix14 (= ${binary:Version}), ${misc:Depends}, python3,
- libzim-dev (>= 9.0.0), libzim-dev (<< 10.0.0),
+ libzim-dev (>= 9.0), libzim-dev (<< 10.0),
  libicu-dev,
  libpugixml-dev,
  libcurl4-gnutls-dev,

include/manager.h

@@ -155,6 +155,15 @@ class Manager
                        const std::string& url = "",
                        const bool checkMetaData = false);
 
+  /**
+   * Add all books from the directory tree into the library.
+   * 
+   * @param path          The path of the directory to scan.
+   * @param verboseFlag   Verbose logs flag.
+   */
+  void addBooksFromDirectory(const std::string& path,
+                             const bool verboseFlag = false);
+
   std::string writableLibraryPath;
 
   bool m_hasSearchResult = false;

include/meson.build

@@ -7,6 +7,7 @@ headers = [
   'downloader.h',
   'search_renderer.h',
   'server.h',
+  'spelling_correction.h',
   'kiwixserve.h',
   'name_mapper.h',
   'tools.h',

include/name_mapper.h

@@ -50,7 +50,7 @@ class HumanReadableNameMapper : public NameMapper {
     std::map<std::string, std::string> m_nameToId;
 
   public:
-    HumanReadableNameMapper(kiwix::Library& library, bool withAlias);
+    HumanReadableNameMapper(const kiwix::Library& library, bool withAlias);
     virtual ~HumanReadableNameMapper() = default;
     virtual std::string getNameForId(const std::string& id) const;
     virtual std::string getIdForName(const std::string& name) const;

include/server.h

@@ -63,10 +63,13 @@ namespace kiwix
         { m_withTaskbar = withTaskbar; m_withLibraryButton = withLibraryButton; }
        void setBlockExternalLinks(bool blockExternalLinks)
         { m_blockExternalLinks = blockExternalLinks; }
+       void setCatalogOnlyMode(bool enable) { m_catalogOnlyMode = enable; }
+       void setContentServerUrl(std::string url) { m_contentServerUrl = url; }
        void setIpMode(IpMode mode) { m_ipMode = mode; }
        int getPort() const;
        IpAddress getAddress() const;
        IpMode getIpMode() const;
+       std::vector<std::string> getServerAccessUrls() const;
 
      protected:
        std::shared_ptr<Library> mp_library;
@@ -83,6 +86,8 @@ namespace kiwix
        bool m_blockExternalLinks = false;
        IpMode m_ipMode = IpMode::AUTO;
        int m_ipConnectionLimit = 0;
+       bool m_catalogOnlyMode = false;
+       std::string m_contentServerUrl;
        std::unique_ptr<InternalServer> mp_server;
   };
 }

include/spelling_correction.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2025 Veloman Yunkan
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU  General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef KIWIX_SPELLING_CORRECTION_H
+#define KIWIX_SPELLING_CORRECTION_H
+
+#include <filesystem>
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace zim
+{
+class Archive;
+}
+
+namespace Xapian
+{
+class Database;
+}
+
+namespace kiwix
+{
+
+class SpellingsDB
+{
+public: // functions
+  SpellingsDB(const zim::Archive& archive, std::filesystem::path cacheDirPath);
+  ~SpellingsDB();
+
+  SpellingsDB(const SpellingsDB& ) = delete;
+  void operator=(const SpellingsDB& ) = delete;
+
+  std::vector<std::string> getSpellingCorrections(const std::string& word, uint32_t maxCount) const;
+
+private: // data
+  std::unique_ptr<Xapian::Database> impl_;
+};
+
+} // namespace kiwix
+
+#endif // KIWIX_SPELLING_CORRECTION_H

meson.build

@@ -1,26 +1,61 @@
 project('libkiwix', 'cpp',
-  version : '14.0.0',
+  version : '14.1.1',
   license : 'GPLv3+',
   default_options : ['c_std=c11', 'cpp_std=c++17', 'werror=true'])
 
 compiler = meson.get_compiler('cpp')
-
 static_deps = get_option('static-linkage') or get_option('default_library') == 'static'
+extra_libs = []
 
-# See https://github.com/kiwix/libkiwix/issues/371
-if ['arm', 'mips', 'm68k', 'ppc', 'sh4'].contains(host_machine.cpu_family())
-  extra_libs = ['-latomic']
-else
-  extra_libs = []
+# Atomics as compiled by GCC or clang can lead to external references to
+# functions depending on the type size and the platform. LLVM provides them in
+# 'libcompiler_rt', which clang normally automatically links in, while GNU
+# provides them in 'libatomic', which GCC *does not* link in automatically (but
+# this is probably going to change, see
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81358). Regardless of the setup
+# of the compiler driver itself (GCC or clang), we can thus assume that if some
+# atomic references can't be resolved, then 'libatomic' is missing.
+atomics_program = '''
+#include <atomic>
+#include <cstdint>
+
+using namespace std;
+
+int main() {
+  volatile atomic_bool a_b(true);
+  volatile atomic_ullong a_ull(-1);
+  // Next two lines are to cover atomic<socket_t> from 'httplib.h'.
+  volatile atomic<uint32_t> a_u32(-1);
+  volatile atomic<uint64_t> a_u64(-1);
+
+  return atomic_load(&a_b) == false && atomic_load(&a_ull) == 0 &&
+    atomic_load(&a_u32) == 0 && atomic_load(&a_u64) == 0;
+}
+'''
+if not compiler.links(atomics_program,
+                      name: 'compiler driver readily supports atomics')
+  libatomic = compiler.find_library('atomic')
+  compiler.links(atomics_program, name: 'atomics work with libatomic',
+                 dependencies: libatomic, required: true)
+  extra_libs += ['-latomic']
 endif
 
-if (compiler.get_id() == 'gcc' and build_machine.system() == 'linux') or host_machine.system() == 'freebsd'
-  # C++ std::thread is implemented using pthread on linux by gcc
+# C++ std::thread is implemented using pthread on Linux by GCC, and on FreeBSD
+# for both GCC and LLVM.
+if (host_machine.system() == 'linux' and compiler.get_id() == 'gcc') or \
+   host_machine.system() == 'freebsd'
   thread_dep = dependency('threads')
 else
   thread_dep = dependency('', required:false)
 endif
+
 libicu_dep = dependency('icu-i18n', static:static_deps)
+if libicu_dep.version().version_compare('>= 76')
+  libicu_deps = [libicu_dep, dependency('icu-uc', static:static_deps)]
+else
+  libicu_deps = [libicu_dep]
+endif
+
 pugixml_dep = dependency('pugixml', static:static_deps)
 libcurl_dep = dependency('libcurl', static:static_deps)
 microhttpd_dep = dependency('libmicrohttpd', static:static_deps)
@@ -35,7 +70,7 @@ else
   error('Cannot found header mustache.hpp')
 endif
 
-libzim_dep = dependency('libzim', version:['>=9.0.0', '<10.0.0'], static:static_deps)
+libzim_dep = dependency('libzim', version:['>=9.4.0', '<10.0.0'], static:static_deps)
 
 if not compiler.has_header_symbol('zim/zim.h', 'LIBZIM_WITH_XAPIAN', dependencies: libzim_dep)
   error('Libzim seems to be compiled without Xapian. Xapian support is mandatory.')
@@ -58,7 +93,11 @@ if build_machine.system() == 'windows'
 endif
 
 
-all_deps = [thread_dep, libicu_dep, libzim_dep, pugixml_dep, libcurl_dep, microhttpd_dep, zlib_dep, xapian_dep]
+# Dependencies as string
+all_deps = [thread_dep, libzim_dep, pugixml_dep, libcurl_dep, microhttpd_dep, zlib_dep, xapian_dep]
+
+# Dependencies as array
+all_deps += libicu_deps
 
 inc = include_directories('include', extra_include)
 

src/aria2.cpp

@@ -124,7 +124,7 @@ Aria2::Aria2(std::string sessionFileDir):
 
   typedef std::chrono::duration<double> Seconds;
 
-  const double MAX_WAITING_TIME_SECONDS = 0.5;
+  const double MAX_WAITING_TIME_SECONDS = 1;
   const auto t0 = std::chrono::steady_clock::now();
   bool maxWaitingTimeWasExceeded = false;
 

src/book.cpp

@@ -82,10 +82,11 @@ void Book::update(const zim::Archive& archive) {
   m_size = static_cast<uint64_t>(getArchiveFileSize(archive)) << 10;
 
   m_illustrations.clear();
-  for ( const auto illustrationSize : archive.getIllustrationSizes() ) {
+  for ( const auto& illustrationInfo : archive.getIllustrationInfos() ) {
     const auto illustration = std::make_shared<Illustration>();
-    const zim::Item illustrationItem = archive.getIllustrationItem(illustrationSize);
-    illustration->width = illustration->height = illustrationSize;
+    const zim::Item illustrationItem = archive.getIllustrationItem(illustrationInfo);
+    illustration->width = illustrationInfo.width;
+    illustration->height = illustrationInfo.height;
     illustration->mimeType = illustrationItem.getMimetype();
     illustration->data = illustrationItem.getData();
     // NOTE: illustration->url is left uninitialized

src/html_dumper.cpp

@@ -27,6 +27,30 @@ std::string humanFriendlyTitle(std::string title)
   return humanFriendlyString;
 }
 
+kainjow::mustache::object getLangTag(const std::vector<std::string>& bookLanguages) {
+  std::string langShortString = "";
+  std::string langFullString = "???";
+
+  //if more than 1 languages then show "mul" else show the language
+  if(bookLanguages.size() > 1) {
+    std::vector<std::string> mulLanguages;
+    langShortString = "mul";
+    for (const auto& lang : bookLanguages) {
+      const std::string fullLang = getLanguageSelfName(lang);
+      mulLanguages.push_back(fullLang);
+    }
+    langFullString = kiwix::join(mulLanguages, ",");
+  } else if(bookLanguages.size() == 1) {
+    langShortString = bookLanguages[0];
+    langFullString = getLanguageSelfName(langShortString);
+  }
+
+  kainjow::mustache::object langTag;
+    langTag["langShortString"] = langShortString;
+    langTag["langFullString"] = langFullString;
+  return langTag;
+}
+
 kainjow::mustache::list getTagList(std::string tags)
 {
   const auto tagsList = kiwix::split(tags, ";", true, false);
@@ -72,17 +96,16 @@ std::string HTMLDumper::dumpPlainHTML(kiwix::Filter filter) const
       contentId = urlEncode(nameMapper->getNameForId(bookId));
     } catch (...) {}
     const auto bookDescription = bookObj.getDescription();
-    const auto langCode = bookObj.getCommaSeparatedLanguages();
     const auto bookIconUrl = rootLocation + "/catalog/v2/illustration/" + bookId +  "/?size=48";
     const auto tags = bookObj.getTags();
     const auto downloadAvailable = (bookObj.getUrl() != "");
+    const auto langTagObj = getLangTag(bookObj.getLanguages());
     std::string faviconAttr = "style=background-image:url(" + bookIconUrl + ")";
-
     booksData.push_back(kainjow::mustache::object{
       {"id", contentId},
       {"title", bookTitle},
       {"description", bookDescription},
-      {"langCode", langCode},
+      {"langTag", langTagObj},
       {"faviconAttr", faviconAttr},
       {"tagList", getTagList(tags)},
       {"downloadAvailable", downloadAvailable}
@@ -107,6 +130,7 @@ std::string HTMLDumper::dumpPlainHTML(kiwix::Filter filter) const
              RESOURCE::templates::no_js_library_page_html,
              kainjow::mustache::object{
                {"root", rootLocation},
+               {"contentAccessUrl", onlyAsNonEmptyMustacheValue(contentAccessUrl)},
                {"books", booksData },
                {"searchQuery", searchQuery},
                {"languages", languages},

src/library_dumper.h

@@ -50,6 +50,13 @@ class LibraryDumper
    */
   void setRootLocation(const std::string& rootLocation) { this->rootLocation = rootLocation; }
 
+  /**
+   * Set the URL for accessing book content
+   *
+   * @param url the URL of the /content endpoint of the content server
+   */
+  void setContentAccessUrl(const std::string& url) { this->contentAccessUrl = url; }
+
   /**
    * Set some informations about the search results.
    *
@@ -58,10 +65,10 @@ class LibraryDumper
    * @param count the number of result of the current set (or page).
    */
   void setOpenSearchInfo(int totalResult, int startIndex, int count);
-  
+
   /**
    * Sets user default language
-   * 
+   *
    * @param userLang the user language to be set
    */
   void setUserLanguage(std::string userLang) { this->m_userLang = userLang; }
@@ -81,6 +88,7 @@ class LibraryDumper
   const kiwix::NameMapper* const nameMapper;
   std::string libraryId;
   std::string rootLocation;
+  std::string contentAccessUrl;
   std::string m_userLang;
   int m_totalResults;
   int m_startIndex;

src/manager.cpp

@@ -23,6 +23,14 @@
 #include "tools/pathTools.h"
 
 #include <pugixml.hpp>
+#include <filesystem>
+#include <iostream>
+#include <set>
+#include <queue>
+#include <cctype>
+#include <algorithm>
+
+namespace fs = std::filesystem;
 
 namespace kiwix
 {
@@ -251,6 +259,58 @@ bool Manager::addBookFromPath(const std::string& pathToOpen,
           .empty());
 }
 
+void Manager::addBooksFromDirectory(const std::string& path,
+                                    const bool verboseFlag)
+{
+  std::set<std::string> iteratedDirs;
+  std::queue<std::string> dirQueue;
+  dirQueue.push(fs::absolute(path).u8string());
+  int totalBooksAdded = 0;
+  if (verboseFlag)
+    std::cout << "Adding books from the directory tree: " << dirQueue.front() << std::endl;
+
+  while (!dirQueue.empty()) {
+    const auto currentPath = dirQueue.front();
+    dirQueue.pop();
+    if (verboseFlag)
+      std::cout << "Visiting directory: " << currentPath << std::endl;
+    for (const auto& dirEntry : fs::directory_iterator(currentPath)) {
+      auto resolvedPath = dirEntry.path();
+      if (fs::is_symlink(dirEntry)) {
+        try {
+          resolvedPath = fs::canonical(dirEntry.path());
+        } catch (const std::exception& e) {
+          std::cerr << "Could not resolve symlink " << resolvedPath.u8string() << " to a valid path. Skipping..." << std::endl;
+          continue;
+        }
+      }
+      const std::string pathString = resolvedPath.u8string();
+      std::string resolvedPathExtension = resolvedPath.extension();
+      std::transform(resolvedPathExtension.begin(), resolvedPathExtension.end(), resolvedPathExtension.begin(),
+          [](unsigned char c){ return std::tolower(c); });
+      if (fs::is_directory(resolvedPath)) {
+        if (iteratedDirs.find(pathString) == iteratedDirs.end())
+          dirQueue.push(pathString);
+        else if (verboseFlag)
+          std::cout << "Already iterated over " << pathString << ". Skipping..." << std::endl;
+      } else if (resolvedPathExtension == ".zim" || resolvedPathExtension == ".zimaa") {
+        if (!this->addBookFromPath(pathString, pathString, "", false)) {
+          std::cerr << "Could not add " << pathString << " into the library." << std::endl;
+        } else if (verboseFlag) {
+          std::cout << "Added " << pathString << " into the library." << std::endl;
+          totalBooksAdded++;
+        }
+      } else if (verboseFlag) {
+        std::cout << "Skipped " << pathString << " - unsupported file type or permission denied." << std::endl;
+      }
+    }
+    iteratedDirs.insert(currentPath);
+  }
+
+  if (verboseFlag)
+    std::cout << "Traversal completed. Total books added: " << totalBooksAdded << std::endl;
+}
+
 bool Manager::readBookFromPath(const std::string& path, kiwix::Book* book)
 {
   std::string tmp_path = path;

src/meson.build

@@ -31,6 +31,7 @@ kiwix_sources = [
   'server/internalServer_catalog.cpp',
   'server/i18n.cpp',
   'opds_catalog.cpp',
+  'spelling_correction.cpp',
   'version.cpp'
 ]
 kiwix_sources += lib_resources

src/name_mapper.cpp

@@ -24,8 +24,8 @@
 
 namespace kiwix {
 
-HumanReadableNameMapper::HumanReadableNameMapper(kiwix::Library& library, bool withAlias) {
-  for (auto& bookId: library.filter(kiwix::Filter().local(true).valid(true))) {
+HumanReadableNameMapper::HumanReadableNameMapper(const kiwix::Library& library, bool withAlias) {
+  for (auto& bookId: library.filter(kiwix::Filter())) {
     auto& currentBook = library.getBookById(bookId);
     auto bookName = currentBook.getHumanReadableIdFromPath();
     m_idToName[bookId] = bookName;

src/opds_dumper.cpp

@@ -51,24 +51,26 @@ typedef kainjow::mustache::list IllustrationInfo;
 IllustrationInfo getBookIllustrationInfo(const Book& book)
 {
     kainjow::mustache::list illustrations;
-    if ( book.isPathValid() ) {
-      for ( const auto& illustration : book.getIllustrations() ) {
-        // For now, we are handling only sizexsize@1 illustration.
-        // So we can simply pass one size to mustache.
-        illustrations.push_back(kainjow::mustache::object{
-          {"icon_size", to_string(illustration->width)},
-          {"icon_mimetype", illustration->mimeType}
-        });
-      }
+    for ( const auto& illustration : book.getIllustrations() ) {
+      // For now, we are handling only sizexsize@1 illustration.
+      // So we can simply pass one size to mustache.
+      illustrations.push_back(kainjow::mustache::object{
+        {"icon_size", to_string(illustration->width)},
+        {"icon_mimetype", illustration->mimeType}
+      });
     }
     return illustrations;
 }
 
-std::string fullEntryXML(const Book& book, const std::string& rootLocation, const std::string& contentId)
+std::string fullEntryXML(const Book& book,
+                         const std::string& rootLocation,
+                         const std::string& contentAccessUrl,
+                         const std::string& contentId)
 {
     const auto bookDate = book.getDate() + "T00:00:00Z";
     const kainjow::mustache::object data{
       {"root",  rootLocation},
+      {"contentAccessUrl",  onlyAsNonEmptyMustacheValue(contentAccessUrl)},
       {"id", book.getId()},
       {"name", book.getName()},
       {"title", book.getTitle()},
@@ -105,7 +107,12 @@ std::string partialEntryXML(const Book& book, const std::string& rootLocation)
     return render_template(xmlTemplate, data);
 }
 
-BooksData getBooksData(const Library* library, const NameMapper* nameMapper, const std::vector<std::string>& bookIds, const std::string& rootLocation, bool partial)
+BooksData getBooksData(const Library* library,
+                       const NameMapper* nameMapper,
+                       const std::vector<std::string>& bookIds,
+                       const std::string& rootLocation,
+                       const std::string& contentAccessUrl,
+                       bool partial)
 {
   BooksData booksData;
   for ( const auto& bookId : bookIds ) {
@@ -114,7 +121,7 @@ BooksData getBooksData(const Library* library, const NameMapper* nameMapper, con
       const std::string contentId = nameMapper->getNameForId(bookId);
       const auto entryXML = partial
                           ? partialEntryXML(book, rootLocation)
-                          : fullEntryXML(book, rootLocation, contentId);
+                          : fullEntryXML(book, rootLocation, contentAccessUrl, contentId);
       booksData.push_back(kainjow::mustache::object{ {"entry", entryXML} });
     } catch ( const std::out_of_range& ) {
       // the book was removed from the library since its id was obtained
@@ -129,7 +136,7 @@ BooksData getBooksData(const Library* library, const NameMapper* nameMapper, con
 
 string OPDSDumper::dumpOPDSFeed(const std::vector<std::string>& bookIds, const std::string& query) const
 {
-  const auto booksData = getBooksData(library, nameMapper, bookIds, rootLocation, false);
+  const auto booksData = getBooksData(library, nameMapper, bookIds, rootLocation, contentAccessUrl, false);
   const kainjow::mustache::object template_data{
      {"date", gen_date_str()},
      {"root", rootLocation},
@@ -147,7 +154,7 @@ string OPDSDumper::dumpOPDSFeed(const std::vector<std::string>& bookIds, const s
 string OPDSDumper::dumpOPDSFeedV2(const std::vector<std::string>& bookIds, const std::string& query, bool partial) const
 {
   const auto endpointRoot = rootLocation + "/catalog/v2";
-  const auto booksData = getBooksData(library, nameMapper, bookIds, rootLocation, partial);
+  const auto booksData = getBooksData(library, nameMapper, bookIds, rootLocation, contentAccessUrl, partial);
 
   const char* const endpoint = partial ? "/partial_entries" : "/entries";
   const std::string url = endpoint + (query.empty() ? "" : "?" + query);
@@ -172,7 +179,7 @@ std::string OPDSDumper::dumpOPDSCompleteEntry(const std::string& bookId) const
   const std::string contentId = nameMapper->getNameForId(bookId);
   return XML_HEADER
          + "\n"
-         + fullEntryXML(book, rootLocation, contentId);
+         + fullEntryXML(book, rootLocation, contentAccessUrl, contentId);
 }
 
 std::string OPDSDumper::categoriesOPDSFeed() const

src/search_renderer.cpp

@@ -58,7 +58,7 @@ ParameterizedMessage searchResultsPageHeaderMsg(const std::string& searchPattern
     return ParameterizedMessage("search-results-page-header",
                                 {
                                   {"SEARCH_PATTERN", searchPattern},
-                                  {"START", r.get("start")->string_value()},
+                                  {"START", r.get("startLabel")->string_value()},
                                   {"END",   r.get("end")  ->string_value()},
                                   {"COUNT", r.get("count")->string_value()},
                                 }
@@ -225,7 +225,8 @@ std::string SearchRenderer::renderTemplate(const std::string& tmpl_str, const Na
   results.set("items", items);
   results.set("count", kiwix::beautifyInteger(estimatedResultCount));
   results.set("start", kiwix::beautifyInteger(resultStart));
-  results.set("end", kiwix::beautifyInteger(std::min(resultStart+pageLength-1, estimatedResultCount)));
+  results.set("startLabel", kiwix::beautifyInteger(resultStart+1));
+  results.set("end", kiwix::beautifyInteger(std::min(resultStart+pageLength, estimatedResultCount)));
 
   // pagination
   auto pagination = buildPagination(

src/server.cpp

@@ -29,6 +29,22 @@
 
 namespace kiwix {
 
+namespace
+{
+
+std::string makeServerUrl(std::string host, int port, std::string root)
+{
+  const int httpDefaultPort = 80;
+
+  if (port == httpDefaultPort) {
+    return "http://" + host + root;
+  } else {
+    return "http://" + host + ":" + std::to_string(port) + root;
+  }
+}
+
+}  // unnamed namespace
+
 Server::Server(LibraryPtr library, std::shared_ptr<NameMapper> nameMapper) :
   mp_library(library),
   mp_nameMapper(nameMapper),
@@ -53,8 +69,16 @@ bool Server::start() {
     m_blockExternalLinks,
     m_ipMode,
     m_indexTemplateString,
-    m_ipConnectionLimit));
-  return mp_server->start();
+    m_ipConnectionLimit,
+    m_catalogOnlyMode,
+    m_contentServerUrl));
+  if (mp_server->start()) {
+    // this syncs m_addr of InternalServer and Server as they may diverge
+    m_addr = mp_server->getAddress();
+    return true;
+  } else {
+    return false;
+  }
 }
 
 void Server::stop() {
@@ -67,12 +91,12 @@ void Server::stop() {
 void Server::setRoot(const std::string& root)
 {
   m_root = root;
-  if (m_root[0] != '/') {
-    m_root = "/" + m_root;
-  }
-  if (m_root.back() == '/') {
-    m_root.erase(m_root.size() - 1);
-  }
+  while (!m_root.empty() && m_root.back() == '/')
+    m_root.pop_back();
+
+  while (!m_root.empty() && m_root.front() == '/')
+    m_root = m_root.substr(1);
+  m_root = m_root.empty() ? m_root : "/" + m_root;
 }
 
 void Server::setAddress(const std::string& addr)
@@ -91,12 +115,12 @@ void Server::setAddress(const std::string& addr)
 
 int Server::getPort() const
 {
-  return mp_server->getPort();
+  return m_port;
 }
 
 IpAddress Server::getAddress() const
 {
-  return mp_server->getAddress();
+  return m_addr;
 }
 
 IpMode Server::getIpMode() const
@@ -104,4 +128,16 @@ IpMode Server::getIpMode() const
   return mp_server->getIpMode();
 }
 
+std::vector<std::string> Server::getServerAccessUrls() const
+{
+  std::vector<std::string> result;
+  if (!m_addr.addr.empty()) {
+    result.push_back(makeServerUrl(m_addr.addr, m_port, m_root));
+  }
+  if (!m_addr.addr6.empty()) {
+    result.push_back(makeServerUrl("[" + m_addr.addr6 + "]", m_port, m_root));
+  }
+  return result;
+}
+
 }

src/server/internalServer.cpp

@@ -99,16 +99,6 @@ bool ipAvailable(const std::string addr)
   return false;
 }
 
-inline std::string normalizeRootUrl(std::string rootUrl)
-{
-  while ( !rootUrl.empty() && rootUrl.back() == '/' )
-    rootUrl.pop_back();
-
-  while ( !rootUrl.empty() && rootUrl.front() == '/' )
-    rootUrl = rootUrl.substr(1);
-  return rootUrl.empty() ? rootUrl : "/" + rootUrl;
-}
-
 std::string
 fullURL2LocalURL(const std::string& fullUrl, const std::string& rootLocation)
 {
@@ -125,9 +115,12 @@ std::string getSearchComponent(const RequestContext& request)
     return query.empty() ? query : "?" + query;
 }
 
-Filter get_search_filter(const RequestContext& request, const std::string& prefix="")
+Filter get_search_filter(const RequestContext& request, const std::string& prefix="", bool catalogOnlyMode = false)
 {
-    auto filter = kiwix::Filter().valid(true).local(true);
+    auto filter = kiwix::Filter();
+    if ( !catalogOnlyMode ) {
+      filter.valid(true).local(true);
+    }
     try {
       filter.query(request.get_argument(prefix+"q"));
     } catch (const std::out_of_range&) {}
@@ -432,10 +425,12 @@ InternalServer::InternalServer(LibraryPtr library,
                                bool blockExternalLinks,
                                IpMode ipMode,
                                std::string indexTemplateString,
-                               int ipConnectionLimit) :
+                               int ipConnectionLimit,
+                               bool catalogOnlyMode,
+                               std::string contentServerUrl) :
   m_addr(addr),
   m_port(port),
-  m_root(normalizeRootUrl(root)),
+  m_root(root),
   m_rootPrefixOfDecodedURL(m_root),
   m_nbThreads(nbThreads),
   m_multizimSearchLimit(multizimSearchLimit),
@@ -451,7 +446,9 @@ InternalServer::InternalServer(LibraryPtr library,
   mp_nameMapper(nameMapper ? nameMapper : std::shared_ptr<NameMapper>(&defaultNameMapper, NoDelete())),
   searchCache(getEnvVar<int>("KIWIX_SEARCH_CACHE_SIZE", DEFAULT_CACHE_SIZE)),
   suggestionSearcherCache(getEnvVar<int>("KIWIX_SUGGESTION_SEARCHER_CACHE_SIZE", std::max((unsigned int) (mp_library->getBookCount(true, true)*0.1), 1U))),
-  m_customizedResources(new CustomizedResources)
+  m_customizedResources(new CustomizedResources),
+  m_catalogOnlyMode(catalogOnlyMode),
+  m_contentServerUrl(contentServerUrl)
 {
   m_root = urlEncode(m_root);
 }
@@ -709,12 +706,10 @@ std::unique_ptr<Response> InternalServer::handle_request(const RequestContext& r
     return Response::build_redirect(contentUrl + query);
   } catch (std::exception& e) {
     fprintf(stderr, "===== Unhandled error : %s\n", e.what());
-    return HTTP500Response(request)
-         + ParameterizedMessage("non-translated-text", {{"MSG", e.what()}});
+    return HTTP500Response(request, m_root, request.get_full_url(), e.what());
   } catch (...) {
     fprintf(stderr, "===== Unhandled unknown error\n");
-    return HTTP500Response(request)
-         + nonParameterizedMessage("unknown-error");
+    return HTTP500Response(request, m_root, request.get_full_url());
   }
 }
 
@@ -845,6 +840,15 @@ std::string InternalServer::getNoJSDownloadPageHTML(const std::string& bookId, c
   );
 }
 
+void InternalServer::setContentAccessUrl(LibraryDumper& libDumper) const
+{
+  if ( !m_contentServerUrl.empty() ) {
+    libDumper.setContentAccessUrl(m_contentServerUrl + "/content");
+  } else if ( !m_catalogOnlyMode ) {
+    libDumper.setContentAccessUrl(m_root + "/content");
+  }
+}
+
 std::unique_ptr<Response> InternalServer::handle_no_js(const RequestContext& request)
 {
   const auto url = request.get_url();
@@ -852,12 +856,13 @@ std::unique_ptr<Response> InternalServer::handle_no_js(const RequestContext& req
   HTMLDumper htmlDumper(mp_library.get(), mp_nameMapper.get());
   htmlDumper.setRootLocation(m_root);
   htmlDumper.setLibraryId(getLibraryId());
+  setContentAccessUrl(htmlDumper);
   auto userLang = request.get_user_language();
   htmlDumper.setUserLanguage(userLang);
   std::string content;
 
   if (urlParts.size() == 1) {
-    auto filter = get_search_filter(request);
+    auto filter = get_search_filter(request, "", m_catalogOnlyMode);
     try {
       if (request.get_argument("category") == "") {
         filter.clearCategory();
@@ -1006,11 +1011,11 @@ std::unique_ptr<Response> InternalServer::handle_search_request(const RequestCon
     return response;
   }
 
-  const auto start = max(1u, request.get_optional_param("start", 1u));
+  const auto start = max(0u, request.get_optional_param("start", 0u));
   const auto pageLength = getSearchPageSize(request);
 
   /* Get the results */
-  SearchRenderer renderer(search->getResults(start-1, pageLength), start,
+  SearchRenderer renderer(search->getResults(start, pageLength), start,
                           search->getEstimatedMatches());
   renderer.setSearchPattern(searchInfo.pattern);
   renderer.setSearchBookQuery(searchInfo.bookFilterQuery);
@@ -1085,9 +1090,7 @@ std::unique_ptr<Response> InternalServer::handle_captured_external(const Request
     return UrlNotFoundResponse(request);
   }
 
-  auto data = get_default_data();
-  data.set("source", source);
-  return ContentResponse::build(RESOURCE::templates::captured_external_html, data, "text/html; charset=utf-8");
+  return BlockExternalLinkResponse(request, m_root, source);
 }
 
 std::unique_ptr<Response> InternalServer::handle_catch(const RequestContext& request)
@@ -1107,7 +1110,7 @@ std::vector<std::string>
 InternalServer::search_catalog(const RequestContext& request,
                                kiwix::OPDSDumper& opdsDumper)
 {
-    const auto filter = get_search_filter(request);
+    const auto filter = get_search_filter(request, "", m_catalogOnlyMode);
     std::vector<std::string> bookIdsToDump = mp_library->filter(filter);
     const auto totalResults = bookIdsToDump.size();
     const long count = request.get_optional_param("count", 10L);
@@ -1121,15 +1124,6 @@ InternalServer::search_catalog(const RequestContext& request,
 namespace
 {
 
-ParameterizedMessage suggestSearchMsg(const std::string& searchURL, const std::string& pattern)
-{
-  return ParameterizedMessage("suggest-search",
-                              {
-                                { "PATTERN",    pattern   },
-                                { "SEARCH_URL", searchURL }
-                              });
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // The content security policy below is set on responses to the /content
 // endpoint in order to prevent the ZIM content from interfering with the
@@ -1147,6 +1141,7 @@ const std::string CONTENT_CSP_HEADER =
             "allow-same-origin "
             "allow-modals "
             "allow-popups "
+            "allow-popups-to-escape-sandbox "
             "allow-forms "
             "allow-downloads;";
 
@@ -1183,9 +1178,7 @@ std::unique_ptr<Response> InternalServer::handle_content(const RequestContext& r
   } catch (const std::out_of_range& e) {}
 
   if (archive == nullptr) {
-    const std::string searchURL = m_root + "/search?pattern=" + kiwix::urlEncode(pattern);
-    return UrlNotFoundResponse(request)
-           + suggestSearchMsg(searchURL, kiwix::urlDecode(pattern));
+    return NewHTTP404Response(request, m_root, m_root + url);
   }
 
   const std::string archiveUuid(archive->getUuid());
@@ -1230,9 +1223,7 @@ std::unique_ptr<Response> InternalServer::handle_content(const RequestContext& r
     if (m_verbose.load())
       printf("Failed to find %s\n", urlStr.c_str());
 
-    std::string searchURL = m_root + "/search?content=" + bookName + "&pattern=" + kiwix::urlEncode(pattern);
-    return UrlNotFoundResponse(request)
-           + suggestSearchMsg(searchURL, kiwix::urlDecode(pattern));
+    return NewHTTP404Response(request, m_root, m_root + url);
   }
 }
 

src/server/internalServer.h

@@ -90,6 +90,7 @@ class SearchInfo {
 
 typedef kainjow::mustache::data MustacheData;
 class OPDSDumper;
+class LibraryDumper;
 
 class InternalServer {
   public:
@@ -106,7 +107,9 @@ class InternalServer {
                    bool blockExternalLinks,
                    IpMode ipMode,
                    std::string indexTemplateString,
-                   int ipConnectionLimit);
+                   int ipConnectionLimit,
+                   bool catalogOnlyMode,
+                   std::string zimViewerURL);
     virtual ~InternalServer();
 
     MHD_Result handlerCallback(struct MHD_Connection* connection,
@@ -160,6 +163,8 @@ class InternalServer {
     std::string getLibraryId() const;
 
     std::string getNoJSDownloadPageHTML(const std::string& bookId, const std::string& userLang) const;
+    OPDSDumper getOPDSDumper() const;
+    void setContentAccessUrl(LibraryDumper& libDumper) const;
 
   private: // types
     class LockableSuggestionSearcher;
@@ -192,6 +197,9 @@ class InternalServer {
 
     class CustomizedResources;
     std::unique_ptr<CustomizedResources> m_customizedResources;
+
+    const bool m_catalogOnlyMode;
+    const std::string m_contentServerUrl;
 };
 
 }

src/server/internalServer_catalog.cpp

@@ -51,6 +51,15 @@ const std::string opdsMimeType[] = {
 
 } // unnamed namespace
 
+OPDSDumper InternalServer::getOPDSDumper() const
+{
+  kiwix::OPDSDumper opdsDumper(mp_library.get(), mp_nameMapper.get());
+  opdsDumper.setRootLocation(m_root);
+  opdsDumper.setLibraryId(getLibraryId());
+  setContentAccessUrl(opdsDumper);
+  return opdsDumper;
+}
+
 std::unique_ptr<Response> InternalServer::handle_catalog(const RequestContext& request)
 {
   if (m_verbose.load()) {
@@ -80,9 +89,7 @@ std::unique_ptr<Response> InternalServer::handle_catalog(const RequestContext& r
   }
 
   zim::Uuid uuid;
-  kiwix::OPDSDumper opdsDumper(mp_library.get(), mp_nameMapper.get());
-  opdsDumper.setRootLocation(m_root);
-  opdsDumper.setLibraryId(getLibraryId());
+  kiwix::OPDSDumper opdsDumper = getOPDSDumper();
   std::vector<std::string> bookIdsToDump;
   if (url == "root.xml") {
     uuid = zim::Uuid::generate(host);
@@ -158,9 +165,7 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_root(const RequestCo
 
 std::unique_ptr<Response> InternalServer::handle_catalog_v2_entries(const RequestContext& request, bool partial)
 {
-  OPDSDumper opdsDumper(mp_library.get(), mp_nameMapper.get());
-  opdsDumper.setRootLocation(m_root);
-  opdsDumper.setLibraryId(getLibraryId());
+  kiwix::OPDSDumper opdsDumper = getOPDSDumper();
   const auto bookIds = search_catalog(request, opdsDumper);
   const auto opdsFeed = opdsDumper.dumpOPDSFeedV2(bookIds, request.get_query(), partial);
   return ContentResponse::build(
@@ -177,9 +182,7 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_complete_entry(const
     return UrlNotFoundResponse(request);
   }
 
-  OPDSDumper opdsDumper(mp_library.get(), mp_nameMapper.get());
-  opdsDumper.setRootLocation(m_root);
-  opdsDumper.setLibraryId(getLibraryId());
+  kiwix::OPDSDumper opdsDumper = getOPDSDumper();
   const auto opdsFeed = opdsDumper.dumpOPDSCompleteEntry(entryId);
   return ContentResponse::build(
              opdsFeed,
@@ -189,9 +192,7 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_complete_entry(const
 
 std::unique_ptr<Response> InternalServer::handle_catalog_v2_categories(const RequestContext& request)
 {
-  OPDSDumper opdsDumper(mp_library.get(), mp_nameMapper.get());
-  opdsDumper.setRootLocation(m_root);
-  opdsDumper.setLibraryId(getLibraryId());
+  kiwix::OPDSDumper opdsDumper = getOPDSDumper();
   return ContentResponse::build(
              opdsDumper.categoriesOPDSFeed(),
              opdsMimeType[OPDS_NAVIGATION_FEED]
@@ -200,9 +201,7 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_categories(const Req
 
 std::unique_ptr<Response> InternalServer::handle_catalog_v2_languages(const RequestContext& request)
 {
-  OPDSDumper opdsDumper(mp_library.get(), mp_nameMapper.get());
-  opdsDumper.setRootLocation(m_root);
-  opdsDumper.setLibraryId(getLibraryId());
+  kiwix::OPDSDumper opdsDumper = getOPDSDumper();
   return ContentResponse::build(
              opdsDumper.languagesOPDSFeed(),
              opdsMimeType[OPDS_NAVIGATION_FEED]

src/server/response.cpp

@@ -243,6 +243,23 @@ public:
     };
   }
 
+  static Data fromMsgId(const std::string& nonParameterizedMsgId)
+  {
+    return from(nonParameterizedMessage(nonParameterizedMsgId));
+  }
+
+  static Data staticMultiParagraphText(const std::string& msgIdPrefix, size_t n)
+  {
+    Object paragraphs;
+    for ( size_t i = 1; i <= n; ++i ) {
+      std::ostringstream oss;
+      oss << "p" << i;
+      const std::string pId = oss.str();
+      paragraphs[pId] = fromMsgId(msgIdPrefix + "." + pId);
+    }
+    return paragraphs;
+  }
+
   std::string asJSON() const;
   void dumpJSON(std::ostream& os) const;
 
@@ -368,6 +385,45 @@ std::unique_ptr<ContentResponse> ContentResponseBlueprint::generateResponseObjec
   return r;
 }
 
+NewHTTP404Response::NewHTTP404Response(const RequestContext& request,
+                                       const std::string& root,
+                                       const std::string& urlPath)
+  : ContentResponseBlueprint(&request,
+                             MHD_HTTP_NOT_FOUND,
+                             "text/html; charset=utf-8",
+                             RESOURCE::templates::sexy404_html,
+                             /*includeKiwixResponseData=*/true)
+{
+  *this->m_data = Data(Data::Object{
+                    {"root", root },
+                    {"url_path", urlPath},
+                    {"PAGE_TITLE",   Data::fromMsgId("new-404-page-title")},
+                    {"PAGE_HEADING", Data::fromMsgId("new-404-page-heading")},
+                    {"404_img_text", Data::fromMsgId("404-img-text")},
+                    {"path_was_not_found_msg", Data::fromMsgId("path-was-not-found")},
+                    {"advice", Data::staticMultiParagraphText("404-advice", 5)},
+  });
+}
+
+BlockExternalLinkResponse::BlockExternalLinkResponse(const RequestContext& request,
+                                       const std::string& root,
+                                       const std::string& externalUrl)
+  : ContentResponseBlueprint(&request,
+                             MHD_HTTP_OK,
+                             "text/html; charset=utf-8",
+                             RESOURCE::templates::captured_external_html,
+                             /*includeKiwixResponseData=*/true)
+{
+  *this->m_data = Data(Data::Object{
+                    {"root", root },
+                    {"external_link_detected", Data::fromMsgId("external-link-detected") },
+                    {"url", externalUrl },
+                    {"caution_warning", Data::fromMsgId("caution-warning") },
+                    {"external_link_intro", Data::fromMsgId("external-link-intro") },
+                    {"advice", Data::staticMultiParagraphText("external-link-advice", 3)},
+  });
+}
+
 HTTPErrorResponse::HTTPErrorResponse(const RequestContext& request,
                                      int httpStatusCode,
                                      const std::string& pageTitleMsgId,
@@ -383,8 +439,8 @@ HTTPErrorResponse::HTTPErrorResponse(const RequestContext& request,
   Data::List emptyList;
   *this->m_data = Data(Data::Object{
                     {"CSS_URL", Data::onlyAsNonEmptyValue(cssUrl) },
-                    {"PAGE_TITLE",   Data::from(nonParameterizedMessage(pageTitleMsgId))},
-                    {"PAGE_HEADING", Data::from(nonParameterizedMessage(headingMsgId))},
+                    {"PAGE_TITLE",   Data::fromMsgId(pageTitleMsgId)},
+                    {"PAGE_HEADING", Data::fromMsgId(headingMsgId)},
                     {"details", emptyList}
   });
 }
@@ -435,15 +491,30 @@ HTTP400Response::HTTP400Response(const RequestContext& request)
   *this += ParameterizedMessage("invalid-request", {{"url", requestUrl}});
 }
 
-HTTP500Response::HTTP500Response(const RequestContext& request)
-  : HTTPErrorResponse(request,
-                      MHD_HTTP_INTERNAL_SERVER_ERROR,
-                      "500-page-title",
-                      "500-page-heading",
-                      std::string(),
-                      /*includeKiwixResponseData=*/true)
+HTTP500Response::HTTP500Response(const RequestContext& request,
+                                 const std::string& root,
+                                 const std::string& urlPath,
+                                 const std::string& errorText)
+  : ContentResponseBlueprint(&request,
+                             MHD_HTTP_INTERNAL_SERVER_ERROR,
+                             "text/html; charset=utf-8",
+                             RESOURCE::templates::sexy500_html,
+                             /*includeKiwixResponseData=*/true)
 {
-  *this += nonParameterizedMessage("500-page-text");
+  auto pageParams = Data::Object{
+    {"root", root },
+    {"url_path", urlPath},
+    {"PAGE_TITLE",   Data::fromMsgId("500-page-title")},
+    {"PAGE_HEADING", Data::fromMsgId("500-page-heading")},
+    {"PAGE_TEXT",    Data::fromMsgId("500-page-text")},
+    {"500_img_text", Data::fromMsgId("500-img-text")},
+  };
+
+  if ( !errorText.empty() ) {
+    pageParams["error"] = errorText;
+  }
+
+  *this->m_data = Data(pageParams);
 }
 
 std::unique_ptr<Response> Response::build_416(size_t resourceLength)

src/server/response.h

@@ -145,6 +145,13 @@ protected: //data
   std::unique_ptr<Data> m_data;
 };
 
+struct NewHTTP404Response : ContentResponseBlueprint
+{
+  NewHTTP404Response(const RequestContext& request,
+                     const std::string& root,
+                     const std::string& urlPath);
+};
+
 struct HTTPErrorResponse : ContentResponseBlueprint
 {
   HTTPErrorResponse(const RequestContext& request,
@@ -173,9 +180,12 @@ struct HTTP400Response : HTTPErrorResponse
   explicit HTTP400Response(const RequestContext& request);
 };
 
-struct HTTP500Response : HTTPErrorResponse
+struct HTTP500Response : ContentResponseBlueprint
 {
-  explicit HTTP500Response(const RequestContext& request);
+  HTTP500Response(const RequestContext& request,
+                  const std::string& root,
+                  const std::string& urlPath,
+                  const std::string& error = "");
 };
 
 class ItemResponse : public Response {
@@ -190,6 +200,13 @@ class ItemResponse : public Response {
     std::string m_mimeType;
 };
 
+struct BlockExternalLinkResponse : ContentResponseBlueprint
+{
+  BlockExternalLinkResponse(const RequestContext& request,
+                            const std::string& root,
+                            const std::string& externalUrl);
+};
+
 }
 
 #endif //KIWIXLIB_SERVER_RESPONSE_H

src/spelling_correction.cpp

@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2025 Veloman Yunkan
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU  General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include "spelling_correction.h"
+#include "zim/archive.h"
+
+#include <sstream>
+#include <stdexcept>
+
+#include <xapian.h>
+
+namespace kiwix
+{
+
+namespace
+{
+
+std::vector<std::string> getAllTitles(const zim::Archive& a)
+{
+  std::vector<std::string> result;
+  for (const auto& entry : a.iterByPath() ) {
+     result.push_back(entry.getTitle());
+  }
+  return result;
+}
+
+void createXapianDB(std::string path, const zim::Archive& archive)
+{
+  const int flags = Xapian::DB_BACKEND_GLASS|Xapian::DB_CREATE;
+  const auto tmpDbPath = path + ".tmp";
+  Xapian::WritableDatabase db(tmpDbPath, flags);
+  for (const auto& t : getAllTitles(archive)) {
+    db.add_spelling(t);
+  }
+  db.commit();
+  db.compact(path, Xapian::DBCOMPACT_SINGLE_FILE);
+  db.close();
+  std::filesystem::remove_all(tmpDbPath);
+}
+
+std::string spellingsDBPathForZIMArchive(std::filesystem::path cacheDirPath, const zim::Archive& a)
+{
+  // The version of spellings DB must be updated each time an important change
+  // to the implementation is made that renders using the previous version
+  // impossible or undesirable.
+  const char SPELLINGS_DB_VERSION[] = "0.1";
+
+  std::ostringstream filename;
+  filename << a.getUuid() << ".spellingsdb.v" << SPELLINGS_DB_VERSION;
+  return (cacheDirPath / filename.str()).string();
+}
+
+std::unique_ptr<Xapian::Database> openOrCreateXapianDB(std::filesystem::path cacheDirPath, const zim::Archive& archive)
+{
+  const auto path = spellingsDBPathForZIMArchive(cacheDirPath, archive);
+  try
+  {
+    return std::make_unique<Xapian::Database>(path);
+  }
+  catch (const Xapian::DatabaseOpeningError& )
+  {
+    createXapianDB(path, archive);
+    return std::make_unique<Xapian::Database>(path);
+  }
+}
+
+} // unnamed namespace
+
+SpellingsDB::SpellingsDB(const zim::Archive& archive, std::filesystem::path cacheDirPath)
+  : impl_(openOrCreateXapianDB(cacheDirPath, archive))
+{
+}
+
+SpellingsDB::~SpellingsDB()
+{
+}
+
+std::vector<std::string> SpellingsDB::getSpellingCorrections(const std::string& word, uint32_t maxCount) const
+{
+  if ( maxCount > 1 ) {
+    throw std::runtime_error("More than one spelling correction was requested");
+  }
+
+  std::vector<std::string> result;
+  const auto term = impl_->get_spelling_suggestion(word, 3);
+  if ( !term.empty() ) {
+    result.push_back(term);
+  }
+  return result;
+}
+
+} // namespace kiwix

src/tools/networkTools.cpp

@@ -42,6 +42,7 @@
 #include <arpa/inet.h>
 #include <ifaddrs.h>
 #include <sys/socket.h>
+#include <netinet/in.h>
 #include <net/if.h>
 #include <netdb.h>
 #endif

src/tools/stringTools.h

@@ -66,6 +66,9 @@ std::string ucAll(const std::string& word);
 std::string lcAll(const std::string& word);
 std::string ucFirst(const std::string& word);
 std::string lcFirst(const std::string& word);
+
+/* This function is broken, related Github issue 
+ * https://github.com/kiwix/libkiwix/issues/1188 */ 
 std::string toTitle(const std::string& word);
 
 std::string normalize(const std::string& word);

static/i18n_resources_list.txt

@@ -13,8 +13,10 @@ skin/i18n/fr.json
 skin/i18n/ha.json
 skin/i18n/he.json
 skin/i18n/hi.json
+skin/i18n/hu.json
 skin/i18n/hy.json
 skin/i18n/ia.json
+skin/i18n/id.json
 skin/i18n/ig.json
 skin/i18n/it.json
 skin/i18n/ja.json
@@ -23,11 +25,14 @@ skin/i18n/ku-latn.json
 skin/i18n/lb.json
 skin/i18n/mk.json
 skin/i18n/ms.json
+skin/i18n/nb.json
 skin/i18n/nl.json
 skin/i18n/nqo.json
 skin/i18n/or.json
 skin/i18n/pl.json
 skin/i18n/pt-br.json
+skin/i18n/pt.json
+skin/i18n/ro.json
 skin/i18n/ru.json
 skin/i18n/sc.json
 skin/i18n/sk.json

static/resources_list.txt

@@ -1,6 +1,9 @@
 skin/caret.png
 skin/bittorrent.png
 skin/magnet.png
+skin/404.svg
+skin/500.svg
+skin/blocklink.svg
 skin/feed.svg
 skin/langSelector.svg
 skin/download.png
@@ -11,9 +14,12 @@ skin/iso6391To3.js
 skin/isotope.pkgd.min.js
 skin/index.js
 skin/autoComplete/autoComplete.min.js
+skin/error.css
+skin/print.css
 skin/kiwix.css
 skin/taskbar.css
 skin/index.css
+skin/fonts/DMSans-Regular.ttf
 skin/fonts/Poppins.ttf
 skin/fonts/Roboto.ttf
 skin/search_results.css
@@ -42,6 +48,8 @@ templates/url_of_search_results_css.tmpl
 templates/viewer_settings.js
 templates/no_js_library_page.html
 templates/no_js_download.html
+templates/sexy404.html
+templates/sexy500.html
 opensearchdescription.xml
 ft_opensearchdescription.xml
 catalog_v2_searchdescription.xml

static/skin/autoComplete/css/autoComplete.css

@@ -23,6 +23,9 @@
 
 .autoComplete_wrapper > ul {
   position: absolute;
+  min-width: 100%;
+  width: fit-content;
+  max-width: 600px;
   max-height: 226px;
   overflow-y: scroll;
   top: 100%;
@@ -60,6 +63,11 @@
   transition: all 0.2s ease;
 }
 
+.autoComplete_wrapper > ul > li > a {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
 .autoComplete_wrapper > ul > li::selection {
   color: rgba(#ffffff, 0);
   background-color: rgba(#ffffff, 0);

static/skin/blocklink.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 1742.79 1984.21" xmlns="http://www.w3.org/2000/svg"><ellipse cx="667.97" cy="1872.93" fill="#c7c8ca" rx="649.71" ry="111.28"/><path d="m933.76 1775.81c0-29.5-23.92-53.42-53.42-53.42h-163.28c-24.37 0-45.97-15.91-52.98-39.26l-105.96-347.65 18.1-9.63c251.03-105.38 519.58 82.75 706.54-97.93l1.17-1.17c23.21-21.02 46.27-42.47 114.72.29 73.56 46.12 236 166.53 309.71 372.32 0 0 44.66-15.91 32.25-70.49-12.41-54.73-102.89-212.36-287.96-352.18-33.86-25.69-64.36-47-89.76-64.07 36.93-158.21-155.14-349.11-342.69-259.21-134.57-126.54-284.6-178.2-422.67-176.16-365.6 5.11-647.58 386.04-344.3 749.45l.58.58c4.67 5.55 9.49 11.09 14.3 16.64 19.7 23.64 32.69 44.51 43.93 81.29l90.34 296.57h-31.96c-29.48 0-53.42 23.94-53.42 53.42h121.43l204.04 96.47c12.55-26.71 1.17-58.53-25.4-71.08l-53.56-25.25h153.83c0-29.48-23.94-53.42-53.42-53.42h-139.38c-24.37 0-45.97-15.91-52.98-39.26l-71.66-235.42c-17.81-61.88 23.21-102.31 61.74-107.13 35.17-4.38 52.83 18.39 69.47 73.27l63.63 208.85h-31.96c-29.48 0-53.42 23.94-53.42 53.42h121.43l204.04 96.47c12.55-26.71 1.17-58.53-25.4-71.08l-53.56-25.25h177.88z"/><path d="m545.68 2.53h52.19v1441.85h-52.19z" fill="#f89a16" transform="matrix(.9855856 -.16917749 .16917749 .9855856 -114.16 107.17)"/><path d="m581.21 624.21-55.8-17.21-93.34-544.54 53.51 3.6z" fill="#da7c2b"/><path d="m981.62 279.44c-30.85 1.91-83.72 3.58-83.72 3.58l79.01-31.06-43.25-251.96-933.66 160.24 56.63 330 68.11 13.66s-38.47 19-60.89 28.37l22.52 131.23 933.66-160.24z" fill="#f89a16"/><circle cx="1144.16" cy="1031.93" fill="#fff" r="82.26" transform="matrix(.70710678 -.70710678 .70710678 .70710678 -394.57 1111.29)"/><circle cx="1124.15" cy="1004.52" r="52.63" transform="matrix(.41786707 -.90850818 .90850818 .41786707 -258.21 1606.05)"/><g fill="#fff"><path d="m387.43 559.95-69.59-57.58 107.75-360.2 93.69-15.45 226.75 308.17-45.64 75.04-312.97 50.02zm-11.05-75.33 25.78 21.33 266.91-42.65 15.63-25.7-187.97-255.46-31.41 5.18-88.94 297.31z"/><path d="m526.16 300.48 5.44 89.61-20.72 3.32-28.24-85.96-9.08-47.73 43.52-6.98 9.08 47.73zm18.46 103.04 7.02 36.88-41.43 6.64-7.02-36.88z"/></g></svg>

static/skin/error.css

@@ -0,0 +1,159 @@
+@font-face {
+  font-family:"DM Sans";
+  font-style:  normal;
+  font-weight: 400;
+  src : url('../skin/fonts/DMSans-Regular.ttf?KIWIXCACHEID');
+}
+@font-face {
+  font-family:"DM Sans Bold";
+  font-style:  normal;
+  font-weight: 700;
+  src : url('../skin/fonts/DMSans-Regular.ttf?KIWIXCACHEID');
+}
+
+body {
+  background: linear-gradient(to bottom right, #ffffff, #e6e6e6);
+  background-repeat: no-repeat;
+  background-attachment: fixed;
+}
+
+header {
+  width: 100%;
+  margin: auto;
+  text-align: center;
+
+  margin-top: 15%;
+  margin-bottom: 15%;
+}
+
+header img {
+  width: 60%;
+  min-width: 200px;
+  max-width: 500px;
+  max-height: 300px;
+}
+
+section {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+header, .intro {
+  font-family: "DM Sans";
+}
+
+.intro {
+  font-size: 1em;
+  padding: 0 10%;
+  line-height: 1.2em;
+  text-align: center;
+}
+
+.intro h1 {
+  line-height: 1.1em;
+  font-family: "DM Sans Bold";
+  font-size: 1.2em;
+}
+
+.intro code {
+  font-family: monospace;
+  font-size: 1.1em;
+  word-break: break-all;
+}
+
+.intro a, .intro a:active, .intro a:visited {
+  color: #00b4e4;
+  text-decoration: none;
+  word-break: break-all;
+}
+
+.advice {
+  width: 80%;
+  margin: auto;
+  margin-bottom: 15%;
+  margin-top: 5em;
+
+  background-color: #ffffff;
+  border-radius: 1rem;
+  border: 1px solid #b7b7b7;
+
+  padding: 2em;
+
+  font-family: "DM Sans";
+  font-size: .9em;
+  box-sizing: border-box;
+
+  align-items: normal;
+}
+
+.advice p {
+  margin-bottom: 1em;
+}
+
+.advice p:first-child {
+  margin-top: 0;
+}
+
+.advice p.list-intro {
+  margin: 0;
+}
+
+.advice ul {
+  list-style-type: square;
+  margin: 0;
+  padding: 0 1em;
+}
+
+.advice ul li {
+  line-height: 2em;
+}
+
+.advice p:last-child {
+  margin-bottom: 0;
+}
+
+
+/* sm: 640px+ */
+@media (width >= 40rem) {
+  header {
+    margin-bottom: 1em;
+    margin-top: 5em;
+  }
+
+  header img {
+    width: 50%;
+  }
+
+  .intro h1 {
+    font-size: 2em;
+  }
+
+  .advice {
+    width: 50%;
+  }
+}
+
+/* xl: 1280px+ */
+@media (width >= 80rem) {
+  .intro h1 {
+    font-size: 3.4em;
+  }
+}
+
+/* 2xl: 1536px+ */
+@media (width >= 96rem) {
+  header img {
+    width: 25%;
+    min-width: 200px;
+    max-width: 500px;
+    max-height: 300px;
+  }
+
+  .advice {
+    width: 25%;
+    min-width: 200px;
+    min-width: 300px;
+    max-width: 500px;
+  }
+}

static/skin/i18n.js

@@ -23,7 +23,8 @@ const Translations = {
       return;
 
     const errorMsg = `Error loading translations for language '${lang}': `;
-    this.promises[lang] = fetch(`./skin/i18n/${lang}.json`).then(async (resp) => {
+    const translationJsonUrl = import.meta.resolve(`./i18n/${lang}.json`);
+    this.promises[lang] = fetch(translationJsonUrl).then(async (resp) => {
       if ( resp.ok ) {
         this.data[lang] = JSON.parse(await resp.text());
       } else {
@@ -190,8 +191,40 @@ function initUILanguageSelector(activeLanguage, languageChangeCallback) {
   languageSelector.onchange = languageChangeCallback;
 }
 
+function parseDom(html) {
+  const domParser = new DOMParser();
+  return domParser.parseFromString(html, "text/html").documentElement;
+}
+
+function translatePageInWindow(w) {
+  if ( w.KIWIX_RESPONSE_TEMPLATE && w.KIWIX_RESPONSE_DATA ) {
+    const template = parseDom(w.KIWIX_RESPONSE_TEMPLATE).textContent;
+
+    // w.KIWIX_RESPONSE_DATA may belong to a different context and running
+    // I18n.render() on it directly won't work correctly
+    // because the type checks (obj.__proto__ == ???.prototype) in
+    // I18n.instantiateParameterizedMessages() will fail (String.prototype
+    // refers to different objects in different contexts).
+    // Work arround that issue by copying the object into our context.
+    const params = JSON.parse(JSON.stringify(w.KIWIX_RESPONSE_DATA));
+
+    const newHtml = I18n.render(template, params);
+    w.document.documentElement.innerHTML = parseDom(newHtml).innerHTML;
+  }
+}
+
+function translateSelf() {
+  if ( window.KIWIX_RESPONSE_TEMPLATE && window.KIWIX_RESPONSE_DATA ) {
+    setUserLanguage(getUserLanguage(), () => {
+      translatePageInWindow(window)
+    });
+  }
+};
+
 window.$t = $t;
 window.getUserLanguage = getUserLanguage;
 window.setUserLanguage = setUserLanguage;
 window.initUILanguageSelector = initUILanguageSelector;
+window.translatePageInWindow = translatePageInWindow;
 window.I18n = I18n;
+window.addEventListener('load', translateSelf);

static/skin/i18n/ar.json

@@ -2,6 +2,9 @@
 	"@metadata": {
 		"authors": [
 			"Asma",
+			"Hamoudak",
+			"Meno25",
+			"Mohammed Qays",
 			"Ravan",
 			"محمد أحمد عبد الفتاح"
 		]
@@ -12,7 +15,7 @@
 	"no-book-found": "لا يوجد كتاب يطابق معايير الاختيار",
 	"url-not-found": "لم يتم العثور على عنوان URL المطلوب \"{{url}}\" على هذا الخادم.",
 	"suggest-search": "قم بإجراء بحث عن النص الكامل لـ <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
-	"random-article-failure": "مع الأسف! فشل اختيار مقال عشوائي :(",
+	"random-article-failure": "للأسف ! فشل في اختيار مقال عشوائي  :(",
 	"invalid-raw-data-type": "{{DATATYPE}} ليس طلبًا صالحًا للمحتوى الأولي.",
 	"no-value-for-arg": "لم يتم تقديم قيمة للوسيطة {{ARGUMENT}}",
 	"no-query": "لم يتم تقديم ملخص.",
@@ -21,13 +24,32 @@
 	"400-page-heading": "طلب غير صالح",
 	"404-page-title": "المحتوى غير موجود",
 	"404-page-heading": "لم يتم العثور عليه",
-	"500-page-title": "خطأ في الخادم الداخلي",
-	"500-page-heading": "خطأ في الخادم الداخلي",
-	"fulltext-search-unavailable": "البحث عن النص الكامل غير متاح",
-	"no-search-results": "محرك البحث عن النص الكامل غير متاح لهذا المحتوى.",
-	"library-button-text": "اذهب لصفحة الترحيب",
-	"home-button-text": "انتقل إلى الصفحة الرئيسية لـ \"{{BOOK_TITLE}}\"",
+	"500-page-title": "خطأ داخلي بالخادم",
+	"500-page-heading": "عفواً، الصفحة لا تعمل.",
+	"500-page-text": "لا يمكن إرسال المسار المطلوب بشكل صحيح:",
+	"fulltext-search-unavailable": "البحث في كامل النص غير متاح",
+	"no-search-results": "محرك البحث في كامل النص غير متوفر لهذا المحتوي.",
+	"library-button-text": "توجه إلي صفحة الترحيب",
+	"home-button-text": "انتقل إلى الصفحة الرئيسة لـ '{{{BOOK_TITLE}}}'",
 	"random-page-button-text": "اذهب إلى صفحة عشوائية",
-	"searchbox-tooltip": "بحث \"{{BOOK_TITLE}}\"",
-	"confusion-of-tongues": "قد يشارك في البحث كتابان أو أكثر بلغات مختلفة، مما قد يؤدي إلى نتائج محيرة."
+	"searchbox-tooltip": "ابحث عن '{{{BOOK_TITLE}}}'",
+	"confusion-of-tongues": "قد يشارك في البحث كتابان أو أكثر بلغات مختلفة، مما قد يؤدي إلى نتائج محيرة.",
+	"direct-download-alt-text": "التنزيل مباشرة عبر بروتوكول HTTP(S)",
+	"hash-download-link-text": "المجموع الإختباري لخوارزمية SHA-256",
+	"hash-download-alt-text": "عرض المجموع الإختباري لخوارزمية SHA-256 للملف",
+	"magnet-link-text": "رابط جاذب",
+	"magnet-alt-text": "التنزيل بواسطة الرابط الجاذب",
+	"torrent-download-link-text": "بت تورنت",
+	"torrent-download-alt-text": "التنزيل بواسطة بت تورنت",
+	"unknown-error": "خطأ غير معروف",
+	"book-category.wikibooks": "ويكي الكتب",
+	"book-category.wikinews": "ويكي الأخبار",
+	"book-category.wikipedia": "ويكيبيديا",
+	"book-category.wikiquote": "ويكي الإقتباس",
+	"book-category.wikisource": "ويكي مصدر",
+	"book-category.wikispecies": "ويكي أنواع",
+	"book-category.wikiversity": "ويكي الجامعة",
+	"book-category.wikivoyage": "ويكي الرحلات",
+	"book-category.wiktionary": "ويكي القاموس",
+	"book-category.other": "أخرى {كتب أخري}"
 }

static/skin/i18n/bn.json

@@ -1,13 +1,24 @@
 {
 	"@metadata": {
 		"authors": [
+			"Nokib Sarkar",
 			"আফতাবুজ্জামান"
 		]
 	},
 	"name": "বাংলা",
 	"404-page-heading": "পাওয়া যায়নি",
+	"new-404-page-title": "পাতা পাওয়া যায়নি",
+	"new-404-page-heading": "ওহ! পাতা খুঁজে পাওয়া যায়নি",
+	"404-img-text": "পাওয়া যায়নি!",
+	"path-was-not-found": "অনুরোধ করা পথটি পাওয়া যায়নি:",
+	"404-advice.p1": "আপনি যে বিষয়বস্তু খুঁজছেন তা এখনও উপলব্ধ থাকতে পারে, তবে এটি জিম ফাইলের মধ্যে অন্য কোনও জায়গায় অবস্থিত হতে পারে।",
+	"404-advice.p4": "আপনি যে তথ্য খুঁজছেন তার সাথে সম্পর্কিত কীওয়ার্ড বা শিরোনাম খুঁজুন।",
 	"500-page-title": "অভ্যন্তরীণ সার্ভার ত্রুটি",
 	"500-page-heading": "অভ্যন্তরীণ সার্ভার ত্রুটি",
+	"external-link-intro": "আপনি অনলাইনে যাওয়ার জন্য কিউইক্সের জিম রিডার ছেড়ে দিতে চলেছেন",
+	"external-link-advice.p1": "আপনি যে লিঙ্কটিতে প্রবেশ করার চেষ্টা করছেন তা আপনার অফলাইন প্যাকেজের অংশ নয় এবং এর জন্য ইন্টারনেট সংযোগ প্রয়োজন।",
+	"external-link-advice.p2": "আপনি যদি অনলাইনে যেতে পারেন, তাহলে লিঙ্কটি খোলার চেষ্টা করতে পারেন।",
+	"external-link-advice.p3": "অন্যথায়, আপনি আপনার ব্রাউজারের পিছন বোতাম ব্যবহার করে আপনার ZIM-এর অফলাইন বিষয়বস্তুতে ফিরে যেতে পারেন।",
 	"search-result-book-info": "{{BOOK_TITLE}} থেকে",
 	"word-count": "{{COUNT}}টি শব্দ",
 	"library-button-text": "স্বাগত পাতায় চলুন",

static/skin/i18n/de.json

@@ -1,9 +1,11 @@
 {
 	"@metadata": {
 		"authors": [
+			"AnnaTheProgrammer777",
 			"IMayBeABitShy",
 			"Justman10000",
 			"Lucas Werkmeister",
+			"MoritzMT20",
 			"Rofiatmustapha12",
 			"ThisCarthing"
 		]
@@ -36,9 +38,9 @@
 	"search-result-book-info": "von {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} Wörter",
 	"library-button-text": "Zur Willkommensseite gehen",
-	"home-button-text": "Zur Hauptseite von '{{BOOK_TITLE}}' gehen",
+	"home-button-text": "Zur Hauptseite von '{{{BOOK_TITLE}}}' gehen",
 	"random-page-button-text": "Zu einer zufällig ausgewählten Seite gehen",
-	"searchbox-tooltip": "Nach '{{BOOK_TITLE}}' suchen",
+	"searchbox-tooltip": "'{{{BOOK_TITLE}}}' durchsuchen",
 	"confusion-of-tongues": "Zwei oder mehr Bücher unterschiedlicher Sprachen werden durchsucht, was zu unübersichtlichen Ergebnissen führen kann.",
 	"welcome-page-overzealous-filter": "Keine Ergebnisse gefunden. Möchten Sie den <a href=\"{{URL}}\">Filter zurücksetzen</a>?",
 	"powered-by-kiwix-html": "Angetrieben durch &nbsp;<a href=\"https://kiwix.org\">Kiwix</a>",
@@ -56,12 +58,22 @@
 	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "Herunterladen über BitTorrent",
 	"library-opds-feed-all-entries": "ODPS Feed der Bibliothek - Alle Einträge",
-	"filter-by-tag": "Nach Tag \"{{TAG}}\" filtern",
-	"stop-filtering-by-tag": "Filterung nach Tag \"{{TAG}}\" aufheben",
+	"filter-by-tag": "Nach Tag \"{{{TAG}}}\" filtern",
+	"stop-filtering-by-tag": "Filterung nach Tag \"{{{TAG}}}\" aufheben",
 	"library-opds-feed-parameterised": "ODPS Feed der Bibliothek - Einträge mit {{#LANG}\nSprache {{LANG}} {{/LANG}}{{#CATEGORY}}\nKategorie: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nTag: {{TAG}}{{/TAG}}{{#Q}}\nQuery: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Wilkommen beim Kiwix Server",
 	"download-links-heading": "Download Links für <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Buch herunterladen",
 	"preview-book": "Vorschau",
-	"unknown-error": "Unbekannter Fehler"
+	"unknown-error": "Unbekannter Fehler",
+	"book-category.wikibooks": "Wikibooks",
+	"book-category.wikinews": "Wikinews",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikispecies",
+	"book-category.wikiversity": "Wikiversity",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "Wiktionary",
+	"book-category.other": "Andere"
 }

static/skin/i18n/dga.json

@@ -1,8 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
-			"Alhaji Yakubu",
-			"Amire80"
+			"Alhaji Yakubu"
 		]
 	},
 	"welcome-page-overzealous-filter": "Duoro kyebe. <a href=\"{{URL}}\">E na boɔra ka fo</a>?",

static/skin/i18n/el.json

@@ -1,13 +1,18 @@
 {
 	"@metadata": {
 		"authors": [
+			"Jimkats",
 			"Kelson",
 			"Norhorn",
 			"Ανώνυμος Βικιπαιδιστής"
 		]
 	},
 	"name": "Αγγλικά",
+	"suggest-full-text-search": "περιέχει '{{{SEARCH_TERMS}}}'...",
 	"no-such-book": "Δεν υπάρχει τέτοιο βιβλίο: {{BOOK_NAME}}",
+	"caution-warning": "Προσοχή!",
+	"search-result-book-info": "από {{BOOK_TITLE}}",
+	"word-count": "{{COUNT}} λέξεις",
 	"welcome-page-overzealous-filter": "Κανένα αποτέλεσμα. Θέλετε να <a href=\"{{URL}}\">επαναφέρετε το φίλτρο</a>;",
 	"powered-by-kiwix-html": "Με την υποστήριξη by&nbsp;<a href=\"https://kiwix.org\">Kiwix</a>",
 	"search": "Αναζήτηση",
@@ -19,10 +24,10 @@
 	"direct-download-alt-text": "άμεση λήψη",
 	"hash-download-alt-text": "λήψη αναγνωριστικού",
 	"magnet-alt-text": "λήψη μαγνήτη",
-	"torrent-download-link-text": "Αρχείο torrent",
-	"torrent-download-alt-text": "λήψη torrent",
-	"filter-by-tag": "Φίλτρο ανά ετικέτα \"{{TAG}}\"",
-	"stop-filtering-by-tag": "Διακοπή φίλτρου ανά ετικέτα \"{{TAG}}\"",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "Λήψη μέσω BitTorrent",
+	"filter-by-tag": "Φιλτράρισμα κατά ετικέτα \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Διακοπή φιλτραρίσματος κατά ετικέτα \"{{{TAG}}}\"",
 	"welcome-to-kiwix-server": "Καλώς ορίσατε στον διακομιστή Kiwix",
 	"download-links-heading": "Λήψη συνδέσμων για <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Κατεβάστε το βιβλίο",

static/skin/i18n/en.json

@@ -20,9 +20,25 @@
 	, "400-page-heading" : "Invalid request"
 	, "404-page-title" : "Content not found"
 	, "404-page-heading" : "Not Found"
+	, "new-404-page-title" : "Page not found"
+	, "new-404-page-heading" : "Oops. Page not found."
+	, "404-img-text": "Not found!"
+	, "path-was-not-found": "The requested path was not found:"
+	, "404-advice.p1": "The content you're looking for may still be available, but it might be located at a different place within the ZIM file."
+	, "404-advice.p2": "Please:"
+	, "404-advice.p3": "Try using the search function to find the content you want"
+	, "404-advice.p4": "Look for keywords or titles related to the information you're seeking"
+	, "404-advice.p5": "This approach should help you locate the desired content, even if the original link isn't working properly."
 	, "500-page-title" : "Internal Server Error"
-	, "500-page-heading" : "Internal Server Error"
-	, "500-page-text": "An internal server error occured. We are sorry about that :/"
+	, "500-page-heading" : "Oops. Page isn't working."
+	, "500-page-text": "The requested path cannot be properly delivered:"
+	, "500-img-text": "Page isn't working"
+	, "external-link-detected" : "External Link Detected"
+	, "caution-warning" : "Caution!"
+	, "external-link-intro" : "You are about to leave Kiwix's ZIM reader to go online to"
+	, "external-link-advice.p1": "The link you're trying to access is not part of your offline package and requires an internet connection."
+	, "external-link-advice.p2": "If you can go online, you can attempt to open the link."
+	, "external-link-advice.p3": "You can otherwise return to your ZIM's offline content by using your browser's back button."
 	, "fulltext-search-unavailable" : "Fulltext search unavailable"
 	, "no-search-results": "The fulltext search engine is not available for this content."
 	, "search-results-page-title": "Search: {{SEARCH_PATTERN}}"
@@ -31,9 +47,9 @@
 	, "search-result-book-info": "from {{BOOK_TITLE}}"
 	, "word-count": "{{COUNT}} words"
 	, "library-button-text": "Go to welcome page"
-	, "home-button-text": "Go to the main page of '{{BOOK_TITLE}}'"
+	, "home-button-text": "Go to the main page of '{{{BOOK_TITLE}}}'"
 	, "random-page-button-text": "Go to a randomly selected page"
-	, "searchbox-tooltip": "Search '{{BOOK_TITLE}}'"
+	, "searchbox-tooltip": "Search '{{{BOOK_TITLE}}}'"
 	, "confusion-of-tongues": "Two or more books in different languages would participate in search, which may lead to confusing results."
 	, "welcome-page-overzealous-filter": "No result. Would you like to <a href=\"{{URL}}\">reset filter</a>?"
 	, "powered-by-kiwix-html": "Powered by&nbsp;<a href=\"https://kiwix.org\">Kiwix</a>"
@@ -78,4 +94,5 @@
 	, "book-category.wikivoyage": "Wikivoyage"
 	, "book-category.wiktionary": "Wiktionary"
 	, "book-category.other": "Other"
+	, "text-loading-content": "Loading Content"
 }

static/skin/i18n/es.json

@@ -3,20 +3,23 @@
 		"authors": [
 			"AlexanderFF",
 			"Fitoschido",
+			"Laranxa",
 			"Ovruni",
+			"Sinopsistrans",
 			"SpikeShroom",
 			"Vis4valentine"
 		]
 	},
-	"name": "español",
+	"name": "Español",
 	"suggest-full-text-search": "que contenga \"{{{SEARCH_TERMS}}}\"...",
 	"no-such-book": "No existe el libro: {{BOOK_NAME}}",
 	"too-many-books": "Demasiadas solicitudes de libros ({{NB_BOOKS}}) donde el límite es {{LIMIT}}",
-	"no-book-found": "Ningún libro coincide con los criterios de selección.",
+	"no-book-found": "Ningún libro coincide con los criterios de selección",
 	"url-not-found": "La URL solicitada \"{{url}}\" no se encontró en este servidor.",
 	"suggest-search": "Haga una búsqueda de texto completo para <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
 	"random-article-failure": "¡Ups! Error al elegir un artículo aleatorio :(",
 	"invalid-raw-data-type": "{{DATATYPE}} no es una solicitud válida de contenido en crudo.",
+	"invalid-request": "La URL solicitada \"{{{url}}}\" no es una solicitud válida.",
 	"no-value-for-arg": "No se ha proporcionado ningún valor para el argumento {{ARGUMENT}}",
 	"no-query": "No se ha proporcionado ninguna consulta.",
 	"raw-entry-not-found": "No se puede encontrar la entrada {{DATATYPE}} {{ENTRY}}",
@@ -24,14 +27,36 @@
 	"400-page-heading": "Solicitud inválida",
 	"404-page-title": "Contenido no encontrado",
 	"404-page-heading": "No encontrado",
+	"new-404-page-title": "Página no encontrada",
+	"new-404-page-heading": "Ups. Página no encontrado.",
+	"404-img-text": "¡No encontrado!",
+	"path-was-not-found": "La pagina solicitada no se ha encontrado:",
+	"404-advice.p1": "El contenido que está buscando podría estar disponible pero podría estar localizado en un lugar diferente dentro del archivo ZIM.",
+	"404-advice.p2": "Por favor:",
+	"404-advice.p3": "Intente usar la función de búsqueda para encontrar el contenido que desea",
+	"404-advice.p4": "Mire por palabras clave o títulos relacionados a la información que está buscando",
+	"404-advice.p5": "Este método debería ayudarle a localizar el contenido deseado incluso si el enlace original no funciona correctamente.",
 	"500-page-title": "Error interno del servidor",
-	"500-page-heading": "Error interno del servidor",
+	"500-page-heading": "Ups. La página no funciona.",
+	"500-page-text": "La pagina solicitada no se puede cargar correctamente:",
+	"500-img-text": "La página no está funcionando",
+	"external-link-detected": "Enlace externo detectado",
+	"caution-warning": "¡Precaución!",
+	"external-link-intro": "Usted está apunto de abandonar el lector ZIM de Kiwix para ir a",
+	"external-link-advice.p1": "El enlace al que está tratando de acceder no es parte de su descarga sin conexión y requiere de conexión a internet.",
+	"external-link-advice.p2": "Si usted puede conectarse en linea puede intentar abrir el enlace.",
+	"external-link-advice.p3": "De lo contrario, puede volver al contenido sin conexión de su ZIM utilizando el botón atrás del navegador.",
 	"fulltext-search-unavailable": "Búsqueda de texto completo no disponible",
 	"no-search-results": "El motor de búsqueda de texto completo no está disponible para este contenido.",
+	"search-results-page-title": "Buscar: {{SEARCH_PATTERN}}",
+	"search-results-page-header": "Resultados <b>{{START}}-{{END}}</b> de <b>{{COUNT}}</b> para <b>\"{{{SEARCH_PATTERN}}}\"</b>",
+	"empty-search-results-page-header": "No se encontraron resultados para <b>\"{{{SEARCH_PATTERN}}}\"</b>",
+	"search-result-book-info": "a partir de {{BOOK_TITLE}}",
+	"word-count": "{{COUNT}} palabras",
 	"library-button-text": "Ir a la página de bienvenida",
-	"home-button-text": "Ir a la página principal de '{{BOOK_TITLE}}'",
+	"home-button-text": "Ir a la página principal de '{{{BOOK_TITLE}}}'",
 	"random-page-button-text": "Ir a una página seleccionada al azar",
-	"searchbox-tooltip": "Buscar '{{BOOK_TITLE}}'",
+	"searchbox-tooltip": "Buscar '{{{BOOK_TITLE}}}'",
 	"confusion-of-tongues": "Dos o más libros en diferentes idiomas participarían en la búsqueda, lo que puede llevar a resultados confusos.",
 	"welcome-page-overzealous-filter": "Sin resultados. ¿Quieres <a href=\"{{URL}}\">restablecer el filtro</a> ?",
 	"powered-by-kiwix-html": "Desarrollado por&nbsp;<a href=\"https://kiwix.org\">Kiwix</a>",
@@ -41,19 +66,39 @@
 	"count-of-matching-books": "{{COUNT}} libro(s)",
 	"download": "Descargar",
 	"direct-download-link-text": "Directamente",
-	"direct-download-alt-text": "descarga directa",
-	"hash-download-link-text": "hash sha256",
-	"hash-download-alt-text": "descargar hash",
+	"direct-download-alt-text": "Descargar directamente vía HTTP(S)",
+	"hash-download-link-text": "Suma de verificación SHA-256",
+	"hash-download-alt-text": "Mostrar la suma de verificación de archivos SHA-256",
 	"magnet-link-text": "Enlace magnético",
-	"magnet-alt-text": "Descargar link magnético",
+	"magnet-alt-text": "Descargar mediante enlace Magnet",
 	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "Descargar a través de BitTorrent",
-	"filter-by-tag": "Filtrar por etiqueta \"{{TAG}}\"",
-	"stop-filtering-by-tag": "Dejar de filtrar por etiqueta \"{{TAG}}\"",
+	"library-opds-feed-all-entries": "Biblioteca OPDS Feed - Todas las entradas",
+	"filter-by-tag": "Filtrar por etiqueta \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Dejar de filtrar por etiqueta \"{{{TAG}}}\"",
 	"library-opds-feed-parameterised": "Feed OPDS de la biblioteca: entradas que coinciden con {{#LANG}}\nLanguage: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategory: {{CATEGORY}} {{/CATEGORY}} {{#TAG}}\nEtiqueta: {{TAG}} {{/TAG}}{{#Q}}\nConsulta: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Bienvenido al servidor Kiwix",
 	"download-links-heading": "Enlaces de descarga para <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Descargar libro",
 	"preview-book": "Previsualizar",
-	"unknown-error": "Error desconocido"
+	"unknown-error": "Error desconocido",
+	"book-category.gutenberg": "Gutenberg",
+	"book-category.iFixit": "iFixit",
+	"book-category.mooc": "MOOC",
+	"book-category.phet": "Phet",
+	"book-category.stack_exchange": "Stack Exchange",
+	"book-category.ted": "Ted",
+	"book-category.vikidia": "Vikidia",
+	"book-category.wikibooks": "Wikilibros",
+	"book-category.wikihow": "wikiHow",
+	"book-category.wikinews": "Wikinoticias",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikiespecies",
+	"book-category.wikiversity": "Wikiversidad",
+	"book-category.wikivoyage": "Wikiviajes",
+	"book-category.wiktionary": "Wikcionario",
+	"book-category.other": "Otros",
+	"text-loading-content": "Cargando contenido"
 }

static/skin/i18n/fi.json

@@ -3,7 +3,8 @@
 		"authors": [
 			"MITO",
 			"Nike",
-			"Pyscowicz"
+			"Pyscowicz",
+			"Samoasambia"
 		]
 	},
 	"name": "suomi",
@@ -14,13 +15,22 @@
 	"400-page-heading": "Virheellinen pyyntö",
 	"404-page-title": "Sisältöä ei löytynyt",
 	"404-page-heading": "Ei löytynyt",
+	"new-404-page-title": "Sivua ei löytynyt",
+	"new-404-page-heading": "Hupsista. Artikkelia ei löytynyt.",
+	"404-img-text": "Ei löytynyt!",
+	"path-was-not-found": "Pyydettyä polkua ei löytynyt:",
 	"500-page-title": "Sisäinen palvelinvirhe",
-	"500-page-heading": "Sisäinen palvelinvirhe",
+	"500-page-heading": "Hupsista. Sivu ei toimi.",
+	"500-img-text": "Sivu ei toimi",
+	"external-link-detected": "Ulkoinen linkki havaittu",
+	"caution-warning": "Huomio!",
+	"external-link-intro": "Olet poistumassa Kiwixin ZIM-lukijasta siirtyäksesi verkkoon",
+	"search-results-page-title": "Haku: {{SEARCH_PATTERN}}",
 	"word-count": "{{COUNT}} sanaa",
 	"library-button-text": "Siirry tervetulosivulle",
-	"home-button-text": "Siirry kirjan '{{BOOK_TITLE}}' etusivulle",
+	"home-button-text": "Siirry kirjan '{{{BOOK_TITLE}}}' etusivulle",
 	"random-page-button-text": "Siirry satunnaiselle sivulle",
-	"searchbox-tooltip": "Hae '{{BOOK_TITLE}}'",
+	"searchbox-tooltip": "Hae kirjasta '{{{BOOK_TITLE}}}'",
 	"search": "Hae",
 	"book-filtering-all-categories": "Kaikki luokat",
 	"book-filtering-all-languages": "Kaikki kielet",
@@ -28,10 +38,21 @@
 	"download": "Lataa",
 	"magnet-link-text": "Magnet-linkki",
 	"magnet-alt-text": "lataa magnet",
-	"torrent-download-link-text": "Torrent-tiedosto",
+	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "lataa torrent-tiedosto",
 	"filter-by-tag": "Suodata tunnisteen ”{{TAG}}” mukaan",
 	"download-links-title": "Lataa kirja",
 	"preview-book": "Esikatsele",
-	"unknown-error": "Tuntematon virhe"
+	"unknown-error": "Tuntematon virhe",
+	"book-category.wikibooks": "Wikikirjasto",
+	"book-category.wikinews": "Wikiuutiset",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikisitaatit",
+	"book-category.wikisource": "Wikiaineisto",
+	"book-category.wikispecies": "Wikispecies",
+	"book-category.wikiversity": "Wikiopisto",
+	"book-category.wikivoyage": "Wikimatkat",
+	"book-category.wiktionary": "Wikisanakirja",
+	"book-category.other": "Muu",
+	"text-loading-content": "Ladataan sisältöä"
 }

static/skin/i18n/fr.json

@@ -3,6 +3,7 @@
 		"authors": [
 			"Adriendelucca",
 			"Benoit74",
+			"Derugon",
 			"Gomoko",
 			"Goombiis",
 			"Melimeli",
@@ -31,9 +32,25 @@
 	"400-page-heading": "Requête non valide",
 	"404-page-title": "Contenu non trouvé",
 	"404-page-heading": "Non trouvé",
+	"new-404-page-title": "Page non trouvée",
+	"new-404-page-heading": "Oups. Page non trouvée.",
+	"404-img-text": "Non trouvée !",
+	"path-was-not-found": "Le chemin demandé n’a pas été trouvé :",
+	"404-advice.p1": "Le contenu que vous recherchez peut toujours être disponible, mais il peut être positionné à un endroit différent dans le fichier ZIM.",
+	"404-advice.p2": "Veuillez :",
+	"404-advice.p3": "Essayer d’utiliser la fonction de recherche pour trouver le contenu que vous souhaitez",
+	"404-advice.p4": "Rechercher des mots-clés ou des titres liés aux informations que vous recherchez",
+	"404-advice.p5": "Cette approche devrait vous aider à localiser le contenu souhaité, même si le lien d’origine ne fonctionne pas correctement.",
 	"500-page-title": "Erreur interne du serveur",
-	"500-page-heading": "Erreur interne du serveur",
-	"500-page-text": "Une erreur de serveur interne s'est produite. Nous en sommes désolés :/",
+	"500-page-heading": "Oups, la page ne fonctionne pas.",
+	"500-page-text": "Le chemin demandé ne peut pas être fourni correctement :",
+	"500-img-text": "La page ne fonctionne pas",
+	"external-link-detected": "Lien externe détecté",
+	"caution-warning": "Attention !",
+	"external-link-intro": "Vous êtes sur le point de quitter le lecteur ZIM de Kiwix pour vous connecter à",
+	"external-link-advice.p1": "Le lien que vous essayez de suivre ne fait pas partie de votre forfait hors ligne et nécessite une connexion Internet.",
+	"external-link-advice.p2": "Si vous pouvez vous connecter en ligne, vous pouvez essayer d’ouvrir le lien.",
+	"external-link-advice.p3": "Vous pouvez également revenir au contenu hors ligne de votre ZIM en utilisant le bouton Retour de votre navigateur.",
 	"fulltext-search-unavailable": "Recherche en texte intégral non disponible",
 	"no-search-results": "Le moteur de recherche en texte intégral n’est pas disponible pour ce contenu.",
 	"search-results-page-title": "Rechercher : {{SEARCH_PATTERN}}",
@@ -42,9 +59,9 @@
 	"search-result-book-info": "à partir de {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} mots",
 	"library-button-text": "Aller à la page de bienvenue",
-	"home-button-text": "Aller à la page principale de « {{BOOK_TITLE}} »",
+	"home-button-text": "Aller à la page principale de « {{{BOOK_TITLE}}} »",
 	"random-page-button-text": "Aller à une page sélectionnée aléatoirement",
-	"searchbox-tooltip": "Rechercher « {{BOOK_TITLE}} »",
+	"searchbox-tooltip": "Rechercher « {{{BOOK_TITLE}}} »",
 	"confusion-of-tongues": "Deux livres ou plus dans des langues différentes participeraient à la recherche, ce qui pourrait conduire à des résultats confus.",
 	"welcome-page-overzealous-filter": "Aucun résultat. Souhaitez-vous <a href=\"{{URL}}\">réinitialiser le filtre</a> ?",
 	"powered-by-kiwix-html": "Propulsé par <a href=\"https://kiwix.org/\">Kiwix</a>",
@@ -79,5 +96,6 @@
 	"book-category.wikiversity": "Wikiversité",
 	"book-category.wikivoyage": "Wikivoyage",
 	"book-category.wiktionary": "Wiktionnaire",
-	"book-category.other": "Autre"
+	"book-category.other": "Autre",
+	"text-loading-content": "Chargement du contenu"
 }

static/skin/i18n/he.json

@@ -22,9 +22,19 @@
 	"400-page-heading": "בקשה בלתי־תקינה",
 	"404-page-title": "התוכן לא נמצא",
 	"404-page-heading": "לא נמצא",
+	"new-404-page-title": "הדף לא נמצא",
+	"new-404-page-heading": "אופס. הדף לא נמצא.",
+	"404-img-text": "לא נמצא!",
+	"path-was-not-found": "הנתיב המבוקש לא נמצא:",
+	"404-advice.p2": "בבקשה:",
+	"404-advice.p3": "לנסות להשתמש ביכולת החיפוש כדי למצוא את התוכן המבוקש",
 	"500-page-title": "שגיאת שרת פנימית",
-	"500-page-heading": "שגיאת שרת פנימית",
-	"500-page-text": "אירעה שגיאת שרת פנימית. אנחנו מצטערים על זה :/",
+	"500-page-heading": "אופס. הדף לא עובד.",
+	"500-page-text": "אי אפשר למסור את הנתיב המבוקש כראוי:",
+	"500-img-text": "הדף לא עובד",
+	"external-link-detected": "התגלה קישור חיצוני",
+	"caution-warning": "זהירות!",
+	"external-link-advice.p2": "אם יש לך איך להתחבר לאינטרנט, אפשר לנסות לפתוח את הקישור.",
 	"fulltext-search-unavailable": "חיפוש בטקסט מלא אינו זמין",
 	"no-search-results": "מנוע החיפוש בטקסט מלא אינו זמין עבור התוכן הזה.",
 	"search-results-page-title": "חיפוש: {{SEARCH_PATTERN}}",
@@ -33,9 +43,9 @@
 	"search-result-book-info": "מתוך {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} מילים",
 	"library-button-text": "מעבר לדף הבית \"ברוך בואך\"",
-	"home-button-text": "מעבר לדף הראשי של \"{{BOOK_TITLE}}\"",
+	"home-button-text": "מעבר לדף הראשי של ‚{{{BOOK_TITLE}}}’",
 	"random-page-button-text": "מעבר לדף שנבחר אקראית",
-	"searchbox-tooltip": "חיפוש \"{{BOOK_TITLE}}\"",
+	"searchbox-tooltip": "חיפוש אחר ‚{{{BOOK_TITLE}}}’",
 	"confusion-of-tongues": "שני ספרים או יותר בשפות שונות ישתתפו בחיפוש, מה שעלול להוביל לתוצאות מבלבלות.",
 	"welcome-page-overzealous-filter": "אין תוצאות. האם <a href=\"{{URL}}\">לאפס את המסנן</a>?",
 	"powered-by-kiwix-html": "מופעל על־ידי&nbsp;<a href=\"https://kiwix.org\">Kiwix</a>",
@@ -72,5 +82,6 @@
 	"book-category.wikiversity": "ויקיברסיטה",
 	"book-category.wikivoyage": "ויקימסע",
 	"book-category.wiktionary": "ויקימילון",
-	"book-category.other": "אחר"
+	"book-category.other": "אחר",
+	"text-loading-content": "התוכן נטען"
 }

static/skin/i18n/hu.json

@@ -0,0 +1,39 @@
+{
+	"@metadata": {
+		"authors": [
+			"Eukarióta",
+			"Urbalazs"
+		]
+	},
+	"name": "Magyar",
+	"400-page-title": "Érvénytelen kérés",
+	"400-page-heading": "Érvénytelen kérés",
+	"404-page-title": "A tartalom nem található",
+	"404-page-heading": "Nem található",
+	"new-404-page-title": "Az oldal nem található",
+	"new-404-page-heading": "Hoppá! Az oldal nem található.",
+	"404-img-text": "Nem található!",
+	"path-was-not-found": "A kért útvonal nem található:",
+	"404-advice.p1": "A keresett tartalom továbbra is elérhető lehet, de előfordulhat, hogy más helyen található a ZIM-fájlon belül.",
+	"search": "Keresés",
+	"download": "Letöltés",
+	"hash-download-link-text": "SHA-256 ellenőrzőösszeg",
+	"hash-download-alt-text": "SHA-256 fájl-ellenőrzőösszeg megjelenítése",
+	"torrent-download-link-text": "BitTorrent",
+	"welcome-to-kiwix-server": "Üdvözli a Kiwix-kiszolgáló!",
+	"download-links-heading": "Letöltési hivatkozások ehhez: <b><i>{{BOOK_TITLE}}</i></b>",
+	"download-links-title": "Könyv letöltése",
+	"preview-book": "Előnézet",
+	"unknown-error": "Ismeretlen hiba",
+	"book-category.wikibooks": "Wikikönyvek",
+	"book-category.wikinews": "Wikihírek",
+	"book-category.wikipedia": "Wikipédia",
+	"book-category.wikiquote": "Wikidézet",
+	"book-category.wikisource": "Wikiforrás",
+	"book-category.wikispecies": "Wikifajok",
+	"book-category.wikiversity": "Wikiegyetem",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "Wikiszótár",
+	"book-category.other": "Egyéb",
+	"text-loading-content": "Tartalom betöltése"
+}

static/skin/i18n/hy.json

@@ -13,6 +13,7 @@
 	"400-page-heading": "Անվավեր հարցում",
 	"404-page-title": "Սխալ հասցե",
 	"404-page-heading": "Սխալ հասցե",
+	"500-img-text": "Էջը չի աշխատում",
 	"library-button-text": "Գրադարանի էջ",
 	"home-button-text": "Դեպի '{{BOOK_TITLE}}'֊ի գլխավոր էջը",
 	"random-page-button-text": "Բացել պատահական էջ",

static/skin/i18n/ia.json

@@ -13,7 +13,7 @@
 	"url-not-found": "Le URL reuqestate \"{{url}}\" non ha essite trovate sur iste servitor.",
 	"suggest-search": "Facer un recerca in texto complete de <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
 	"random-article-failure": "Ups! Non poteva eliger un articulo aleatori :(",
-	"invalid-raw-data-type": "{{DATATYPE}} non es un request valide pro contento crude.",
+	"invalid-raw-data-type": "{{DATATYPE}} non es un requesta valide pro contento brute.",
 	"invalid-request": "Le URL requestate “{{{url}}}” non es un requesta valide.",
 	"no-value-for-arg": "Necun valor fornite pro le argumento {{ARGUMENT}}",
 	"no-query": "Necun consulta fornite.",
@@ -22,9 +22,25 @@
 	"400-page-heading": "Requesta invalide",
 	"404-page-title": "Contento non trovate",
 	"404-page-heading": "Non trovate",
+	"new-404-page-title": "Pagina non trovate",
+	"new-404-page-heading": "Pagina non trovate.",
+	"404-img-text": "Non trovate!",
+	"path-was-not-found": "Le percurso requestate non ha essite trovate:",
+	"404-advice.p1": "Le contento que tu cerca pote esser ancora disponibile, ma illo pote esser situate alterubi in le file ZIM.",
+	"404-advice.p2": "Per favor:",
+	"404-advice.p3": "Tenta usar le function de recerca pro trovar le contento desirate",
+	"404-advice.p4": "Cerca parolas-clave o titulos associate al information que tu cerca",
+	"404-advice.p5": "Iste approche deberea adjutar te a localisar le contento desirate, mesmo si le ligamine original non functiona correctemente.",
 	"500-page-title": "Error interne del servitor",
-	"500-page-heading": "Error interne del servitor",
-	"500-page-text": "Un error interne del servitor ha occurrite. Nos lo regretta :/",
+	"500-page-heading": "Le pagina non functiona.",
+	"500-page-text": "Le percurso requestate non pote esser livrate correctemente:",
+	"500-img-text": "Le pagina non functiona",
+	"external-link-detected": "Ligamine externe detegite",
+	"caution-warning": "Attention!",
+	"external-link-intro": "Tu es sur le puncto de quitar le lector ZIM de Kiwix pro connecter te al rete e visitar",
+	"external-link-advice.p1": "Le ligamine al qual tu tenta acceder non face parte de nostre pacchetto de uso foras de linea e require un connexion a internet.",
+	"external-link-advice.p2": "Si tu pote connecter te al rete, tu pote tentar aperir le ligamine.",
+	"external-link-advice.p3": "Si non, tu pote retornar al contento de uso foras de linea de tu ZIM usante le button Retro del navigator.",
 	"fulltext-search-unavailable": "Le recerca in texto complete es indisponibile",
 	"no-search-results": "Le motor de recerca in texto complete non es disponibile pro iste contento.",
 	"search-results-page-title": "Cercar: {{SEARCH_PATTERN}}",
@@ -33,9 +49,9 @@
 	"search-result-book-info": "de {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} parolas",
 	"library-button-text": "Ir al pagina de benvenita",
-	"home-button-text": "Ir al pagina principal de ''{{BOOK_TITLE}}",
+	"home-button-text": "Ir al pagina principal de ‘{{{BOOK_TITLE}}}’",
 	"random-page-button-text": "Ir a un pagina seligite aleatorimente",
-	"searchbox-tooltip": "Cercar '{{BOOK_TITLE}}'",
+	"searchbox-tooltip": "Cercar in ‘{{{BOOK_TITLE}}}’",
 	"confusion-of-tongues": "Duo o plus libros in differente linguas participarea in le recerca, lo que pote menar a resultatos confuse.",
 	"welcome-page-overzealous-filter": "Nulle resultato. Vole tu <a href=\"{{URL}}\">reinitialisar le filtro</a>?",
 	"powered-by-kiwix-html": "Actionate per&nbsp;<a href=\"https://kiwix.org\">Kiwix</a>",
@@ -70,5 +86,6 @@
 	"book-category.wikiversity": "Wikiversitate",
 	"book-category.wikivoyage": "Wikiviage",
 	"book-category.wiktionary": "Wiktionario",
-	"book-category.other": "Altere"
+	"book-category.other": "Altere",
+	"text-loading-content": "Carga contento"
 }

static/skin/i18n/id.json

@@ -0,0 +1,74 @@
+{
+	"@metadata": {
+		"authors": [
+			"Akmaie Ajam"
+		]
+	},
+	"name": "Bahasa Inggris",
+	"suggest-full-text-search": "mengandung '{{{SEARCH_TERMS}}}'...",
+	"no-such-book": "Tidak ada buku seperti ini: {{BOOK_NAME}}",
+	"too-many-books": "Terlalu banyak buku yang diminta ({{NB_BOOKS}}) dimana batasnya adalah {{LIMIT}}",
+	"no-book-found": "Tidak ada buku yang sesuai kriteria yang dipilih",
+	"url-not-found": "URL yang diminta \"{{url}}\" tidak ditemukan di server ini.",
+	"suggest-search": "Lakukan pencarian teks lengkap untuk <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
+	"random-article-failure": "Waduh! Gagal memilih artikel acak :(",
+	"invalid-raw-data-type": "{{DATATYPE}} bukan permintaan yang sah untuk konten mentah.",
+	"invalid-request": "URL yang diminta \"{{{url}}}\" bukan permintaan yang sah.",
+	"no-value-for-arg": "Tidak ada nilai yang diberikan untuk argumen {{ARGUMENT}}",
+	"no-query": "Tidak ada kueri yang diberikan.",
+	"raw-entry-not-found": "Tidak dapat menemukan entri {{DATATYPE}} {{ENTRY}}",
+	"400-page-title": "Permintaan tidak sah",
+	"400-page-heading": "Permintaan tidak sah",
+	"404-page-title": "Konten tidak ditemukan",
+	"404-page-heading": "Tidak Ditemukan",
+	"500-page-title": "Kesalahan Server Internal",
+	"500-page-heading": "Kesalahan Server Internal",
+	"500-page-text": "Terjadi kesalahan server internal. Kami mohon maaf atas hal ini :/",
+	"fulltext-search-unavailable": "Pencarian teks lengkap tidak tersedia",
+	"no-search-results": "Mesin pencari teks lengkap tidak tersedia untuk konten ini.",
+	"search-results-page-title": "Pencarian: {{SEARCH_PATTERN}}",
+	"search-results-page-header": "Hasil <b>{{START}}-{{END}}</b> dari <b>{{COUNT}}</b> untuk <b>\"{{{SEARCH_PATTERN}}}\"</b>",
+	"empty-search-results-page-header": "Tidak ada hasil yang ditemukan untuk <b>\"{{{SEARCH_PATTERN}}}\"</b>",
+	"search-result-book-info": "dari {{BOOK_TITLE}}",
+	"word-count": "{{COUNT}} kata",
+	"library-button-text": "Pergi ke halaman selamat datang",
+	"home-button-text": "Buka halaman utama '{{BOOK_TITLE}}'",
+	"random-page-button-text": "Buka halaman yang dipilih secara acak",
+	"searchbox-tooltip": "Cari '{{BOOK_TITLE}}'",
+	"confusion-of-tongues": "Dua buku atau lebih dalam bahasa berbeda dapat muncul dalam hasil pencarian, yang dapat memicu hasil yang membingungkan.",
+	"welcome-page-overzealous-filter": "Tidak ada hasil. Apakah Anda ingin <a href=\"{{URL}}\">mengatur ulang filter</a>?",
+	"powered-by-kiwix-html": "Didukung oleh <a href=\"https://kiwix.org\">Kiwix</a>",
+	"search": "Cari",
+	"book-filtering-all-categories": "Semua kategori",
+	"book-filtering-all-languages": "Semua bahasa",
+	"count-of-matching-books": "{{COUNT}} buku",
+	"download": "Unduh",
+	"direct-download-link-text": "Langsung",
+	"direct-download-alt-text": "Unduh langsung melalui HTTP(S)",
+	"hash-download-link-text": "Checksum SHA-256",
+	"hash-download-alt-text": "Tampilkan checksum berkas SHA-256",
+	"magnet-link-text": "Tautan magnet",
+	"magnet-alt-text": "Unduh melalui tautan Magnet",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "Unduh melalui BitTorrent",
+	"library-opds-feed-all-entries": "Umpan OPDS Perpustakaan - Semua entri",
+	"filter-by-tag": "Saring berdasarkan tag \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Berhenti penyaringan berdasarkan tag \"{{{TAG}}}\"",
+	"library-opds-feed-parameterised": "Umpan OPDS Perpustakaan - entri yang cocok dengan {{#LANG}}\nBahasa: {{LANG}} {{/LANG}}{{#CATEGORY}}\nKategori: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nTag: {{TAG}} {{/TAG}}{{#Q}}\nKueri: {{Q}} {{/Q}}",
+	"welcome-to-kiwix-server": "Selamat datang di Server Kiwix",
+	"download-links-heading": "Tautan unduhan untuk <b><i>{{BOOK_TITLE}}</i></b>",
+	"download-links-title": "Unduh buku",
+	"preview-book": "Pratayang",
+	"unknown-error": "Kesalahan yang tidak diketahui",
+	"book-category.wikibooks": "Wikibuku",
+	"book-category.wikinews": "Wikiberita",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikikutip",
+	"book-category.wikisource": "Wikisumber",
+	"book-category.wikispecies": "Wikispesies",
+	"book-category.wikiversity": "Wikiversitas",
+	"book-category.wikivoyage": "Wikiwisata",
+	"book-category.wiktionary": "Wikikamus",
+	"book-category.other": "Lainnya",
+	"text-loading-content": "Memuat Konten"
+}

static/skin/i18n/it.json

@@ -3,8 +3,10 @@
 		"authors": [
 			"Albano",
 			"Beta16",
+			"Clorofolle",
 			"Luca.favorido",
-			"McDutchie"
+			"McDutchie",
+			"Wheelygay"
 		]
 	},
 	"name": "italiano",
@@ -21,27 +23,47 @@
 	"400-page-heading": "Richiesta non valida",
 	"404-page-title": "Contenuto non trovato",
 	"404-page-heading": "Non trovato",
+	"new-404-page-title": "Pagina non trovata",
+	"new-404-page-heading": "Oops. Pagina non trovata.",
+	"404-img-text": "Non trovato!",
 	"500-page-title": "Errore interno del server",
-	"500-page-heading": "Errore interno del server",
-	"500-page-text": "Si è verificato un errore interno del server. Ci dispiace :/",
+	"500-page-heading": "Oops. La pagina non funziona.",
+	"500-page-text": "Il percorso richiesto non può essere fornito correttamente:",
+	"caution-warning": "Attenzione!",
 	"search-results-page-title": "Cerca: {{SEARCH_PATTERN}}",
 	"search-results-page-header": "Risultati <b>{{START}}-{{END}}</b> di <b>{{COUNT}}</b> per <b>\"{{{SEARCH_PATTERN}}}\"</b>",
 	"empty-search-results-page-header": "Non è stato trovato alcun risultato per <b>\"{{{SEARCH_PATTERN}}}\"</b>",
 	"search-result-book-info": "da {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} parole",
 	"library-button-text": "Vai alla pagina di benvenuto",
-	"home-button-text": "Vai alla pagina principale di '{{BOOK_TITLE}}'",
+	"home-button-text": "Vai alla pagina principale di '{{{BOOK_TITLE}}}'",
 	"random-page-button-text": "Vai a una pagina selezionata casualmente",
-	"searchbox-tooltip": "Cerca '{{BOOK_TITLE}}'",
+	"searchbox-tooltip": "Cerca '{{{BOOK_TITLE}}}'",
+	"welcome-page-overzealous-filter": "Nessun risultato. Vuoi <a href=\"{{URL}}\">reimpostare il filtro</a>?",
+	"search": "Cerca",
 	"book-filtering-all-categories": "Tutte le categorie",
 	"book-filtering-all-languages": "Tutte le lingue",
 	"count-of-matching-books": "{{COUNT}} libro/i",
 	"download": "Scarica",
+	"direct-download-link-text": "Download diretto",
 	"direct-download-alt-text": "Scarica direttamente tramite HTTP(S)",
 	"magnet-alt-text": "Scarica tramite collegamento Magnet",
 	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "Scarica tramite BitTorrent",
+	"welcome-to-kiwix-server": "Benvenuti al server Kiwix",
+	"download-links-heading": "Link per scaricare <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Scarica libro",
 	"preview-book": "Anteprima",
-	"unknown-error": "Errore sconosciuto"
+	"unknown-error": "Errore sconosciuto",
+	"book-category.wikibooks": "Wikibooks",
+	"book-category.wikinews": "Wikinotizie",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikispecies",
+	"book-category.wikiversity": "Wikiversità",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "Wikizionario",
+	"book-category.other": "Altro",
+	"text-loading-content": "Caricamento contenuto"
 }

static/skin/i18n/ko.json

@@ -1,21 +1,80 @@
 {
 	"@metadata": {
 		"authors": [
+			"YeBoy371",
 			"Ykhwong"
 		]
 	},
 	"name": "한국어",
 	"suggest-full-text-search": "'{{{SEARCH_TERMS}}}' 포함...",
 	"no-such-book": "해당 책이 없습니다: {{BOOK_NAME}}",
+	"too-many-books": "요청된 책이 너무 많습니다. ({{NB_BOOKS}}) 한도는 {{LIMIT}}입니다.",
+	"no-book-found": "선택 기준에 해당하는 책이 없습니다",
+	"url-not-found": "\"{{url}}\" 요청 URL은 이 서버에서 찾을 수 없습니다.",
+	"suggest-search": "<a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>에 대한 전문 검색을 수행해 보세요",
+	"random-article-failure": "이런! 임의 문서를 선택하지 못했습니다 :(",
+	"invalid-raw-data-type": "{{DATATYPE}} 값은 원시 콘텐츠에 대한 유효한 요청이 아닙니다.",
+	"invalid-request": "\"{{{url}}}\" 요청 URL은 유효한 요청이 아닙니다.",
+	"no-value-for-arg": "{{ARGUMENT}} 인수에 지정된 값이 없습니다",
+	"no-query": "지정된 쿼리가 없습니다.",
+	"raw-entry-not-found": "{{DATATYPE}} 항목인 {{ENTRY}} 항목을 찾을 수 없습니다",
 	"400-page-title": "잘못된 요청",
 	"400-page-heading": "잘못된 요청",
 	"404-page-title": "내용이 없습니다",
 	"404-page-heading": "찾을 수 없음",
+	"new-404-page-title": "페이지를 찾을 수 없습니다",
+	"new-404-page-heading": "이런. 페이지를 찾을 수 없습니다.",
+	"404-img-text": "찾을 수 없습니다!",
+	"path-was-not-found": "요청한 경로를 찾을 수 없습니다:",
+	"404-advice.p3": "원하는 콘텐츠를 찾으려면 검색 기능을 사용해 보세요",
 	"500-page-title": "내부 서버 오류",
-	"500-page-heading": "내부 서버 오류",
+	"500-page-heading": "죄송합니다. 문서가 동작하지 않습니다.",
+	"500-page-text": "요청된 경로를 제대로 전달할 수 없습니다:",
+	"500-img-text": "문서가 동작하지 않습니다",
+	"external-link-detected": "외부 링크가 발견되었습니다",
+	"caution-warning": "경고!",
 	"fulltext-search-unavailable": "전문 검색을 사용할 수 없습니다",
+	"no-search-results": "이 콘텐츠에는 전문 검색 엔진을 사용할 수 없습니다.",
+	"search-results-page-title": "검색: {{SEARCH_PATTERN}}",
+	"search-results-page-header": "<b>\"{{{SEARCH_PATTERN}}}\"</b>에 대한 <b>{{COUNT}}</b>개 중 <b>{{START}}-{{END}}</b> 결과",
+	"empty-search-results-page-header": "<b>\"{{{SEARCH_PATTERN}}}\"</b>의 결과가 없습니다",
+	"search-result-book-info": "{{BOOK_TITLE}}에서",
+	"word-count": "단어 {{COUNT}}개",
+	"home-button-text": "'{{{BOOK_TITLE}}}'의 메인 페이지로 이동",
 	"random-page-button-text": "무작위로 선택된 문서로 이동",
+	"searchbox-tooltip": "'{{{BOOK_TITLE}}}' 검색",
+	"welcome-page-overzealous-filter": "결과가 없습니다. <a href=\"{{URL}}\">필터를 재설정</a>하시겠습니까?",
+	"powered-by-kiwix-html": "<a href=\"https://kiwix.org\">Kiwix</a>에서 제공",
+	"search": "검색",
+	"book-filtering-all-categories": "모든 분류",
+	"book-filtering-all-languages": "모든 언어",
+	"count-of-matching-books": "책 {{COUNT}}권",
+	"download": "다운로드",
+	"direct-download-link-text": "직접",
+	"direct-download-alt-text": "HTTP(S)를 통해 직접 다운로드",
 	"hash-download-link-text": "SHA-256 체크섬",
+	"hash-download-alt-text": "SHA-256 파일 체크섬 표시",
+	"magnet-link-text": "마그넷 링크",
+	"magnet-alt-text": "마그넷 링크를 통해 다운로드",
 	"torrent-download-link-text": "비트토렌트",
-	"preview-book": "미리 보기"
+	"torrent-download-alt-text": "비트토렌트를 통해 다운로드",
+	"library-opds-feed-all-entries": "라이브러리 OPDS 피드 - 모든 항목",
+	"filter-by-tag": "\"{{{TAG}}}\" 태그로 필터링",
+	"stop-filtering-by-tag": "\"{{{TAG}}}\" 태그로 필터링 중지",
+	"library-opds-feed-parameterised": "라이브러리 OPDS 피드 - {{#LANG}} 일치 항목\n언어: {{LANG}} {{/LANG}}{{#CATEGORY}}\n분류: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\n태그: {{TAG}} {{/TAG}}{{#Q}}\n쿼리: {{Q}} {{/Q}}",
+	"welcome-to-kiwix-server": "Kiwix Server에 오신 것을 환영합니다",
+	"download-links-heading": "<b><i>{{BOOK_TITLE}}</i></b>의 링크 다운로드",
+	"download-links-title": "책 다운로드",
+	"preview-book": "미리 보기",
+	"unknown-error": "알 수 없는 오류",
+	"book-category.wikibooks": "위키책",
+	"book-category.wikinews": "위키뉴스",
+	"book-category.wikipedia": "위키백과",
+	"book-category.wikiquote": "위키인용집",
+	"book-category.wikisource": "위키문헌",
+	"book-category.wikispecies": "위키생물종",
+	"book-category.wikiversity": "위키배움터",
+	"book-category.wikivoyage": "위키여행",
+	"book-category.wiktionary": "위키낱말사전",
+	"book-category.other": "기타"
 }

static/skin/i18n/lb.json

@@ -15,18 +15,24 @@
 	"random-article-failure": "Ups! Et konnt keen zoufällegen Artikel ausgewielt ginn :(",
 	"404-page-title": "Inhalt net fonnt",
 	"404-page-heading": "Net fonnt",
+	"new-404-page-title": "Säit net fonnt",
+	"new-404-page-heading": "Ups. Säit net fonnt.",
+	"404-img-text": "Net fonnt!",
 	"500-page-title": "Interne Feeler um Server",
-	"500-page-heading": "Interne Feeler um Server",
+	"500-page-heading": "Ups. D'Säit funktionéiert net.",
 	"500-page-text": "Et ass en interne Serverfeeler opgetrueden. Mir entschëllegen eis dofir :/",
+	"500-img-text": "Säit funktionéiert net",
+	"external-link-detected": "Externe Link entdeckt",
+	"caution-warning": "Opgepasst!",
 	"fulltext-search-unavailable": "Volltext-Sich net verfügbar",
 	"search-results-page-title": "Sichen: {{SEARCH_PATTERN}}",
 	"search-results-page-header": "Resultater <b>{{START}}-{{END}}</b> vu(n) <b>{{COUNT}}</b> fir <b>„{{{SEARCH_PATTERN}}}“</b>",
 	"empty-search-results-page-header": "Keng Resultater fonnt fir <b>„{{{SEARCH_PATTERN}}}“</b>",
 	"search-result-book-info": "aus {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} Wierder",
-	"home-button-text": "Gitt op d'Haaptsäit vun '{{BOOK_TITLE}}'",
+	"home-button-text": "Op d'Haaptsäit vun '{{{BOOK_TITLE}}}' goen",
 	"random-page-button-text": "Gitt op eng zoufälleg gewielte Säit",
-	"searchbox-tooltip": "No '{{BOOK_TITLE}}' sichen",
+	"searchbox-tooltip": "No '{{{BOOK_TITLE}}}' sichen",
 	"welcome-page-overzealous-filter": "Kee Resultat. Wëllt Dir <a href=\"{{URL}}\">de Filter zrécksetzen</a>?",
 	"search": "Sichen",
 	"book-filtering-all-categories": "All Kategorien",

static/skin/i18n/mk.json

@@ -22,9 +22,25 @@
 	"400-page-heading": "Неважечко барање",
 	"404-page-title": "Содржината не е најдена",
 	"404-page-heading": "Не е најдено",
+	"new-404-page-title": "Страницата не е пронајдена",
+	"new-404-page-heading": "Ах! Страницата не е пронајдена.",
+	"404-img-text": "Не е најдено!",
+	"path-was-not-found": "Не ја најдов побараната патека:",
+	"404-advice.p1": "Содржината што ја барате може сепак да е достапна, но може да се наоѓа на друго место во рамките на ZIM-податотеката.",
+	"404-advice.p2": "Ве молиме:",
+	"404-advice.p3": "Пробајте да ја употребите функцијата за пребарување за да ја најдете содржината што ви треба",
+	"404-advice.p4": "Барајте клучни зборови или наслови поврзани со информациите што ви требаат",
+	"404-advice.p5": "Овој приод треба да ви помогне да ја најдете саканата содржина, дури и ако изворната врска не работи правилно.",
 	"500-page-title": "Внатрешна грешка во опслужувачот",
-	"500-page-heading": "Внатрешна грешка во опслужувачот",
-	"500-page-text": "Настана внатрешна грешка во опслужувачот. Жал ни е :/",
+	"500-page-heading": "Страницата не работи.",
+	"500-page-text": "Побараната патека не може правилно да се достави:",
+	"500-img-text": "Страницата не работи.",
+	"external-link-detected": "Најдена е надворешна врска",
+	"caution-warning": "Внимание!",
+	"external-link-intro": "На пат сте да го напуштите ZIM-читачот на Кивикс за да појдете на",
+	"external-link-advice.p1": "Врската што пробувате да ја отворите не е дел од вашиот вонмрежен пакет и бара семрежна врска.",
+	"external-link-advice.p2": "Ако можете да се поврзете со семрежнето, пробајте да ја отворите врската.",
+	"external-link-advice.p3": "Во спротивно можете повторно да пробате да ја отворите вонмрежната содржина на вашиот ZIM стискајќи на копчето за враќање назад на вашиот прелистувач.",
 	"fulltext-search-unavailable": "Целотекстното пребарување е недостапно",
 	"no-search-results": "Погонот за целотекстно пребарување не е достапен за оваа содржина.",
 	"search-results-page-title": "Пребарување: {{SEARCH_PATTERN}}",
@@ -33,9 +49,9 @@
 	"search-result-book-info": "од {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} зборови",
 	"library-button-text": "Оди на воведната страница",
-	"home-button-text": "Оди на главната страница на „{{BOOK_TITLE}}“",
+	"home-button-text": "Оди на главната страница на „{{{BOOK_TITLE}}}“",
 	"random-page-button-text": "Оди на случајно избрана страница",
-	"searchbox-tooltip": "Пребарај го „{{BOOK_TITLE}}“",
+	"searchbox-tooltip": "Пребарај по „{{{BOOK_TITLE}}}“",
 	"confusion-of-tongues": "Во пребарувањето ќе учествуваат две или повеќе книги на различни јазици, што може да довете до збунувачки исход.",
 	"welcome-page-overzealous-filter": "Нема исход. Дали би сакале да го <a href=\"{{URL}}\">поништите филтерот</a>?",
 	"powered-by-kiwix-html": "Овозможено од&nbsp;<a href=\"https://kiwix.org\">Кивикс</a>",
@@ -78,5 +94,6 @@
 	"book-category.wikiversity": "Викиуниверзитет",
 	"book-category.wikivoyage": "Википатување",
 	"book-category.wiktionary": "Викиречник",
-	"book-category.other": "друго"
+	"book-category.other": "друго",
+	"text-loading-content": "Ја вчитувам содржината"
 }

static/skin/i18n/nb.json

@@ -0,0 +1,74 @@
+{
+	"@metadata": {
+		"authors": [
+			"TorgeirS"
+		]
+	},
+	"name": "Engelsk",
+	"suggest-full-text-search": "inneholder '{{{SEARCH_TERMS}}}'...",
+	"no-such-book": "Finner ingen slik bok: {{BOOK_NAME}}",
+	"too-many-books": "Det er forespurt for mange bøker {{NB_BOOKS}} der grensen er {{LIMIT}}",
+	"no-book-found": "Ingen bøker med treff på utvalgkriteriene",
+	"url-not-found": "Den forespurte webadressen «{{url}}» ble ikke funnet på denne serveren.",
+	"suggest-search": "Gjør et fulltekstsøk etter <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
+	"random-article-failure": "Oops! Klarte ikke å hente en tilfeldig artikkel :(",
+	"invalid-raw-data-type": "{{DATATYPE}} er ikke en gyldig forespørsel etter uformatert innhold.",
+	"invalid-request": "Den forespurte URL-en \"{{{url}}}\" er ikke en gyldig forespørsel.",
+	"no-value-for-arg": "Ingen verdi angitt for argumentet {{ARGUMENT}}",
+	"no-query": "Ingen søkeord oppgitt.",
+	"raw-entry-not-found": "Finner ikke {{DATATYPE}}-oppføringen {{ENTRY}}",
+	"400-page-title": "Ugyldig forespørsel",
+	"400-page-heading": "Ugyldig forespørsel",
+	"404-page-title": "Finner ikke innhold",
+	"404-page-heading": "Ikke funnet",
+	"500-page-title": "Intern serverfeil",
+	"500-page-heading": "Intern serverfeil",
+	"500-page-text": "Det oppstod en intern serverfeil. Vi beklager det :/",
+	"fulltext-search-unavailable": "Fulltekstsøk utilgjengelig",
+	"no-search-results": "Søkemotoren for fulltekstsøk er ikke tilgjengelig for dette innholdet.",
+	"search-results-page-title": "Søk: {{SEARCH_PATTERN}}",
+	"search-results-page-header": "Resultater <b>{{START}}-{{END}}</b> av <b>{{COUNT}}</b> for <b>\"{{{SEARCH_PATTERN}}}\"</b>",
+	"empty-search-results-page-header": "Ingen resultater ble funnet for <b>\"{{{SEARCH_PATTERN}}}\"</b>",
+	"search-result-book-info": "fra {{BOOK_TITLE}}",
+	"word-count": "{{COUNT}} ord",
+	"library-button-text": "Gå til velkomstsiden",
+	"home-button-text": "Gå til hovedsiden for '{{BOOK_TITLE}}'",
+	"random-page-button-text": "Gå til en tilfeldig valgt side",
+	"searchbox-tooltip": "Søk etter '{{BOOK_TITLE}}'",
+	"confusion-of-tongues": "To eller flere bøker på forskjellige språk vil inngå i søket, noe som kan gi forvirrende resultater.",
+	"welcome-page-overzealous-filter": "Ingen resultater. Vil du <a href=\"{{URL}}\">tilbakestille filteret</a>?",
+	"powered-by-kiwix-html": "Drevet av <a href=\"https://kiwix.org\">Kiwix</a>",
+	"search": "Søk",
+	"book-filtering-all-categories": "Alle kategorier",
+	"book-filtering-all-languages": "Alle språk",
+	"count-of-matching-books": "{{COUNT}} bok/bøker",
+	"download": "Last ned",
+	"direct-download-link-text": "Direkte",
+	"direct-download-alt-text": "Last ned direkte via HTTP(S)",
+	"hash-download-link-text": "SHA-256 kontrollsum",
+	"hash-download-alt-text": "Vis filens SHA-256 kontrollsum",
+	"magnet-link-text": "Magnetlenke",
+	"magnet-alt-text": "Last ned via Magnetlenke",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "Last ned via BitTorrent",
+	"library-opds-feed-all-entries": "Biblioteks OPDS-feed - Alle oppføringer",
+	"filter-by-tag": "Filtrer etter taggen \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Slutt å filtrere etter taggen \"{{{TAG}}}\"",
+	"library-opds-feed-parameterised": "Biblioteks OPDS-feed - oppføringer som samsvarer med {{#LANG}}\nSpråk: {{LANG}} {{/LANG}}{{#CATEGORY}}\nKategori: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nTagg: {{TAG}} {{/TAG}}{{#Q}}\nSpørring: {{Q}} {{/Q}}",
+	"welcome-to-kiwix-server": "Velkommen til Kiwix Server",
+	"download-links-heading": "Nedlastingslenker for <b><i>{{BOOK_TITLE}}</i></b>",
+	"download-links-title": "Last ned bok",
+	"preview-book": "Forhåndsvisning",
+	"unknown-error": "Ukjent feil",
+	"book-category.wikibooks": "Wikibooks",
+	"book-category.wikinews": "Wikinews",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikispecies",
+	"book-category.wikiversity": "Wikiversity",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "Wiktionary",
+	"book-category.other": "Annet",
+	"text-loading-content": "Laster innhold"
+}

static/skin/i18n/nl.json

@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"ABPMAB",
 			"Kelson",
 			"McDutchie",
 			"Siebrand",
@@ -16,6 +17,7 @@
 	"suggest-search": "In volledige tekst zoeen naar <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
 	"random-article-failure": "Oeps! Kan geen willekeurig artikel kiezen :(",
 	"invalid-raw-data-type": "{{DATATYPE}} is geen geldig verzoek voor onbewerkte inhoud.",
+	"invalid-request": "De gevraagde URL “{{{url}}}” is onjuist.",
 	"no-value-for-arg": "Er is geen waarde opgegeven bij {{ARGUMENT}}",
 	"no-query": "Er is geen zoekterm opgegeven.",
 	"raw-entry-not-found": "Kan het {{DATATYPE}}-item {{ENTRY}} niet vinden",
@@ -23,18 +25,36 @@
 	"400-page-heading": "Ongeldig verzoek",
 	"404-page-title": "Inhoud niet gevonden",
 	"404-page-heading": "Niet gevonden",
+	"new-404-page-title": "Pagina niet gevonden",
+	"new-404-page-heading": "Oeps. Pagina niet gevonden.",
+	"404-img-text": "Niet gevonden!",
+	"path-was-not-found": "Het gevraagde pad is niet gevonden:",
+	"404-advice.p1": "De inhoud die u zoekt is mogelijk toch beschikbaar, maar kan zich ergens anders in het ZIM-bestand bevinden.",
+	"404-advice.p2": "U kunt:",
+	"404-advice.p3": "De zoekfunctie proberen om de gewenste inhoud te vinden",
+	"404-advice.p4": "Trefwoorden of titels opzoeken die verband houden met de informatie die u zoekt",
+	"404-advice.p5": "Met deze aanpak kunt u hopelijk de gewenste inhoud vinden, ook als de oorspronkelijke koppeling niet goed werkt.",
 	"500-page-title": "Interne serverfout",
-	"500-page-heading": "Interne serverfout",
-	"500-page-text": "Er is een interne serverfout opgetreden. Dat spijt ons",
+	"500-page-heading": "Oeps. De pagina werkt niet.",
+	"500-page-text": "Het aangevraagde pad kan niet goed beschikbaar worden gesteld:",
+	"500-img-text": "Pagina werkt niet",
+	"external-link-detected": "Externe koppeling gedetecteerd",
+	"caution-warning": "Voorzichtig!",
+	"external-link-intro": "U staat op het punt de ZIM-lezer van Kiwix te verlaten om online te gaan naar",
+	"external-link-advice.p1": "De koppeling die u probeert te openen, maakt geen deel uit van uw offline-pakket en vereist een internetverbinding.",
+	"external-link-advice.p2": "Als u online kunt gaan, kunt u proberen de koppeling te openen.",
+	"external-link-advice.p3": "Anders kunt u met de terugknop van uw browser terugkeren naar de offline-inhoud van uw ZIM.",
 	"fulltext-search-unavailable": "Zoeken in volledige tekst is niet beschikbaar",
 	"no-search-results": "De zoekmachine voor volledige tekst is niet beschikbaar voor deze inhoud.",
 	"search-results-page-title": "Zoeken: {{SEARCH_PATTERN}}",
+	"search-results-page-header": "Resultaten <b>{{START}}-{{END}}</b> van <b>{{COUNT}}</b> voor <b>“{{{SEARCH_PATTERN}}}”</b>",
+	"empty-search-results-page-header": "Er zijn geen resultaten gevonden voor <b>“{{{SEARCH_PATTERN}}}”</b>",
 	"search-result-book-info": "uit {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} woorden",
 	"library-button-text": "Naar de welkomstpagina",
-	"home-button-text": "Naar de hoofdpagina van ‘{{BOOK_TITLE}}’",
+	"home-button-text": "Naar de hoofdpagina van ‘{{{BOOK_TITLE}}}’",
 	"random-page-button-text": "Naar een willekeurig geselecteerde pagina gaan",
-	"searchbox-tooltip": "Naar ‘{{BOOK_TITLE}}’ zoeken",
+	"searchbox-tooltip": "‘{{{BOOK_TITLE}}}’ doorzoeken",
 	"confusion-of-tongues": "Er zouden twee of meer boeken in verschillende talen deelnemen aan de zoekopdracht, wat tot verwarrende resultaten kan leiden.",
 	"welcome-page-overzealous-filter": "Geen resultaat. Wilt u <a href=\"{{URL}}\">het filter resetten</a>?",
 	"powered-by-kiwix-html": "Mogelijk gemaakt door <a href=\"https://kiwix.org\">Kiwix</a>",
@@ -52,12 +72,23 @@
 	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "Downloaden via BitTorrent",
 	"library-opds-feed-all-entries": "OPDS-feed bibliotheek: alle vermeldingen",
-	"filter-by-tag": "Filteren op label “{{TAG}}”",
-	"stop-filtering-by-tag": "Niet meer filteren op label “{{TAG}}”",
+	"filter-by-tag": "Filteren op label “{{{TAG}}}”",
+	"stop-filtering-by-tag": "Niet meer filteren op label “{{{TAG}}}”",
 	"library-opds-feed-parameterised": "OPDS-feed bibliotheek: vermeldingen die overeenkomen met {{#LANG}}\nTaal: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategorie: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nLabel: {{TAG}} {{/TAG}}{{#Q}}\nZoekopdracht: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Welkom bij de Kiwix-server",
 	"download-links-heading": "Downloadkoppelingen voor <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Boek downloaden",
 	"preview-book": "Voorvertoning",
-	"unknown-error": "Onbekende fout"
+	"unknown-error": "Onbekende fout",
+	"book-category.wikibooks": "Wikibooks",
+	"book-category.wikinews": "Wikinieuws",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikispecies",
+	"book-category.wikiversity": "Wikiversity",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "WikiWoordenboek",
+	"book-category.other": "Overige",
+	"text-loading-content": "Inhoud laden"
 }

static/skin/i18n/nqo.json

@@ -1,7 +1,6 @@
 {
 	"@metadata": {
 		"authors": [
-			"Amire80",
 			"Lancine.kounfantoh.fofana"
 		]
 	},

static/skin/i18n/pt-br.json

@@ -2,6 +2,7 @@
 	"@metadata": {
 		"authors": [
 			"Eduardoaddad",
+			"Klgor1803",
 			"Obiru",
 			"Re demz",
 			"YoReaper"
@@ -9,6 +10,16 @@
 	},
 	"name": "Português",
 	"suggest-full-text-search": "Contendo '{{{SEARCH_TERMS}}}'...",
+	"no-such-book": "Não existe o livro: {{BOOK_NAME}}",
+	"too-many-books": "Muitos livros solicitados {{NB_BOOKS}} mas o limite é {{LIMIT}}",
+	"no-book-found": "Nenhum livro corresponde os critérios de seleção",
+	"url-not-found": "O URL \"{{url}}\" não foi encontrado neste servidor.",
+	"suggest-search": "Fazer uma pesquisa de texto completo para <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
+	"random-article-failure": "Ops! Falha ao escolher um artigo aleatório :(",
+	"invalid-raw-data-type": "{{DATATYPE}} não é uma solicitação válida para conteúdo bruto.",
+	"invalid-request": "O URL solicitado \"{{{url}}}\" não é uma solicitação válida.",
+	"no-value-for-arg": "Nenhum valor para o argumento {{ARGUMENT}}",
+	"no-query": "Nenhuma consulta fornecida.",
 	"400-page-title": "Requisição inválida",
 	"400-page-heading": "Requisição inválida",
 	"404-page-title": "Conteúdo não encontrado",
@@ -16,7 +27,9 @@
 	"500-page-title": "Erro interno do servidor",
 	"500-page-heading": "Erro interno do servidor",
 	"500-page-text": "Aconteceu um erro interno do servidor. Nós pedimos desculpas sobre isso :/",
+	"caution-warning": "Cuidado!",
 	"fulltext-search-unavailable": "Busca por texto completo está indisponível",
+	"no-search-results": "O motor de busca de texto completo não está disponível para este conteúdo.",
 	"search-results-page-title": "Buscar: {{SEARCH_PATTERN}}",
 	"search-results-page-header": "Resultados <b>{{START}}-{{END}}</b> de <b>{{COUNT}}</b> para <b>\"{{{SEARCH_PATTERN}}}\"</b>",
 	"empty-search-results-page-header": "Nenhum resultado encontrado para <b>\"{{{SEARCH_PATTERN}}}\"</b>",
@@ -27,18 +40,37 @@
 	"random-page-button-text": "Ir para uma página aleatória",
 	"searchbox-tooltip": "Buscar '{{BOOK_TITLE}}'",
 	"confusion-of-tongues": "Dois ou mais livros em diferentes idiomas podem participar da pesquisa, isso pode proporcionar resultados confusos.",
+	"welcome-page-overzealous-filter": "Nenhum resultado. Gostaria de <a href=\"{{URL}}\">redefinir o filtro</a> ?",
+	"powered-by-kiwix-html": "Desenvolvido por <a href=\"https://kiwix.org\">Kiwix</a>",
 	"search": "Pesquisar",
 	"book-filtering-all-categories": "Todas as categorias",
 	"book-filtering-all-languages": "Todos os idiomas",
 	"count-of-matching-books": "{{COUNT}} livro(s)",
 	"download": "Baixar",
+	"direct-download-link-text": "Direto",
+	"direct-download-alt-text": "Baixar diretamente por HTTP(S)",
 	"hash-download-link-text": "Verificação SHA-256",
 	"hash-download-alt-text": "Exibir arquivo de verificação SHA-256",
+	"magnet-link-text": "Link Magnet",
+	"magnet-alt-text": "Baixar por link Magnet",
 	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "Baixar via BitTorrent",
+	"library-opds-feed-all-entries": "Feed OPDS da biblioteca - Todas as entradas",
+	"filter-by-tag": "Filtrar por etiqueta \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Parar de filtrar por etiqueta \"{{{TAG}}}\"",
+	"library-opds-feed-parameterised": "Biblioteca OPDS Feed - entradas que correspondem a {{#LANG}}\nIdioma: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategoria: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nTag: {{TAG}} {{/TAG}}{{#Q}}\nConsulta: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Bem vindo ao servidor Kiwix",
 	"download-links-heading": "Links para baixar <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Download do livro",
 	"preview-book": "Pré-visualizar",
-	"unknown-error": "Erro desconhecido"
+	"unknown-error": "Erro desconhecido",
+	"book-category.wikibooks": "Wikilivros",
+	"book-category.wikinews": "Wikinotícias",
+	"book-category.wikipedia": "Wikipédia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikispécies",
+	"book-category.wikiversity": "Wikiversidade",
+	"book-category.wiktionary": "Wikcionário",
+	"book-category.other": "Outro"
 }

static/skin/i18n/qqq.json

@@ -24,9 +24,25 @@
 	"400-page-heading": "Heading of the 400 error page",
 	"404-page-title": "Title of the 404 error page",
 	"404-page-heading": "Heading of the 404 error page",
+	"new-404-page-title": "Title of the 404 error page",
+	"new-404-page-heading": "Heading of the 404 error page",
+	"404-img-text": "Fallback text for the image on the 404 error page",
+	"path-was-not-found": "Message telling that the URL path was not found (to be followed by the actual path)",
+	"404-advice.p1": "1st paragraph of the multiline advice on the 'Page not found' error page (see 404-advice.p1 through 404-advice.p5 for full text)",
+	"404-advice.p2": "2nd paragraph of the multiline advice on the 'Page not found' error page (see 404-advice.p1 through 404-advice.p5 for full text)",
+	"404-advice.p3": "3rd paragraph of the multiline advice on the 'Page not found' error page (see 404-advice.p1 through 404-advice.p5 for full text)",
+	"404-advice.p4": "4th paragraph of the multiline advice on the 'Page not found' error page (see 404-advice.p1 through 404-advice.p5 for full text)",
+	"404-advice.p5": "5th paragraph of the multiline advice on the 'Page not found' error page (see 404-advice.p1 through 404-advice.p5 for full text)",
 	"500-page-title": "Title of the 500 error page",
 	"500-page-heading": "Heading of the 500 error page",
 	"500-page-text": "Text of the 500 error page",
+	"500-img-text": "Fallback text for the image on the 500 error page",
+	"external-link-detected": "Title & heading of the external link blocker page",
+	"caution-warning": "Warning of action that shouldn't be carried out carelessly",
+	"external-link-intro": "Message introducing the external link (to be followed by the actual link)",
+	"external-link-advice.p1": "1st paragraph of the multiline advice on the external link blocker page (see external-link-advice.p1 through external-link-advice.p3 for full text)",
+	"external-link-advice.p2": "2nd paragraph of the multiline advice on the external link blocker page (see external-link-advice.p1 through external-link-advice.p3 for full text)",
+	"external-link-advice.p3": "3rd paragraph of the multiline advice on the external link blocker page (see external-link-advice.p1 through external-link-advice.p3 for full text)",
 	"fulltext-search-unavailable": "Title of the error page returned when search is attempted in a book without fulltext search database",
 	"no-search-results": "Text of the error page returned when search is attempted in a book without fulltext search database",
 	"search-results-page-title": "Title of the search results page",
@@ -80,5 +96,6 @@
 	"book-category.wikiversity": "Name for the category of Wikiversity books",
 	"book-category.wikivoyage": "Name for the category of Wikivoyage books",
 	"book-category.wiktionary": "Name for the category of Wiktionary books",
-	"book-category.other": "Books not belonging to any special category are listed under this one"
+	"book-category.other": "Books not belonging to any special category are listed under this one",
+	"text-loading-content": "Text displayed while content is being loaded"
 }

static/skin/i18n/ro.json

@@ -0,0 +1,75 @@
+{
+	"@metadata": {
+		"authors": [
+			"MSClaudiu",
+			"Trotinel Iftode"
+		]
+	},
+	"name": "Engleză",
+	"suggest-full-text-search": "care conține '{{{SEARCH_TERMS}}}'...",
+	"no-such-book": "Nu există o astfel de carte: {{BOOK_NAME}}",
+	"too-many-books": "Prea multe cărți solicitate ({{NB_BOOKS}}) unde limita este {{LIMIT}}",
+	"no-book-found": "Nicio carte nu corespunde criteriilor de selecție",
+	"url-not-found": "Adresa URL solicitată \"{{url}}\" nu a fost găsită pe acest server.",
+	"suggest-search": "Efectuați o căutare text complet pentru <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
+	"random-article-failure": "Hopa! Nu s-a putut alege un articol aleatoriu :(",
+	"invalid-raw-data-type": "{{DATATYPE}} nu este o solicitare validă pentru conținut brut.",
+	"invalid-request": "Adresa URL solicitată \"{{{url}}}\" nu este o solicitare validă.",
+	"no-value-for-arg": "Nu este furnizată nicio valoare pentru argumentul {{ARGUMENT}}",
+	"no-query": "Nu a fost furnizată nicio interogare.",
+	"raw-entry-not-found": "Nu se poate găsi {{DATATYPE}} intrarea {{ENTRY}}",
+	"400-page-title": "Cerere invalidă",
+	"400-page-heading": "Cerere invalidă",
+	"404-page-title": "Conținut nu a fost găsit",
+	"404-page-heading": "Nu a fost găsit",
+	"500-page-title": "Eroare internă de server",
+	"500-page-heading": "Eroare internă de server",
+	"500-page-text": "A apărut o eroare internă de server. Ne pare rau pentru asta :/",
+	"external-link-intro": "Ești pe cale să părăsești cititorul ZIM al Kiwix pentru a te conecta la...",
+	"fulltext-search-unavailable": "Căutarea text integral indisponibilă",
+	"no-search-results": "Motorul de căutare textintegral nu este disponibil pentru acest conținut.",
+	"search-results-page-title": "Căutare: {{SEARCH_PATTERN}}",
+	"search-results-page-header": "Rezultatele <b>{{START}}-{{END}}</b> din <b>{{COUNT}}</b> pentru <b>„{{{SEARCH_PATTERN}}}”</b>",
+	"empty-search-results-page-header": "Nu au fost găsite rezultate pentru <b>„{{{SEARCH_PATTERN}}}”</b>",
+	"search-result-book-info": "din {{BOOK_TITLE}}",
+	"word-count": "{{COUNT}} cuvinte",
+	"library-button-text": "Mergi la pagina de pornire",
+	"home-button-text": "Accesați pagina principală a „{{BOOK_TITLE}}”",
+	"random-page-button-text": "Accesați o pagină selectată aleatoriu",
+	"searchbox-tooltip": "Căutați „{{BOOK_TITLE}}”",
+	"confusion-of-tongues": "Două sau mai multe cărți în limbi diferite ar participa la căutare, ceea ce poate duce la rezultate confuze.",
+	"welcome-page-overzealous-filter": "Nici un rezultat. Doriți să <a href=\"{{URL}}\">resetați filtrul</a>?",
+	"powered-by-kiwix-html": "Susținut de&nbsp;<a href=\"https://kiwix.org\">Kiwix</a>",
+	"search": "Caută",
+	"book-filtering-all-categories": "Toate categoriile",
+	"book-filtering-all-languages": "Toate limbile",
+	"count-of-matching-books": "{{COUNT}} cărți",
+	"download": "Descărcare",
+	"direct-download-link-text": "Direct",
+	"direct-download-alt-text": "Descărcați direct prin HTTP(S)",
+	"hash-download-link-text": "Sumă de control SHA-256",
+	"hash-download-alt-text": "Afișează suma de verificare a fișierului SHA-256",
+	"magnet-link-text": "Legătură magnetică",
+	"magnet-alt-text": "Descărcați prin linkul Magnet",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "Descărcați prin BitTorrent",
+	"library-opds-feed-all-entries": "Bibliotecă OPDS Feed - Toate intrările",
+	"filter-by-tag": "Filtrați după eticheta \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Opriți filtrarea după eticheta \"{{{TAG}}}\"",
+	"library-opds-feed-parameterised": "Bibliotecă OPDS Feed - intrări care se potrivesc cu {{#LANG}}\nLimba: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategorie: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nEtichetă: {{TAG}} {{/TAG}}{{#Q}}\nInterogare: {{Q}} {{/Q}}",
+	"welcome-to-kiwix-server": "Bun venit la Kiwix Server",
+	"download-links-heading": "Descărcați linkuri pentru <b><i>{{BOOK_TITLE}}</i></b>",
+	"download-links-title": "Descărcă cartea",
+	"preview-book": "Previzualizare",
+	"unknown-error": "Eroare necunoscută",
+	"book-category.wikibooks": "Wikimanuale",
+	"book-category.wikinews": "Wikiștiri",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikicitat",
+	"book-category.wikisource": "Wikisursă",
+	"book-category.wikispecies": "Wikispecii",
+	"book-category.wikiversity": "Wikiversitate",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "Wikționar",
+	"book-category.other": "Altul"
+}

static/skin/i18n/sc.json

@@ -38,16 +38,16 @@
 	"count-of-matching-books": "{{COUNT}} libru/os",
 	"download": "Iscàrriga",
 	"direct-download-link-text": "Diretu",
-	"direct-download-alt-text": "iscarrigamentu diretu",
-	"hash-download-link-text": "Hash SHA256",
-	"hash-download-alt-text": "hash de s'iscarrigamentu",
+	"direct-download-alt-text": "Iscàrriga in manera direta tràmite HTTP(S)",
+	"hash-download-link-text": "Summa de controllu SHA-256",
+	"hash-download-alt-text": "Mustra sa summa de controllu SHA-256",
 	"magnet-link-text": "Ligàmene Magnet",
-	"magnet-alt-text": "ligàmene \"magnet\" de iscarrigamentu",
-	"torrent-download-link-text": "Documentu Torrent",
-	"torrent-download-alt-text": "iscàrriga su torrent",
+	"magnet-alt-text": "Iscàrriga impreende su ligàmene Magnet",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "Iscàrriga impreende BitTorrent",
 	"library-opds-feed-all-entries": "Flussu OPDS de sa biblioteca – Totu sos elementos",
-	"filter-by-tag": "Filtra pro eticheta \"{{TAG}}\"",
-	"stop-filtering-by-tag": "Non filtres prus pro eticheta \"{{TAG}}\"",
+	"filter-by-tag": "Filtra pro eticheta \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Non filtres prus pro eticheta \"{{{TAG}}}\"",
 	"library-opds-feed-parameterised": "Flussu OPDS de sa biblioteca - elementos chi currispondet cun {{#LANG}}\nLimba: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategoria: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nEticheta: {{TAG}} {{/TAG}}{{#Q}}\nChirca: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Bene bènnidu a su serbidore de Kiwix",
 	"download-links-heading": "Ligàmenes de iscarrigamentu pro <b><i>{{BOOK_TITLE}}</i></b>",

static/skin/i18n/skr-arab.json

@@ -9,6 +9,8 @@
 	"400-page-heading": "غلط ارداس",
 	"404-page-title": "مواد کائنی لبھیا",
 	"404-page-heading": "کائنی لبھا",
+	"new-404-page-title": "ورقہ کائنی لبھیا",
+	"404-img-text": "کائنی لبھا!",
 	"500-page-title": "اندرلا سرور نقص",
 	"500-page-heading": "اندرلا سرور نقص",
 	"search": "ڳولو",

static/skin/i18n/sl.json

@@ -10,7 +10,7 @@
 	"suggest-full-text-search": "vsebuje »{{{SEARCH_TERMS}}}« ...",
 	"no-such-book": "Ni take knjige: {{BOOK_NAME}}",
 	"too-many-books": "Preveč zahtevanih knjig ({{NB_BOOKS}}), omejitev je {{LIMIT}}",
-	"no-book-found": "Izbirnim merilom ne ustreza nobena knjiga",
+	"no-book-found": "Izbranim merilom ne ustreza nobena knjiga",
 	"url-not-found": "Zahtevanega URL-ja »{{url}}« v tem strežniku ni bilo mogoče najti.",
 	"suggest-search": "Preiščite celotno besedilo za <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
 	"random-article-failure": "Ups! Ni bilo mogoče izbrati naključnega članka :(",
@@ -23,9 +23,25 @@
 	"400-page-heading": "Neveljaven zahtevek",
 	"404-page-title": "Vsebine ni mogoče najti",
 	"404-page-heading": "Ni najdeno",
+	"new-404-page-title": "Stran ni bila najdena",
+	"new-404-page-heading": "Ups. Stran ni bila najdena.",
+	"404-img-text": "Ni najdeno!",
+	"path-was-not-found": "Zahtevana pot ni bila najdena:",
+	"404-advice.p1": "Vsebina, ki jo iščete, je mogoče še vedno na voljo, vendar se morda nahaja na drugem mestu v datoteki ZIM.",
+	"404-advice.p2": "Prosimo:",
+	"404-advice.p3": "Poskusite uporabiti funkcijo iskanja, da najdete želeno vsebino",
+	"404-advice.p4": "Poiščite ključne besede ali naslove, povezane z informacijami, ki jih iščete",
+	"404-advice.p5": "Ta pristop bi vam moral pomagati najti želeno vsebino, tudi če izvirna povezava ne deluje pravilno.",
 	"500-page-title": "Notranja napaka strežnika",
-	"500-page-heading": "Notranja napaka strežnika",
-	"500-page-text": "Prišlo je do notranje napake strežnika. Žal nam je za to. :/",
+	"500-page-heading": "Ups. Stran ne deluje.",
+	"500-page-text": "Zahtevane poti ni mogoče pravilno dostaviti:",
+	"500-img-text": "Stran ne deluje",
+	"external-link-detected": "Zaznana zunanja povezava",
+	"caution-warning": "Pozor!",
+	"external-link-intro": "Zapustili boste bralnik ZIM v Kiwixu in se v internetu povezali z",
+	"external-link-advice.p1": "Povezava, do katere poskušate dostopati, ni del vašega paketa za delo brez povezave in zahteva internetno povezavo.",
+	"external-link-advice.p2": "Če se lahko povežete z internetom, lahko poskusite odpreti povezavo.",
+	"external-link-advice.p3": "Na vsebino ZIM brez povezave se lahko vrnete tudi z gumbom za nazaj v brskalniku.",
 	"fulltext-search-unavailable": "Iskanje po celotnem besedilu ni na voljo",
 	"no-search-results": "Iskalnik po celotnem besedilu za to vsebino ni na voljo.",
 	"search-results-page-title": "Iskanje: {{SEARCH_PATTERN}}",
@@ -33,10 +49,10 @@
 	"empty-search-results-page-header": "Ni zadetkov za »<b>{{{SEARCH_PATTERN}}}</b>«",
 	"search-result-book-info": "iz {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} besed",
-	"library-button-text": "Pojdite na pozdravno stran",
-	"home-button-text": "Pojdite na glavno stran »{{BOOK_TITLE}}«",
-	"random-page-button-text": "Pojdite na naključno izbrano stran",
-	"searchbox-tooltip": "Poiščite »{{BOOK_TITLE}}«",
+	"library-button-text": "Pojdi na pozdravno stran",
+	"home-button-text": "Pojdi na glavno stran »{{{BOOK_TITLE}}}«",
+	"random-page-button-text": "Pojdi na naključno izbrano stran",
+	"searchbox-tooltip": "Poiščite »{{{BOOK_TITLE}}}«",
 	"confusion-of-tongues": "V iskanju bi bili uporabljeni dve ali več knjig v različnih jezikih, kar lahko pripelje do nejasnih zadetkov.",
 	"welcome-page-overzealous-filter": "Ni zadetkov. Želite <a href=\"{{URL}}\">ponastaviti filter</a>?",
 	"powered-by-kiwix-html": "Omogoča <a href=\"https://kiwix.org\">Kiwix</a>",
@@ -46,20 +62,31 @@
 	"count-of-matching-books": "{{COUNT}} knjiga(i/e)",
 	"download": "Prenesi",
 	"direct-download-link-text": "Neposredno",
-	"direct-download-alt-text": "neposredni prenos",
-	"hash-download-link-text": "Zgoščena vrednost SHA256",
-	"hash-download-alt-text": "prenesi zgoščeno vrednost",
+	"direct-download-alt-text": "Neposredni prenos prek HTTP(S)",
+	"hash-download-link-text": "Kontrolna vsota SHA-256",
+	"hash-download-alt-text": "Prikaz kontrolne vsote SHA-256 datoteke",
 	"magnet-link-text": "Magnetna povezava",
-	"magnet-alt-text": "prenesi magnet",
-	"torrent-download-link-text": "Torrent datoteka",
-	"torrent-download-alt-text": "prenesi torrent",
+	"magnet-alt-text": "Prenos prek magnetne povezave",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "Prenos prek BitTorrenta",
 	"library-opds-feed-all-entries": "Knjižnični vir OPDS – Vsi vnosi",
-	"filter-by-tag": "Filtriraj po oznaki »{{TAG}}«",
-	"stop-filtering-by-tag": "Ustavi filtriranje po oznaki »{{TAG}}«",
+	"filter-by-tag": "Filtriraj po oznaki »{{{TAG}}}«",
+	"stop-filtering-by-tag": "Ustavi filtriranje po oznaki »{{{TAG}}}«",
 	"library-opds-feed-parameterised": "Knjižnični vir OPDS – vnosi, ki se ujemajo z {{#LANG}}\nJezik: {{LANG}} {{/LANG}}{{#CATEGORY}}\nKategorija: {{CATEGORY}} {{/CATEGORY}} {{#TAG}}\nOznaka: {{TAG}} {{/TAG}}{{#Q}}\nPoizvedba: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Pozdravljeni na strežniku Kiwix",
 	"download-links-heading": "Povezave za prenos za <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Prenesi knjigo",
 	"preview-book": "Predogled",
-	"unknown-error": "Neznana napaka"
+	"unknown-error": "Neznana napaka",
+	"book-category.wikibooks": "Wikiknjige",
+	"book-category.wikinews": "Wikinovice",
+	"book-category.wikipedia": "Wikipedija",
+	"book-category.wikiquote": "Wikinavedek",
+	"book-category.wikisource": "Wikivir",
+	"book-category.wikispecies": "Wikivrste",
+	"book-category.wikiversity": "Wikiverza",
+	"book-category.wikivoyage": "Wikipotovanje",
+	"book-category.wiktionary": "Wikislovar",
+	"book-category.other": "Drugo",
+	"text-loading-content": "Nalaganje vsebine"
 }

static/skin/i18n/sq.json

@@ -13,6 +13,7 @@
 	"suggest-search": "Bëni një kërkim të plotë teksti për <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>",
 	"random-article-failure": "Oh! S’u arrit të merrej një artikull kuturu :(",
 	"invalid-raw-data-type": "{{DATATYPE}} s’është varg i vlefshëm kërkimi për lëndë të papërpunuar.",
+	"invalid-request": "URL-ja e kërkuar “{{{url}}}” s’është kërkesë e vlefshme.",
 	"no-value-for-arg": "S’u dha vlerë për argumentin {{ARGUMENT}}",
 	"no-query": "S’u dha varg kërkimi.",
 	"raw-entry-not-found": "S’gjendet dot zëri {{DATATYPE}} {{ENTRY}}",
@@ -22,8 +23,14 @@
 	"404-page-heading": "S’u Gjet",
 	"500-page-title": "Gabim i Brendshëm Shërbyesi",
 	"500-page-heading": "Gabim i Brendshëm Shërbyesi",
+	"500-page-text": "Ndodhi një gabim i brendshëm shërbyesi. Na ndjeni për këtë :/",
 	"fulltext-search-unavailable": "Kërkim teksti të plotë jo i mundshëm",
 	"no-search-results": "S’është i passhëm motori i kërkimit të tekstit të plotë për këtë lëndë.",
+	"search-results-page-title": "Kërkim: {{SEARCH_PATTERN}}",
+	"search-results-page-header": "Përfundime <b>{{START}}-{{END}}</b> nga <b>{{COUNT}}</b> gjithsej për <b>\"{{{SEARCH_PATTERN}}}\"</b>",
+	"empty-search-results-page-header": "S’u gjetën përfundime për <b>“{{{SEARCH_PATTERN}}}”</b>",
+	"search-result-book-info": "nga {{BOOK_TITLE}}",
+	"word-count": "{{COUNT}} fjalë",
 	"library-button-text": "Kalo te faqja e mirëseardhjes",
 	"home-button-text": "Kalo te faqja krye e '{{BOOK_TITLE}}'",
 	"random-page-button-text": "Kalo te një faqe e përzgjedhur kuturu",
@@ -37,19 +44,30 @@
 	"count-of-matching-books": "{{COUNT}} libër(a)",
 	"download": "Shkarkoje",
 	"direct-download-link-text": "Drejtpërsëdrejti",
-	"direct-download-alt-text": "shkarkim i drejtpërdrejt",
-	"hash-download-link-text": "Hash sha256",
-	"hash-download-alt-text": "shkarko hashin",
+	"direct-download-alt-text": "Shkarkoje drejtpërsëdrejti përmes HTTP(S)",
+	"hash-download-link-text": "“Checksum” SHA-256",
+	"hash-download-alt-text": "Shfaq “checksum” SHA-256 kartele",
 	"magnet-link-text": "Lidhje Magnet",
-	"magnet-alt-text": "shkarko magnetin",
-	"torrent-download-link-text": "Kartelë Torrent",
-	"torrent-download-alt-text": "shkarko torrent-in",
+	"magnet-alt-text": "Shkarkoje përmes lidhjeje Magnet",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "Shkarkoje përmes BitTorrent-it",
 	"library-opds-feed-all-entries": "Prurje OPDS Biblioteke - Krejt zërat",
-	"filter-by-tag": "Filtroji sipas etiketës “{{TAG}}”",
-	"stop-filtering-by-tag": "Resht së filtruari sipas etiketë “{{TAG}}”",
+	"filter-by-tag": "Filtroji sipas etikete “{{{TAG}}}”",
+	"stop-filtering-by-tag": "Resht së filtruari sipas etikete “{{{TAG}}}”",
 	"library-opds-feed-parameterised": "Prurje OPDS Biblioteke - zëra që kanë përputhje me {{#LANG}}\nGjuhë: {{LANG}} {{/LANG}}{{#CATEGORY}}\nKategori: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nEtiketë: {{TAG}} {{/TAG}}{{#Q}}\nVarg Kërkimi: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Mirë se vini në Shërbyesin Kiwix",
 	"download-links-heading": "Lidhje shkarkimi për <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Shkarkoje librin",
-	"preview-book": "Paraparje"
+	"preview-book": "Paraparje",
+	"unknown-error": "Gabim i panjohur",
+	"book-category.wikibooks": "Wikibooks",
+	"book-category.wikinews": "Wikinews",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikispecies",
+	"book-category.wikiversity": "Wikiversity",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "Wiktionary",
+	"book-category.other": "Tjetër"
 }

static/skin/i18n/sv.json

@@ -1,7 +1,9 @@
 {
 	"@metadata": {
 		"authors": [
+			"Apq",
 			"Jopparn",
+			"Larsa",
 			"Rofiatmustapha12",
 			"Sabelöga",
 			"WikiPhoenix"
@@ -24,9 +26,25 @@
 	"400-page-heading": "Ogiltig begäran",
 	"404-page-title": "Innehållet hittades inte",
 	"404-page-heading": "Hittades inte",
+	"new-404-page-title": "Sidan kunde inte hittas",
+	"new-404-page-heading": "Hoppsan. Sidan hittades inte.",
+	"404-img-text": "Hittades ej!",
+	"path-was-not-found": "Den begärda sökvägen hittades ej:",
+	"404-advice.p1": "Innehållet du letar efter kan fortfarande vara tillgängligt, men det kan finnas på en annan plats i ZIM-filen.",
+	"404-advice.p2": "Vänligen:",
+	"404-advice.p3": "Försök att använda sökfunktionen för att hitta det innehåll du vill ha",
+	"404-advice.p4": "Leta efter nyckelord eller titlar relaterade till den information du söker",
+	"404-advice.p5": "Den här metoden bör hjälpa dig att hitta önskat innehåll, även om den ursprungliga länken inte fungerar korrekt.",
 	"500-page-title": "Internt serverfel",
-	"500-page-heading": "Internt serverfel",
-	"500-page-text": "Ett internt serverfel uppstod. Vi ber om ursäkt för det :/",
+	"500-page-heading": "Hoppsan. Sidan fungerar inte.",
+	"500-page-text": "Den begärda sökvägen kan inte levereras korrekt:",
+	"500-img-text": "Sidan fungerar ej",
+	"external-link-detected": "Extern länk upptäckt",
+	"caution-warning": "Varning!",
+	"external-link-intro": "Du är på väg att lämna Kiwix ZIM-läsare för att gå online till",
+	"external-link-advice.p1": "Länken du försöker komma åt är inte en del av ditt offlinepaket och kräver en internetanslutning.",
+	"external-link-advice.p2": "Om du kan gå online kan du försöka öppna länken.",
+	"external-link-advice.p3": "Du kan annars återgå till ditt ZIM-innehåll offline genom att använda webbläsarens bakåtknapp.",
 	"fulltext-search-unavailable": "Fulltextsökning är inte tillgänglig",
 	"no-search-results": "Sökmaskinen för fulltext är inte tillgänglig för detta innehåll.",
 	"search-results-page-title": "Sök: {{SEARCH_PATTERN}}",
@@ -35,9 +53,9 @@
 	"search-result-book-info": "från {{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} ord",
 	"library-button-text": "Gå till hemsidan",
-	"home-button-text": "Gå till huvudsidan för \"{{BOOK_TITLE}}\"",
+	"home-button-text": "Gå till huvudsidan för '{{{BOOK_TITLE}}}'",
 	"random-page-button-text": "Gå till en slumpmässigt utvald sida",
-	"searchbox-tooltip": "Sök efter \"{{BOOK_TITLE}}\"",
+	"searchbox-tooltip": "Sök '{{{BOOK_TITLE}}}'",
 	"confusion-of-tongues": "Två eller fler böcker på olika språk skulle delta i sökningen, vilket kan ge förvirrande resultat.",
 	"welcome-page-overzealous-filter": "Inga resultat. Vill du <a href=\"{{URL}}\">återställa filtret</a>?",
 	"powered-by-kiwix-html": "Drivs av&nbsp;<a href=\"https://kiwix.org\">Kiwix</a>",
@@ -55,12 +73,23 @@
 	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "Ladda ner via BitTorrent",
 	"library-opds-feed-all-entries": "Library OPDS Feed - Alla poster",
-	"filter-by-tag": "Filtrera efter taggen \"{{TAG}}\"",
-	"stop-filtering-by-tag": "Sluta filtrera efter taggen \"{{TAG}}\"",
+	"filter-by-tag": "Filtrera efter taggen \"{{{TAG}}}\"",
+	"stop-filtering-by-tag": "Sluta filtrera efter taggen \"{{{TAG}}}\"",
 	"library-opds-feed-parameterised": "Library OPDS Feed - poster som matchar {{#LANG}}\nSpråk: {{LANG}} {{/LANG}}{{#CATEGORY}}\nKategori: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nTagg: {{TAG}} {{/TAG}}{{#Q}}\nFråga: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Välkommen till Kiwix Server",
 	"download-links-heading": "Nedladdningslänkar för <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Ladda ned bok",
 	"preview-book": "Förhandsgranska",
-	"unknown-error": "Okänt fel"
+	"unknown-error": "Okänt fel",
+	"book-category.wikibooks": "Wikibooks",
+	"book-category.wikinews": "Wikinews",
+	"book-category.wikipedia": "Wikipedia",
+	"book-category.wikiquote": "Wikiquote",
+	"book-category.wikisource": "Wikisource",
+	"book-category.wikispecies": "Wikispecies",
+	"book-category.wikiversity": "Wikiversity",
+	"book-category.wikivoyage": "Wikivoyage",
+	"book-category.wiktionary": "Wiktionary",
+	"book-category.other": "Övriga",
+	"text-loading-content": "Laddar innehåll"
 }

static/skin/i18n/sw.json

@@ -1,6 +1,8 @@
 {
 	"@metadata": {
 		"authors": [
+			"Joeamj",
+			"Muddyb",
 			"Peggy",
 			"Wangombe"
 		]
@@ -40,7 +42,7 @@
 	"welcome-page-overzealous-filter": "Hakuna matokeo. Je, ungependa <a href=\"{{URL}}\">kuweka upya kichujio</a> ?",
 	"powered-by-kiwix-html": "Inaendeshwa na <a href=\"https://kiwix.org\">Kiwix</a>",
 	"search": "Tafuta",
-	"book-filtering-all-categories": "Kategoria Zote",
+	"book-filtering-all-categories": "Jamii Zote",
 	"book-filtering-all-languages": "Lugha zote",
 	"count-of-matching-books": "Vitabu {{COUNT}}",
 	"download": "Pakua",
@@ -60,5 +62,6 @@
 	"download-links-heading": "Pakua viungo vya <b><i>{{BOOK_TITLE}}</i></b>",
 	"download-links-title": "Pakua vitabu",
 	"preview-book": "Hakiki",
-	"unknown-error": "Hitilafu isiyojulikana"
+	"unknown-error": "Hitilafu isiyojulikana",
+	"text-loading-content": "Inapakia Maudhui"
 }

static/skin/i18n/te.json

@@ -1,7 +1,6 @@
 {
 	"@metadata": {
 		"authors": [
-			"Amire80",
 			"Chaduvari",
 			"Rishitha 1238",
 			"V Bhavya"

static/skin/i18n/test.json

@@ -13,6 +13,25 @@
 	, "400-page-heading": "[I18N TESTING] -400 karma for an invalid request"
 	, "404-page-title": "[I18N TESTING] Not Found - Try Again"
 	, "404-page-heading": "[I18N TESTING] Content not found, but at least the server is alive"
+	, "new-404-page-title" : "Page [I18N] not [TESTING] found"
+	, "new-404-page-heading" : "[I18N TESTING] Oops. Larry Page could not be reached. He may be on paternity leave."
+	, "404-img-text": "[I18N] Not found! [TESTING]"
+	, "path-was-not-found": "[I18N TESTING] The requested path was not found (in fact, nothing was found instead, either):"
+	, "404-advice.p1": "Sh*t happens. [I18N TESTING] Take it easy!"
+	, "404-advice.p2": "[I18N TESTING] Try one of the following:"
+	, "404-advice.p3": "[I18N TESTING] Check the spelling of the URL path"
+	, "404-advice.p4": "[I18N TESTING] Press the dice button"
+	, "404-advice.p5": "Good luck! [I18N TESTING]"
+	, "500-page-title" : "[I18N] Internal Server Error [TESTING]"
+	, "500-page-heading" : "Oops. [I18N] Page isn't [TESTING] working."
+	, "500-page-text": "The requested path [I18N TESTING] cannot be properly delivered:"
+	, "500-img-text": "Page [I18N] isn't [TESTING] working"
+	, "external-link-detected" : "External [I18] Link [TESTING] Detected"
+	, "caution-warning" : "[I18N] C5n! [TESTING]"
+	, "external-link-intro" : "[I18N TESTING] The following link may lead you to a place from which you won't ever be able to return"
+	, "external-link-advice.p1": "[I18N TESTING] The link you're trying to access points past the end of the ZIM file."
+	, "external-link-advice.p2": "[I18N TESTING] If you are an optimist, you can attempt to open the link."
+	, "external-link-advice.p3": "[I18N TESTING] But we strongly recommend you to be reasonable and press your browser's back button."
 	, "library-button-text": "[I18N TESTING] Navigate to the welcome page"
 	, "home-button-text": "[I18N TESTING] Jump to the main page of '{{BOOK_TITLE}}'"
 	, "random-page-button-text": "[I18N TESTING] I am tired of determinism"
@@ -65,4 +84,5 @@
 	, "book-category.wikivoyage": "[I18N] Wikivoyage [TESTING]"
 	, "book-category.wiktionary": "[I18N] Wiktionary [TESTING]"
 	, "book-category.other": "[I18N] Other [TESTING]"
+	, "text-loading-content": "[I18N TESTING] Loading content"
 }

static/skin/i18n/tr.json

@@ -2,7 +2,8 @@
 	"@metadata": {
 		"authors": [
 			"Hedda",
-			"Rofiatmustapha12"
+			"Rofiatmustapha12",
+			"SaldırganSincap"
 		]
 	},
 	"name": "Türkçe",
@@ -23,8 +24,8 @@
 	"404-page-title": "içerik bulunamadı",
 	"404-page-heading": "Bulunamadı",
 	"500-page-title": "İç Sunucu Hatası",
-	"500-page-heading": "İç Sunucu Hatası",
-	"500-page-text": "Dahili bir sunucu hatası oluştu. Bunun için üzgünüz :/",
+	"500-page-heading": "Üzgünüz. Sayfa çalışmıyor.",
+	"500-page-text": "İstenen yol düzgün bir şekilde teslim edilemiyor:",
 	"fulltext-search-unavailable": "Tam metin araması kullanılamıyor",
 	"no-search-results": "Tam metin arama motoru bu içerik için kullanılamaz.",
 	"search-results-page-title": "Arama: {{SEARCH_PATTERN}}",
@@ -33,9 +34,9 @@
 	"search-result-book-info": "{{BOOK_TITLE}} adlı kitaptan",
 	"word-count": "{{COUNT}} kelime",
 	"library-button-text": "Karşılama sayfasına git",
-	"home-button-text": "'{{BOOK_TITLE}}' anasayfasına gidin",
+	"home-button-text": "'{{{BOOK_TITLE}}}' ana sayfasına git",
 	"random-page-button-text": "Rastgele seçilen bir sayfaya git",
-	"searchbox-tooltip": "'{{BOOK_TITLE}}' ara",
+	"searchbox-tooltip": "'{{{BOOK_TITLE}}}' ara",
 	"confusion-of-tongues": "Aramaya farklı dillerde iki veya daha fazla kitap katılacak ve bu da kafa karıştırıcı sonuçlara yol açabilecektir.",
 	"welcome-page-overzealous-filter": "Sonuç yok. <a href=\"{{URL}}\">Filtreyi sıfırlamak</a> ister misiniz?",
 	"powered-by-kiwix-html": "<a href=\"https://kiwix.org\">Kiwix</a> tarafından desteklenmektedir",
@@ -45,16 +46,16 @@
 	"count-of-matching-books": "{{COUNT}} kitap",
 	"download": "İndir",
 	"direct-download-link-text": "Doğrudan",
-	"direct-download-alt-text": "direkt indirme",
-	"hash-download-link-text": "Sha256 haşesi",
-	"hash-download-alt-text": "csv indir",
+	"direct-download-alt-text": "Doğrudan HTTP(S) üzerinden indir",
+	"hash-download-link-text": "SHA-256 sağlama toplamı",
+	"hash-download-alt-text": "SHA-256 dosya toplam kontrolünü görüntüle",
 	"magnet-link-text": "Mıknatıs bağlantısı",
-	"magnet-alt-text": "mıknatısı indir",
-	"torrent-download-link-text": "Hedef dosya",
-	"torrent-download-alt-text": "torrenti indir",
+	"magnet-alt-text": "Mıknatıs bağlantısıyla indir",
+	"torrent-download-link-text": "BitTorrent",
+	"torrent-download-alt-text": "BitTorrent üzerinden indir",
 	"library-opds-feed-all-entries": "Kütüphane OPDS Akışı - Tüm girişler",
-	"filter-by-tag": "\"{{TAG}}\" etiketine göre filtrele",
-	"stop-filtering-by-tag": "\"{{TAG}}\" etiketine göre filtrelemeyi durdur",
+	"filter-by-tag": "\"{{{TAG}}}\" etiketine göre filtrele",
+	"stop-filtering-by-tag": "\"{{{TAG}}}\" etiketine göre filtrelemeyi durdur",
 	"library-opds-feed-parameterised": "Kütüphane OPDS Özet Akışı - {{#LANG}}\nLanguage: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategory: {{CATEGORY}} {{/CATEGORY}} ile eşleşen girişler {{#TAG}}\nTag: {{TAG}} {{/TAG}}{{#Q}}\nQuery: {{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "Kiwix Sunucusuna Hoş Geldiniz",
 	"download-links-heading": "<b><i>{{BOOK_TITLE}}</i></b> için indirme bağlantıları",

static/skin/i18n/zh-hans.json

@@ -1,9 +1,12 @@
 {
 	"@metadata": {
 		"authors": [
+			"Cyanjiang",
 			"GuoPC",
 			"IceButBin",
 			"Kichin",
+			"Peterxy12",
+			"Prmsh",
 			"StarrySky",
 			"Sunai",
 			"XtexChooser",
@@ -27,9 +30,25 @@
 	"400-page-heading": "无效请求",
 	"404-page-title": "未找到内容",
 	"404-page-heading": "未找到",
+	"new-404-page-title": "找不到页面",
+	"new-404-page-heading": "哎呀。页面未找到。",
+	"404-img-text": "未找到！",
+	"path-was-not-found": "未找到请求的路径：",
+	"404-advice.p1": "您正在寻找的内容可能仍然可用，但它可能位于 ZIM 文件中的不同位置。",
+	"404-advice.p2": "请：",
+	"404-advice.p3": "尝试使用搜索功能来查找您想要的内容",
+	"404-advice.p4": "查找与你正在寻找的信息相关的关键字或标题",
+	"404-advice.p5": "即使原始链接无法正常工作，这种方法也应该可以帮助您找到所需的内容。",
 	"500-page-title": "内部服务器错误",
-	"500-page-heading": "内部服务器错误",
-	"500-page-text": "内部服务器出现错误。真的十分抱歉 (⁠;⁠ŏ⁠﹏⁠ŏ~⁠)",
+	"500-page-heading": "哎呀。页面无法正常工作。",
+	"500-page-text": "请求的路径无法正确传递：",
+	"500-img-text": "页面无法正常工作",
+	"external-link-detected": "检测到外部链接",
+	"caution-warning": "警告！",
+	"external-link-intro": "你即将离开Kiwix的ZIM阅读器并打开网页",
+	"external-link-advice.p1": "你试图访问的链接不在你的离线包中，需要联网才能访问。",
+	"external-link-advice.p2": "如果您可以上网，您可以尝试打开该链接。",
+	"external-link-advice.p3": "您也可以使用浏览器的后退按钮返回 ZIM 的离线内容。",
 	"fulltext-search-unavailable": "全文搜索不可用",
 	"no-search-results": "全文搜索引擎不适用于该内容。",
 	"search-results-page-title": "搜索：{{SEARCH_PATTERN}}",
@@ -38,9 +57,9 @@
 	"search-result-book-info": "来自{{BOOK_TITLE}}",
 	"word-count": "{{COUNT}} 个字",
 	"library-button-text": "转到欢迎页面",
-	"home-button-text": "转到“{{BOOK_TITLE}}”的主页",
+	"home-button-text": "转到“{{{BOOK_TITLE}}}”的主页",
 	"random-page-button-text": "前往随机选择的页面",
-	"searchbox-tooltip": "搜索“{{BOOK_TITLE}}”",
+	"searchbox-tooltip": "搜索“{{{BOOK_TITLE}}}”",
 	"confusion-of-tongues": "两本或多本不同语言的图书将同时被搜索，这可能会导致搜索结果混乱。",
 	"welcome-page-overzealous-filter": "没有结果。您想<a href=\"{{URL}}\">重置过滤器</a>吗？",
 	"powered-by-kiwix-html": "由<a href=\"https://kiwix.org\">Kiwix</a>提供技术支持",
@@ -75,5 +94,6 @@
 	"book-category.wikiversity": "维基学院",
 	"book-category.wikivoyage": "维基导游",
 	"book-category.wiktionary": "维基词典",
-	"book-category.other": "其他"
+	"book-category.other": "其他",
+	"text-loading-content": "内容加载中"
 }

static/skin/i18n/zh-hant.json

@@ -23,9 +23,25 @@
 	"400-page-heading": "無效請求",
 	"404-page-title": "查無內容",
 	"404-page-heading": "查無頁面",
+	"new-404-page-title": "找不到頁面",
+	"new-404-page-heading": "哎呀，找不到頁面。",
+	"404-img-text": "找不到！",
+	"path-was-not-found": "找不到請求路徑。",
+	"404-advice.p1": "您正在尋找的內容可能仍然可用，只是可能位於 ZIM 檔案中的不同位置。",
+	"404-advice.p2": "請：",
+	"404-advice.p3": "嘗試使用搜尋功能來尋找您想要的內容",
+	"404-advice.p4": "查看與您正在尋找資訊相關的關鍵字或標題",
+	"404-advice.p5": "即使原始連結無法正常運作，這種方法應該可以幫助您發現到所需的內容。",
 	"500-page-title": "內部伺服器錯誤",
-	"500-page-heading": "內部伺服器錯誤",
-	"500-page-text": "內部伺服器發生錯誤。對此我們深感抱歉:/",
+	"500-page-heading": "哎呀，頁面無法正常運作。",
+	"500-page-text": "請求的路徑無法正確傳遞：",
+	"500-img-text": "頁面無法正常運作",
+	"external-link-detected": "偵測到外部連結",
+	"caution-warning": "注意！",
+	"external-link-intro": "您即將離開 Kiwix 的 ZIM 閱讀器，並上網到",
+	"external-link-advice.p1": "您嘗試存取的連結不在離線套件裡，需要網路連線。",
+	"external-link-advice.p2": "如果您可以連上網路，您可以嘗試開啟該連結。",
+	"external-link-advice.p3": "您也可以使用瀏覽器的返回按鈕跳回到 ZIM 離線內容。",
 	"fulltext-search-unavailable": "全文搜尋無效",
 	"no-search-results": "全文搜尋引擎不適用此內容。",
 	"search-results-page-title": "搜尋：{{SEARCH_PATTERN}}",
@@ -34,9 +50,9 @@
 	"search-result-book-info": "來自{{BOOK_TITLE}}",
 	"word-count": "{{COUNT}}個字",
 	"library-button-text": "前往歡迎首頁",
-	"home-button-text": "前往「{{BOOK_TITLE}}」的首頁",
+	"home-button-text": "前往「{{{BOOK_TITLE}}}」的首頁",
 	"random-page-button-text": "前往隨機選取頁面",
-	"searchbox-tooltip": "在{{BOOK_TITLE}}搜尋",
+	"searchbox-tooltip": "在「{{{BOOK_TITLE}}}」搜尋",
 	"confusion-of-tongues": "搜索裡有加入兩本或更多不同語言的書籍，這可能會導致混淆結果。",
 	"welcome-page-overzealous-filter": "沒有結果。您想要<a href=\"{{URL}}\">重新設定篩選</a>嗎？",
 	"powered-by-kiwix-html": "由 <a href=\"https://kiwix.org\">Kiwix</a> 提供技術支援",
@@ -53,10 +69,10 @@
 	"magnet-alt-text": "透過磁力連結下載",
 	"torrent-download-link-text": "BitTorrent",
 	"torrent-download-alt-text": "透過 BitTorrent 下載",
-	"library-opds-feed-all-entries": "圖書館 OPDS 摘要 - 所有項目",
-	"filter-by-tag": "依標籤「{{TAG}}」篩選",
-	"stop-filtering-by-tag": "停止依標籤「{{TAG}}」篩選",
-	"library-opds-feed-parameterised": "圖書館 OPDS 摘要 - 項目符合 {{#LANG}}\n語言：{{LANG}} {{/LANG}}{{#CATEGORY}}\n分類：{{CATEGORY}} {{/CATEGORY}}{{#TAG}}\n標籤：{{TAG}} {{/TAG}}{{#Q}}\n查詢：{{Q}} {{/Q}}",
+	"library-opds-feed-all-entries": "文庫 OPDS 摘要 - 所有項目",
+	"filter-by-tag": "依標籤「{{{TAG}}}」篩選",
+	"stop-filtering-by-tag": "停止依標籤「{{{TAG}}}」篩選",
+	"library-opds-feed-parameterised": "文庫 OPDS 摘要 - 項目符合 {{#LANG}}\n語言：{{LANG}} {{/LANG}}{{#CATEGORY}}\n分類：{{CATEGORY}} {{/CATEGORY}}{{#TAG}}\n標籤：{{TAG}} {{/TAG}}{{#Q}}\n查詢：{{Q}} {{/Q}}",
 	"welcome-to-kiwix-server": "歡迎來到 Kiwix 伺服器",
 	"download-links-heading": "下載<b><i>{{BOOK_TITLE}}</i></b>的連結",
 	"download-links-title": "下載書籍",
@@ -79,5 +95,6 @@
 	"book-category.wikiversity": "維基學院",
 	"book-category.wikivoyage": "維基導遊",
 	"book-category.wiktionary": "維基詞典",
-	"book-category.other": "其他"
+	"book-category.other": "其他",
+	"text-loading-content": "正在載入內容"
 }

static/skin/index.js

@@ -152,8 +152,21 @@
              : '';
     }
 
+    function addBookPreviewLink(html, bookXml) {
+        const bookContentLink = bookXml.querySelector('link[type="text/html"]');
+        if ( !bookContentLink )
+          return html;
+
+        const urlComponents = bookContentLink.getAttribute('href').split('/');
+        // bookContentLink URL = ROOT_URL/content/BOOK_NAME
+        const bookName = urlComponents.pop();
+        urlComponents.pop(); // drop 'content' component
+        const viewerLink = urlComponents.join('/') + `/viewer#${bookName}`;
+
+        return `<a class="book__link" href="${viewerLink}" data-hover="Preview">${html}</a>`;
+    }
+
     function generateBookHtml(book, sort = false) {
-        const link = book.querySelector('link[type="text/html"]').getAttribute('href');
         let iconUrl;
         book.querySelectorAll('link[rel="http://opds-spec.org/image/thumbnail"]').forEach(link => {
             if (link.getAttribute('type').split(';')[1] == 'width=48' && !iconUrl) {
@@ -183,9 +196,6 @@
         } catch {
             downloadLink = '';
         }
-        const bookName = link.split('/').pop();
-        const viewerLink = `${root}/viewer#${bookName}`;
-
         const humanFriendlyZimSize = humanFriendlySize(zimSize);
 
         const divTag = document.createElement('div');
@@ -197,9 +207,7 @@
         const faviconAttr = iconUrl != undefined ? `style="background-image: url('${iconUrl}')"` : '';
         const languageAttr = langCode != '' ? `title="${language}" aria-label="${language}"` : 'style="background-color: transparent"';
 
-        divTag.innerHTML = `
-            <div class="book__wrapper">
-            <a class="book__link" href="${viewerLink}" data-hover="Preview">
+        let bookLinkWrapper = `
             <div class="book__link__wrapper">
             <div class="book__icon" ${faviconAttr}></div>
             <div class="book__header">
@@ -207,7 +215,11 @@
             </div>
             <div class="book__description" title="${description}">${description}</div>
             </div>
-            </a>
+        `;
+
+        divTag.innerHTML = `
+            <div class="book__wrapper">
+            ${addBookPreviewLink(bookLinkWrapper, book)}
             <div class="book__meta">
             <div class="book__languageTag" ${languageAttr}>${getLanguageCodeToDisplay(langCode)}</div>
             <div class="book__tags"><div class="book__tags--wrapper">${tagHtml}</div></div>
@@ -238,7 +250,8 @@
             let finalValue = (keysToURIEncode.indexOf(key) >= 0) ? encodeURIComponent(value) : value;
             output += `&${key}=${finalValue}`;
         }
-        return output;
+        // exclude first char so the first params are not prefixed with &
+        return output.substring(1);
     }
 
     /* hack for library.kiwix.org magnet links (created by MirrorBrain)

static/skin/kiwix.css

@@ -13,6 +13,36 @@ html {
 body {
     position: relative;
     box-sizing: border-box;
+    background: #ffffff;
+}
+
+.loader {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  font-size: 24px;
+  background: rgba(255, 255, 255, 0.8);
+  padding: 10px 20px;
+  border-radius: 5px;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  white-space: nowrap; /* Prevents text from wrapping */
+  min-width: fit-content; /* Ensures the container doesn’t shrink */
+}
+
+.spinner {
+  width: 20px;
+  height: 20px;
+  border: 3px solid #ccc;
+  border-top: 3px solid #007bff;
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+}
+
+.hidden {
+  visibility: hidden;
 }
 
 ::selection {
@@ -72,6 +102,10 @@ body {
     padding: 20px;
 }
 
+#content_iframe {
+    background: #ffffff;
+}
+
 #uiLanguageSelector {
   display: none;
 }
@@ -96,6 +130,11 @@ body {
   height: 30px;
 }
 
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
 @font-face {
   font-family: "poppins";
   src: url("../skin/fonts/Poppins.ttf?KIWIXCACHEID") format("truetype");

static/skin/languages.js

@@ -2,12 +2,12 @@ const uiLanguages = [
   {
     "iso_code": "ar",
     "self_name": "الإنجليزية",
-    "translation_count": 25
+    "translation_count": 44
   },
   {
     "iso_code": "bn",
     "self_name": "বাংলা",
-    "translation_count": 14
+    "translation_count": 34
   },
   {
     "iso_code": "br",
@@ -27,7 +27,7 @@ const uiLanguages = [
   {
     "iso_code": "de",
     "self_name": "Deutsch",
-    "translation_count": 57
+    "translation_count": 67
   },
   {
     "iso_code": "el",
@@ -37,12 +37,12 @@ const uiLanguages = [
   {
     "iso_code": "en",
     "self_name": "English",
-    "translation_count": 58
+    "translation_count": 93
   },
   {
     "iso_code": "es",
     "self_name": "español",
-    "translation_count": 49
+    "translation_count": 67
   },
   {
     "iso_code": "fi",
@@ -52,7 +52,7 @@ const uiLanguages = [
   {
     "iso_code": "fr",
     "self_name": "Français",
-    "translation_count": 57
+    "translation_count": 84
   },
   {
     "iso_code": "ha",
@@ -62,22 +62,32 @@ const uiLanguages = [
   {
     "iso_code": "he",
     "self_name": "עברית",
-    "translation_count": 57
+    "translation_count": 80
   },
   {
     "iso_code": "hi",
     "self_name": "हिन्दी",
-    "translation_count": 49
+    "translation_count": 59
+  },
+  {
+    "iso_code": "hu",
+    "self_name": "Magyar",
+    "translation_count": 32
   },
   {
     "iso_code": "hy",
     "self_name": "Հայերեն",
-    "translation_count": 15
+    "translation_count": 26
   },
   {
     "iso_code": "ia",
     "self_name": "interlingua",
-    "translation_count": 57
+    "translation_count": 84
+  },
+  {
+    "iso_code": "id",
+    "self_name": "Bahasa Inggris",
+    "translation_count": 68
   },
   {
     "iso_code": "ig",
@@ -87,7 +97,7 @@ const uiLanguages = [
   {
     "iso_code": "it",
     "self_name": "italiano",
-    "translation_count": 38
+    "translation_count": 58
   },
   {
     "iso_code": "ja",
@@ -97,7 +107,7 @@ const uiLanguages = [
   {
     "iso_code": "ko",
     "self_name": "한국어",
-    "translation_count": 15
+    "translation_count": 73
   },
   {
     "iso_code": "ku-latn",
@@ -107,22 +117,27 @@ const uiLanguages = [
   {
     "iso_code": "lb",
     "self_name": "Lëtzebuergesch",
-    "translation_count": 22
+    "translation_count": 48
   },
   {
     "iso_code": "mk",
     "self_name": "македонски",
-    "translation_count": 57
+    "translation_count": 81
   },
   {
     "iso_code": "ms",
     "self_name": "Bahasa Melayu",
     "translation_count": 14
   },
+  {
+    "iso_code": "nb",
+    "self_name": "Engelsk",
+    "translation_count": 68
+  },
   {
     "iso_code": "nl",
     "self_name": "Nederlands",
-    "translation_count": 49
+    "translation_count": 68
   },
   {
     "iso_code": "nqo",
@@ -137,17 +152,27 @@ const uiLanguages = [
   {
     "iso_code": "pl",
     "self_name": "Polski",
-    "translation_count": 31
+    "translation_count": 32
   },
   {
     "iso_code": "pt-br",
     "self_name": "Português",
-    "translation_count": 35
+    "translation_count": 66
+  },
+  {
+    "iso_code": "pt",
+    "self_name": "português",
+    "translation_count": 67
+  },
+  {
+    "iso_code": "ro",
+    "self_name": "Engleză",
+    "translation_count": 68
   },
   {
     "iso_code": "ru",
     "self_name": "русский",
-    "translation_count": 57
+    "translation_count": 67
   },
   {
     "iso_code": "sc",
@@ -162,7 +187,7 @@ const uiLanguages = [
   {
     "iso_code": "skr-arab",
     "self_name": "سرائیکی",
-    "translation_count": 20
+    "translation_count": 33
   },
   {
     "iso_code": "sl",
@@ -172,17 +197,17 @@ const uiLanguages = [
   {
     "iso_code": "sq",
     "self_name": "Shqip",
-    "translation_count": 49
+    "translation_count": 67
   },
   {
     "iso_code": "sv",
     "self_name": "Svenska",
-    "translation_count": 57
+    "translation_count": 67
   },
   {
     "iso_code": "sw",
     "self_name": "Kiswahili",
-    "translation_count": 57
+    "translation_count": 58
   },
   {
     "iso_code": "te",
@@ -197,11 +222,11 @@ const uiLanguages = [
   {
     "iso_code": "zh-hans",
     "self_name": "简体中文",
-    "translation_count": 57
+    "translation_count": 68
   },
   {
     "iso_code": "zh-hant",
     "self_name": "繁體中文",
-    "translation_count": 57
+    "translation_count": 92
   }
 ]

static/skin/print.css

@@ -0,0 +1,3 @@
+#kiwixtoolbarwrapper {
+    display: none !important;
+}

static/skin/taskbar.css

@@ -34,6 +34,12 @@
     width: 20em;
 }
 
+#kiwixsearchbox {
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    overflow: hidden;
+}
+
 #kiwix_serve_taskbar_home_button button {
     overflow: hidden;
     text-overflow: ellipsis;

static/skin/viewer.js

@@ -10,6 +10,8 @@ let viewerState = {
   uiLanguage: 'en',
 };
 
+const FULL_ROOT_URL = `${window.location.origin}${root}`;
+
 function dropUserLang(query) {
   const q = new URLSearchParams(query);
   q.delete('userlang');
@@ -92,7 +94,10 @@ function makeJSLink(jsCodeString, linkText, linkAttr="") {
   // in the JS code we have to URI-encode a second time.
   // (see https://stackoverflow.com/questions/33721510)
   const uriEncodedJSCode = encodeURIComponent(jsCodeString);
-  return `<a ${linkAttr} href="javascript:${uriEncodedJSCode}">${linkText}</a>`;
+  const linkPlainText = htmlDecode(linkText, "text/html");
+  linkAttr += ` href="javascript:${uriEncodedJSCode}"`;
+  linkAttr += ` title="${linkPlainText}"`;
+  return `<a ${linkAttr}>${linkText}</a>`;
 }
 
 function suggestionsApiURL()
@@ -259,29 +264,23 @@ function handle_location_hash_change() {
 }
 
 function translateErrorPageIfNeeded() {
-  const cw = contentIframe.contentWindow;
-  if ( cw.KIWIX_RESPONSE_TEMPLATE && cw.KIWIX_RESPONSE_DATA ) {
-    const template = htmlDecode(cw.KIWIX_RESPONSE_TEMPLATE);
-
-    // cw.KIWIX_RESPONSE_DATA belongs to the iframe context and running
-    // I18n.render() on it directly in the top context doesn't work correctly
-    // because the type checks (obj.__proto__ == ???.prototype) in
-    // I18n.instantiateParameterizedMessages() always fail (String.prototype
-    // refers to different objects in different contexts).
-    // Work arround that issue by copying the object into our context.
-    const params = JSON.parse(JSON.stringify(cw.KIWIX_RESPONSE_DATA));
-
-    const html = I18n.render(template, params);
-    const htmlDoc = new DOMParser().parseFromString(html, "text/html");
-    cw.document.documentElement.innerHTML = htmlDoc.documentElement.innerHTML;
-  }
+  translatePageInWindow(contentIframe.contentWindow);
 }
 
+
+let iframeLocationHref = null;
+
 function handle_content_url_change() {
   const iframeLocation = contentIframe.contentWindow.location;
+
+  if ( iframeLocationHref == iframeLocation.href ||
+       !iframeLocation.pathname.startsWith(root + '/content/') )
+    return;
+
+  iframeLocationHref = iframeLocation.href;
   console.log('handle_content_url_change: ' + iframeLocation.href);
   document.title = contentIframe.contentDocument.title;
-  const iframeContentUrl = iframeLocation.pathname;
+  const iframeContentUrl = iframeLocation.pathname + iframeLocation.hash;
   const iframeContentQuery = iframeLocation.search;
   const newHash = iframeUrl2UserUrl(iframeContentUrl, iframeContentQuery);
   history.replaceState(viewerState, null, makeURL(location.search, newHash));
@@ -342,20 +341,38 @@ function setHrefAvoidingWombatRewriting(target, url) {
   target._no_rewrite = old_no_rewrite;
 }
 
+function linkShouldBeOpenedInANewWindow(linkElement, mouseEvent) {
+  return linkElement.getAttribute("target") == "_blank"
+      || mouseEvent.ctrlKey
+      || mouseEvent.shiftKey
+      || mouseEvent.metaKey /* on Macs */;
+}
+
+function goingToOpenALinkToAnUndisplayableResource(url) {
+  return !navigator.pdfViewerEnabled && url.pathname.endsWith('.pdf');
+}
+
 function onClickEvent(e) {
   const iframeDocument = contentIframe.contentDocument;
   const target = matchingAncestorElement(e.target, iframeDocument, "a");
   if (target !== null && "href" in target) {
     const target_href = getRealHref(target);
     const target_url = new URL(target_href, iframeDocument.location);
+    if ( target_url.href.startsWith(`${FULL_ROOT_URL}/viewer#`) &&
+         !linkShouldBeOpenedInANewWindow(target, e) ) {
+      contentIframe.contentWindow.parent.location = target_url;
+      e.preventDefault();
+      return;
+    }
     const isExternalAppUrl = urlMustBeHandledByAnExternalApp(target_url);
-    if ( isExternalAppUrl && !viewerSettings.linkBlockingEnabled ) {
+    if ( (isExternalAppUrl && !viewerSettings.linkBlockingEnabled)
+         || goingToOpenALinkToAnUndisplayableResource(target_url) ) {
         target.setAttribute("target", "_blank");
     }
 
     if (isExternalAppUrl || isExternalUrl(target_href)) {
       const possiblyBlockedLink = blockLink(target_href);
-      if ( e.ctrlKey || e.shiftKey ) {
+      if ( linkShouldBeOpenedInANewWindow(target, e) ) {
         // The link will be loaded in a new tab/window - update the link
         // and let the browser handle the rest.
         setHrefAvoidingWombatRewriting(target, possiblyBlockedLink);
@@ -398,21 +415,32 @@ this.Element && function(ElementPrototype) {
     }
 }(Element.prototype);
 
-function setup_external_link_blocker() {
-  setupEventHandler(contentIframe.contentDocument, 'a', 'click', onClickEvent);
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // End of external link blocking
 ////////////////////////////////////////////////////////////////////////////////
 
-let viewerSetupComplete = false;
+const internalUrlPrefix = `${FULL_ROOT_URL}/content/`;
+
+function setup_chaperon_mode() {
+  setupEventHandler(contentIframe.contentDocument, 'a', 'click', onClickEvent);
+  const links = contentIframe.contentDocument.getElementsByTagName('a');
+  for ( const a of links ) {
+    // XXX: wombat's possible involvement with href not taken into account
+    if ( a.hasAttribute('href') && a.href.startsWith(internalUrlPrefix) ) {
+      const userUrl = a.href.substr(internalUrlPrefix.length);
+      a.href = `${root}/viewer#${userUrl}`;
+    }
+  }
+}
 
 function on_content_load() {
-  if ( viewerSetupComplete ) {
-    handle_content_url_change();
-  }
-  setup_external_link_blocker();
+  const loader = document.getElementById("kiwix__loader");
+
+  contentIframe.classList.remove("hidden");
+  loader.style.display = "none";
+  contentIframe.contentWindow.onhashchange = handle_content_url_change;
+  setInterval(handle_content_url_change, 100);
+  setup_chaperon_mode();
 }
 
 function htmlDecode(input) {
@@ -560,6 +588,7 @@ function setupViewer() {
 
   const kiwixToolBarWrapper = document.getElementById('kiwixtoolbarwrapper');
   if ( ! viewerSettings.toolbarEnabled ) {
+    finishViewerSetup();
     return;
   }
 
@@ -597,15 +626,24 @@ function updateUIText() {
 
   setTitle(document.getElementById("kiwix_serve_taskbar_random_button"),
            $t("random-page-button-text"));
+
+  // Add translation for loading text as soon as translations are available
+  const loadingTextElement = document.getElementById("kiwix__loading_text");
+  if (loadingTextElement) {
+    loadingTextElement.textContent = $t("text-loading-content");
+  }
 }
 
 function finishViewerSetupOnceTranslationsAreLoaded()
 {
   updateUIText();
+  finishViewerSetup();
+}
+
+function finishViewerSetup()
+{
   handle_location_hash_change();
 
   window.onhashchange = handle_location_hash_change;
   window.onpopstate = handle_history_state_change;
-
-  viewerSetupComplete = true;
 }

static/templates/captured_external.html

@@ -1,14 +1,32 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-  <meta charset="UTF-8" />
-  <title>External link blocked</title>
-</head>
-<body class="kiwix">
-<h1>External link blocked</h1>
-<p>This instance of Kiwix protects you from accidentally going to external (out-of ZIM) links.</p>
-<p>If you intend to go to such locations, please click the link below.</p>
-<p><a href="{{ source }}">Go to {{ source }}</a></p>
-<div id="kiwixfooter">Powered by <a href="https://kiwix.org">Kiwix</a></div>
-</body>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>{{external_link_detected}}</title>
+    <link type="text/css" href="{{root}}/skin/error.css?KIWIXCACHEID" rel="Stylesheet" />
+    <script type="module" src="{{root}}/skin/i18n.js?KIWIXCACHEID"></script>
+    <script>
+      window.KIWIX_RESPONSE_TEMPLATE = "{{KIWIX_RESPONSE_TEMPLATE}}";
+      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};
+    </script>
+  </head>
+  <body>
+    <header>
+        <img src="{{root}}/skin/blocklink.svg?KIWIXCACHEID"
+             alt="{{caution_warning}}"
+             aria-label="{{caution_warning}}"
+             title="{{caution_warning}}">
+    </header>
+    <section class="intro">
+      <h1>{{external_link_detected}}</h1>
+      <p>{{external_link_intro}}</p>
+      <p><a href="{{url}}">{{ url }}</a></p>
+    </section>
+    <section class="advice">
+      <p>{{advice.p1}}</p>
+      <p>{{advice.p2}}</p>
+      <p>{{advice.p3}}</p>
+    </section>
+  </body>
 </html>

static/templates/catalog_v2_entry.xml

@@ -13,7 +13,8 @@
     {{#icons}}<link rel="http://opds-spec.org/image/thumbnail"
           href="{{root}}/catalog/v2/illustration/{{{id}}}/?size={{icon_size}}"
           type="{{icon_mimetype}};width={{icon_size}};height={{icon_size}};scale=1"/>
-    {{/icons}}<link type="text/html" href="{{root}}/content/{{{content_id}}}" />
+    {{/icons}}{{#contentAccessUrl}}<link type="text/html" href="{{contentAccessUrl}}/{{{content_id}}}" />
+    {{/contentAccessUrl}}
     <author>
       <name>{{author_name}}</name>
     </author>

static/templates/index.html

@@ -33,7 +33,6 @@
     <meta name="msapplication-config" content="{{root}}/skin/favicon/browserconfig.xml?KIWIXCACHEID">
     <meta name="theme-color" content="#ffffff">
     <script type="text/javascript" src="./skin/polyfills.js?KIWIXCACHEID"></script>
-    <script type="text/javascript" src="./viewer_settings.js"></script>
     <script type="module" src="{{root}}/skin/i18n.js?KIWIXCACHEID" defer></script>
     <script type="text/javascript" src="{{root}}/skin/languages.js?KIWIXCACHEID" defer></script>
     <script src="{{root}}/skin/isotope.pkgd.min.js?KIWIXCACHEID" defer></script>

static/templates/no_js_library_page.html

@@ -3,7 +3,6 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width,initial-scale=1" />
-    <link type="root" href="{{root}}">
     <title>{{translations.welcome-to-kiwix-server}}</title>
     <link
       type="text/css"
@@ -108,7 +107,7 @@
         <h3 class="kiwixHomeBody__results">{{translations.count-of-matching-books}}</h3>
         {{#books}}
         <div class="book__wrapper">
-            <a class="book__link" href="{{root}}/content/{{id}}" title="{{translations.preview-book}}" aria-label="{{translations.preview-book}}">
+            {{#contentAccessUrl}}<a class="book__link" href="{{contentAccessUrl}}/{{id}}" title="{{translations.preview-book}}" aria-label="{{translations.preview-book}}">{{/contentAccessUrl}}
             <div class="book__link__wrapper">
             <div class="book__icon" {{faviconAttr}}></div>
             <div class="book__header">
@@ -116,9 +115,9 @@
             </div>
             <div class="book__description" title="{{description}}">{{description}}</div>
             </div>
-            </a>
+            {{#contentAccessUrl}}</a>{{/contentAccessUrl}}
             <div class="book__meta">
-              <div class="book__languageTag" {{languageAttr}}>{{langCode}}</div>
+              <div class="book__languageTag" title="{{langTag.langFullString}}" aria-label="{{langTag.langFullString}}">{{langTag.langShortString}}</div>
               <div class="book__tags"><div class="book__tags--wrapper">
                   {{#tagList}}
                   <span class="tag__link" aria-label='{{tag}}' title='{{tag}}'>{{tag}}</span>

static/templates/search_result.html

@@ -117,10 +117,10 @@
               {{title}}
             </a>
             {{#snippet}}
-              <cite>{{>snippet}}...</cite>
+              <cite>{{{snippet}}}...</cite>
             {{/snippet}}
             {{#bookInfo}}
-              <div class="book-title">{{bookInfo}}</div>
+              <div class="book-title">{{{bookInfo}}}</div>
             {{/bookInfo}}
             {{#wordCountInfo}}
               <div class="informations">{{wordCountInfo}}</div>

static/templates/search_result.xml

@@ -21,7 +21,7 @@
       <title>{{title}}</title>
       <link>{{absolutePath}}</link>
       {{#snippet}}
-        <description>{{>snippet}}...</description>
+        <description>{{{snippet}}}...</description>
       {{/snippet}}
       {{#bookTitle}}
         <book>

static/templates/sexy404.html

@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>{{PAGE_TITLE}}</title>
+    <link type="text/css" href="{{root}}/skin/error.css?KIWIXCACHEID" rel="Stylesheet" />
+{{#KIWIX_RESPONSE_DATA}}    <script>
+      window.KIWIX_RESPONSE_TEMPLATE = "{{KIWIX_RESPONSE_TEMPLATE}}";
+      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};
+    </script>{{/KIWIX_RESPONSE_DATA}}
+  </head>
+  <body>
+    <header>
+        <img src="{{root}}/skin/404.svg?KIWIXCACHEID"
+             alt="{{404_img_text}}"
+             aria-label="{{404_img_text}}"
+             title="{{404_img_text}}">
+    </header>
+    <section class="intro">
+      <h1>{{PAGE_HEADING}}</h1>
+      <p>{{path_was_not_found_msg}}</p>
+      <p><code>{{url_path}}</code></p>
+    </section>
+    <section class="advice">
+      <p>{{advice.p1}}</p>
+      <p class="list-intro">{{advice.p2}}</p>
+      <ul>
+          <li>{{advice.p3}}</li>
+          <li>{{advice.p4}}</li>
+      </ul>
+      <p>{{advice.p5}}</p>
+    </section>
+  </body>
+</html>

static/templates/sexy500.html

@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>{{PAGE_TITLE}}</title>
+    <link type="text/css" href="{{root}}/skin/error.css?KIWIXCACHEID" rel="Stylesheet" />
+    <script>
+      window.KIWIX_RESPONSE_TEMPLATE = "{{KIWIX_RESPONSE_TEMPLATE}}";
+      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};
+    </script>
+  </head>
+  <body>
+    <header>
+        <img src="{{root}}/skin/500.svg?KIWIXCACHEID"
+             alt="{{500_img_text}}"
+             aria-label="{{500_img_text}}"
+             title="{{500_img_text}}">
+    </header>
+    <section class="intro">
+      <h1>{{PAGE_HEADING}}</h1>
+      <p>{{PAGE_TEXT}}</p>
+      <p><code>{{url_path}}</code></p>
+    </section>
+{{#error}}
+    <section class="advice">
+      <p>{{error}}</p>
+    </section>
+{{/error}}
+  </body>
+</html>

static/viewer.html

@@ -11,6 +11,7 @@
     <link type="text/css" href="./skin/kiwix.css?KIWIXCACHEID" rel="Stylesheet" />
     <link type="text/css" href="./skin/taskbar.css?KIWIXCACHEID" rel="Stylesheet" />
     <link type="text/css" href="./skin/autoComplete/css/autoComplete.css?KIWIXCACHEID" rel="Stylesheet" />
+    <link type="text/css" href="./skin/print.css?KIWIXCACHEID" media="print" rel="Stylesheet" />
     <script type="text/javascript" src="./skin/polyfills.js?KIWIXCACHEID"></script>
     <script type="text/javascript" src="./viewer_settings.js"></script>
     <script type="module" src="./skin/i18n.js?KIWIXCACHEID" defer></script>
@@ -33,6 +34,10 @@
   </head>
 
   <body style="margin:0" onload="setupViewer()">
+    <div class="loader" id="kiwix__loader">
+      <div class="spinner"></div>
+      <span id="kiwix__loading_text">Loading content...</span>
+    </div>
     <div class="kiwix" style="display:none" id="kiwixtoolbarwrapper">
       <div id="kiwixtoolbar" class="ui-widget-header">
         <div class="kiwix_centered">
@@ -78,7 +83,7 @@
       </div>
     </div>
 
-    <iframe id="content_iframe"
+    <iframe id="content_iframe" class="hidden"
             referrerpolicy="no-referrer"
             onload="on_content_load()"
             src="./skin/blank.html?KIWIXCACHEID" title="ZIM content" width="100%"

test/data/create_zim_file_for_testing_spelling_correction

@@ -0,0 +1,143 @@
+#!/usr/bin/env bash
+
+mydir=$(readlink -f "$(dirname "$0")")
+myname=$(basename "$0")
+cd "$mydir"
+
+zimfilename='spelling_correction_test.zim'
+
+rm -f "$zimfilename"
+
+datadir=$(mktemp -d --tmpdir $myname.XXXXXX)
+function cleanup()
+{
+    rm -rf "$datadir"
+}
+trap cleanup EXIT SIGINT SIGQUIT SIGHUP SIGTERM
+
+generate_html_file()
+{
+  local word="$1"
+  local letter_count=${#word}
+  local letters=""
+  local i
+  for (( i=0; i<letter_count; ++i ));
+  do
+    local l=${word:i:1}
+    if (( i == letter_count - 1 ))
+    then
+      letters+="and '$l'"
+    else
+      letters+="'$l', "
+    fi
+  done
+
+  cat >"$word".html <<END
+<!DOCTYPE html>
+<html>
+ <head>
+  <meta charset="utf-8" />
+  <title>$word</title>
+ </head>
+ <body>
+  <p>'$word' is a word consisting of the letters $letters.</p>
+ </body>
+</html>
+END
+}
+
+generate_zim_file_data()
+{
+  local titles=(
+      "Abenteuer"
+      "Applaus"
+      "Assistent"
+      "Attacke"
+      "Bewandtnis"
+      "Biene"
+      "Botschafter"
+      "Chaos"
+      "Entgelt"
+      "Entzündung"
+      "Fahrradschloss"
+      "Führerschein"
+      "Gral"
+      "Hierarchie"
+      "Honig"
+      "Impfung"
+      "Kamera"
+      "Konkurrenz"
+      "Lachs"
+      "Mond"
+      "Pflaster"
+      "Phänomen"
+      "Prise"
+      "Schirmmütze"
+      "Sohn"
+      "Stuhl"
+      "Teller"
+      "Thermoskanne"
+      "Trog"
+      "Umweltstandard"
+      "Unfug"
+      "Wohnzimmer"
+      "Zunge"
+      "aber"
+      "abonnieren"
+      "amtieren"
+      "attestieren"
+      "ausleeren"
+      "beißen"
+      "ebenfalls"
+      "enttäuschen"
+      "fort"
+      "gefleckt"
+      "gefährlich"
+      "gestern"
+      "gewähren"
+      "hässlich"
+      "konkurrieren"
+      "kämmen"
+      "lustig"
+      "müssen"
+      "nämlich"
+      "runterfallen"
+      "sanft"
+      "schubsen"
+      "seit"
+      "vorgestern"
+      "wahrscheinlich"
+
+      "Willkommen"
+
+      # Entries for demonstrating shortcomings of the PoC implementation
+      "Lorem ipsum"
+      "King"
+      "Kong"
+    )
+
+    local t
+    (
+    cd "$datadir"
+    cp "$mydir"/../../static/skin/favicon/favicon-32x32.png favicon.png
+    for t in "${titles[@]}";
+    do
+      generate_html_file "$t"
+    done
+    )
+}
+
+generate_zim_file_data
+zimwriterfs --withoutFTIndex --dont-check-arguments \
+            -w Willkommen.html \
+            -I favicon.png \
+            -l deu \
+            -n spelling_correction_test \
+            -t "Spelling corrections test" \
+            -d "ZIM file for testing spelling corrections" \
+            -c "Kiwix" \
+            -p "Kiwix" \
+            $datadir \
+            "$zimfilename" \
+&& echo "$zimfilename was successfully created" \
+|| echo '!!! Failed to create' "$zimfilename" '!!!' >&2

test/data/library.xml

@@ -51,4 +51,21 @@
         size="556"
         favicon="faviconMimeType_attribute_is_absent"
       ></book>
+  <book
+        id="inaccessiblezim"
+        path="./nosuchzimfile.zim"
+        url="https://github.com/kiwix/libkiwix/raw/master/test/data/nosuchzimfile.zim"
+        title="Catalog of all catalogs"
+        description="Testing that running kiwix-serve without access to ZIM files doesn't lead to a catastrophe"
+        language="cat"
+        creator="Catherine of Catalonia"
+        publisher="Caterpillar"
+        date="2025-09-04"
+        name="catalog_of_all_catalogs"
+        tags="unittest;_category:cats"
+        articleCount="12107"
+        mediaCount="8"
+        size="20250904"
+        favicon="Catania Cathedral"
+      ></book>
 </library>

test/library_server.cpp

@@ -18,9 +18,15 @@ protected:
   const int PORT = 8002;
 
 protected:
-  void resetServer(ZimFileServer::Options options) {
+  void resetServer(ZimFileServer::Cfg cfg) {
     zfs1_.reset();
-    zfs1_.reset(new ZimFileServer(PORT, options, "./test/library.xml"));
+    zfs1_.reset(new ZimFileServer(PORT, cfg, "./test/library.xml"));
+  }
+
+  void resetServer(ZimFileServer::Options options, std::string contentServerUrl="") {
+    ZimFileServer::Cfg cfg(options);
+    cfg.contentServerUrl = contentServerUrl;
+    resetServer(cfg);
   }
 
   void SetUp() override {
@@ -150,6 +156,30 @@ std::string maskVariableOPDSFeedData(std::string s)
   "125952"\
 )
 
+#define INACCESSIBLEZIMFILE_CATALOG_ENTRY \
+"  <entry>\n" \
+"    <id>urn:uuid:inaccessiblezim</id>\n" \
+"    <title>Catalog of all catalogs</title>\n" \
+"    <updated>YYYY-MM-DDThh:mm:ssZ</updated>\n" \
+"    <summary>Testing that running kiwix-serve without access to ZIM files doesn&apos;t lead to a catastrophe</summary>\n" \
+"    <language>cat</language>\n" \
+"    <name>catalog_of_all_catalogs</name>\n" \
+"    <flavour></flavour>\n" \
+"    <category>cats</category>\n" \
+"    <tags>unittest;_category:cats</tags>\n" \
+"    <articleCount>12107</articleCount>\n" \
+"    <mediaCount>8</mediaCount>\n" \
+"    <link type=\"text/html\" href=\"/ROOT%23%3F/content/nosuchzimfile\" />\n" \
+"    <author>\n" \
+"      <name>Catherine of Catalonia</name>\n" \
+"    </author>\n" \
+"    <publisher>\n" \
+"      <name>Caterpillar</name>\n" \
+"    </publisher>\n" \
+"    <dc:issued>2025-09-04T00:00:00Z</dc:issued>\n" \
+"    <link rel=\"http://opds-spec.org/acquisition/open-access\" type=\"application/x-zim\" href=\"https://github.com/kiwix/libkiwix/raw/master/test/data/nosuchzimfile.zim\" length=\"20736925696\" />\n" \
+"  </entry>\n"
+
 TEST_F(LibraryServerTest, catalog_root_xml)
 {
   const auto r = zfs1_->GET("/ROOT%23%3F/catalog/root.xml");
@@ -560,6 +590,15 @@ TEST_F(LibraryServerTest, catalog_v2_categories)
   <title>List of categories</title>
   <updated>YYYY-MM-DDThh:mm:ssZ</updated>
 
+  <entry>
+    <title>cats</title>
+    <link rel="subsection"
+          href="/ROOT%23%3F/catalog/v2/entries?category=cats"
+          type="application/atom+xml;profile=opds-catalog;kind=acquisition"/>
+    <updated>YYYY-MM-DDThh:mm:ssZ</updated>
+    <id>12345678-90ab-cdef-1234-567890abcdef</id>
+    <content type="text">All entries with category of 'cats'.</content>
+  </entry>
   <entry>
     <title>jazz</title>
     <link rel="subsection"
@@ -602,6 +641,16 @@ TEST_F(LibraryServerTest, catalog_v2_languages)
   <title>List of languages</title>
   <updated>YYYY-MM-DDThh:mm:ssZ</updated>
 
+  <entry>
+    <title>català</title>
+    <dc:language>cat</dc:language>
+    <thr:count>1</thr:count>
+    <link rel="subsection"
+          href="/ROOT%23%3F/catalog/v2/entries?lang=cat"
+          type="application/atom+xml;profile=opds-catalog;kind=acquisition"/>
+    <updated>YYYY-MM-DDThh:mm:ssZ</updated>
+    <id>12345678-90ab-cdef-1234-567890abcdef</id>
+  </entry>
   <entry>
     <title>English</title>
     <dc:language>eng</dc:language>
@@ -678,6 +727,49 @@ TEST_F(LibraryServerTest, catalog_v2_entries)
   );
 }
 
+TEST_F(LibraryServerTest, catalog_v2_entries_catalog_only_mode)
+{
+  const std::string contentServerUrl = "https://demo.kiwix.org";
+  const auto fixContentLinks = [=](std::string s) -> std::string {
+    s = replace(s, "/ROOT%23%3F/content", contentServerUrl + "/content");
+    return s;
+  };
+  resetServer(ZimFileServer::CATALOG_ONLY_MODE, contentServerUrl);
+  const auto r = zfs1_->GET("/ROOT%23%3F/catalog/v2/entries");
+  EXPECT_EQ(r->status, 200);
+
+  const std::string expectedOPDS =
+    CATALOG_V2_ENTRIES_PREAMBLE("")
+    "  <title>All Entries</title>\n"
+    "  <updated>YYYY-MM-DDThh:mm:ssZ</updated>\n"
+    "\n"
+    + fixContentLinks(CHARLES_RAY_CATALOG_ENTRY)
+    + fixContentLinks(INACCESSIBLEZIMFILE_CATALOG_ENTRY)
+    + fixContentLinks(RAY_CHARLES_CATALOG_ENTRY)
+    + fixContentLinks(UNCATEGORIZED_RAY_CHARLES_CATALOG_ENTRY) +
+    "</feed>\n";
+
+  EXPECT_EQ(maskVariableOPDSFeedData(r->body), expectedOPDS);
+
+  { // test with empty rootLocation
+    const auto fixRoot = [=](std::string s) -> std::string {
+      s = replace(s, "/ROOT%23%3F/", "/");
+      s = replace(s, "/ROOT%23%3F/", "/");
+      return s;
+    };
+
+    ZimFileServer::Cfg serverCfg;
+    serverCfg.root = "";
+    serverCfg.options = ZimFileServer::CATALOG_ONLY_MODE;
+    serverCfg.contentServerUrl = contentServerUrl;
+    resetServer(serverCfg);
+
+    const auto r = zfs1_->GET("/catalog/v2/entries");
+    EXPECT_EQ(r->status, 200);
+    EXPECT_EQ(maskVariableOPDSFeedData(r->body), fixRoot(expectedOPDS));
+  }
+}
+
 TEST_F(LibraryServerTest, catalog_v2_entries_filtered_by_range)
 {
   {
@@ -1185,11 +1277,10 @@ TEST_F(LibraryServerTest, no_name_mapper_catalog_v2_individual_entry_access)
   "  <head>\n" \
   "    <meta charset=\"UTF-8\" />\n" \
   "    <meta name=\"viewport\" content=\"width=device-width,initial-scale=1\" />\n" \
-  "    <link type=\"root\" href=\"/ROOT%23%3F\">\n" \
   "    <title>Welcome to Kiwix Server</title>\n" \
   "    <link\n" \
   "      type=\"text/css\"\n" \
-  "      href=\"/ROOT%23%3F/skin/kiwix.css?cacheid=2158fad9\"\n" \
+  "      href=\"/ROOT%23%3F/skin/kiwix.css?cacheid=b4e29e64\"\n" \
   "      rel=\"Stylesheet\"\n" \
   "    />\n" \
   "    <link\n" \
@@ -1251,7 +1342,7 @@ TEST_F(LibraryServerTest, no_name_mapper_catalog_v2_individual_entry_access)
   "            </div>\n" \
   "            </a>\n" \
   "            <div class=\"book__meta\">\n" \
-  "              <div class=\"book__languageTag\" >fra</div>\n" \
+  "              <div class=\"book__languageTag\" title=\"français\" aria-label=\"français\">fra</div>\n" \
   "              <div class=\"book__tags\"><div class=\"book__tags--wrapper\">\n" \
   "                  <span class=\"tag__link\" aria-label='unittest' title='unittest'>unittest</span>\n" \
   "                  <span class=\"tag__link\" aria-label='wikipedia' title='wikipedia'>wikipedia</span>\n" \
@@ -1278,7 +1369,7 @@ TEST_F(LibraryServerTest, no_name_mapper_catalog_v2_individual_entry_access)
   "            </div>\n" \
   "            </a>\n" \
   "            <div class=\"book__meta\">\n" \
-  "              <div class=\"book__languageTag\" >eng</div>\n" \
+  "              <div class=\"book__languageTag\" title=\"English\" aria-label=\"English\">eng</div>\n" \
   "              <div class=\"book__tags\"><div class=\"book__tags--wrapper\">\n" \
   "                  <span class=\"tag__link\" aria-label='public_tag_without_a_value' title='public_tag_without_a_value'>public_tag_without_a_value</span>\n" \
   "                  <span class=\"tag__link\" aria-label='wikipedia' title='wikipedia'>wikipedia</span>\n" \
@@ -1305,7 +1396,7 @@ TEST_F(LibraryServerTest, no_name_mapper_catalog_v2_individual_entry_access)
   "            </div>\n" \
   "            </a>\n" \
   "            <div class=\"book__meta\">\n" \
-  "              <div class=\"book__languageTag\" >rus,eng</div>\n" \
+  "              <div class=\"book__languageTag\" title=\"русский,English\" aria-label=\"русский,English\">mul</div>\n" \
   "              <div class=\"book__tags\"><div class=\"book__tags--wrapper\">\n" \
   "                  <span class=\"tag__link\" aria-label='public_tag_with_a_value:value_of_a_public_tag' title='public_tag_with_a_value:value_of_a_public_tag'>public_tag_with_a_value:value_of_a_public_tag</span>\n" \
   "                  <span class=\"tag__link\" aria-label='wikipedia' title='wikipedia'>wikipedia</span>\n" \
@@ -1320,6 +1411,32 @@ TEST_F(LibraryServerTest, no_name_mapper_catalog_v2_individual_entry_access)
   "            </div>\n" \
   "        </div>\n"
 
+#define INACCESSIBLEZIMFILE_BOOK_HTML \
+  "        <div class=\"book__wrapper\">\n" \
+  "            <a class=\"book__link\" href=\"/ROOT%23%3F/content/nosuchzimfile\" title=\"Preview\" aria-label=\"Preview\">\n" \
+  "            <div class=\"book__link__wrapper\">\n" \
+  "            <div class=\"book__icon\" style=background-image:url(/ROOT%23%3F/catalog/v2/illustration/inaccessiblezim/?size=48)></div>\n" \
+  "            <div class=\"book__header\">\n" \
+  "                <div id=\"book__title\">Catalog of all catalogs</div>\n" \
+  "            </div>\n" \
+  "            <div class=\"book__description\" title=\"Testing that running kiwix-serve without access to ZIM files doesn&apos;t lead to a catastrophe\">Testing that running kiwix-serve without access to ZIM files doesn&apos;t lead to a catastrophe</div>\n" \
+  "            </div>\n" \
+  "            </a>\n" \
+  "            <div class=\"book__meta\">\n" \
+  "              <div class=\"book__languageTag\" title=\"català\" aria-label=\"català\">cat</div>\n" \
+  "              <div class=\"book__tags\"><div class=\"book__tags--wrapper\">\n" \
+  "                  <span class=\"tag__link\" aria-label='unittest' title='unittest'>unittest</span>\n" \
+  "              </div>\n" \
+  "              </div>\n" \
+  "            </div>\n" \
+  "            <div>\n" \
+  "              <a class=\"book__download\" href=\"/ROOT%23%3F/nojs/download/nosuchzimfile\">\n" \
+  "                <img src=\"/ROOT%23%3F/skin/download-white.svg?cacheid=079ab989\">\n" \
+  "                <span>Download</span>\n" \
+  "              </a>\n" \
+  "            </div>\n" \
+  "        </div>\n"
+
 #define FINAL_HTML_TEXT \
   "        </div>\n" \
   "    </div>\n" \
@@ -1332,6 +1449,7 @@ TEST_F(LibraryServerTest, no_name_mapper_catalog_v2_individual_entry_access)
   "        <div class=\"kiwixNav__select\">\n" \
   "          <select name=\"lang\" id=\"languageFilter\" class='kiwixNav__kiwixFilter filter' form=\"kiwixSearchForm\">\n" \
   "            <option value=\"\" selected>All languages</option>\n" \
+  "            <option value=\"cat\">català</option>\n" \
   "            <option value=\"eng\"" SELECTED_ENG ">English</option>\n" \
   "            <option value=\"fra\">français</option>\n" \
   "            <option value=\"rus\">русский</option>\n" \
@@ -1340,6 +1458,7 @@ TEST_F(LibraryServerTest, no_name_mapper_catalog_v2_individual_entry_access)
   "        <div class=\"kiwixNav__select\">\n" \
   "          <select name=\"category\" id=\"categoryFilter\" class='kiwixNav__kiwixFilter filter' form=\"kiwixSearchForm\">\n" \
   "            <option value=\"\">All categories</option>\n" \
+  "            <option value=\"cats\">Cats</option>\n" \
   "            <option value=\"jazz\">Jazz</option>\n" \
   "            <option value=\"wikipedia\">Wikipedia</option>\n" \
   "          </select>\n" \
@@ -1453,4 +1572,47 @@ TEST_F(LibraryServerTest, noJS) {
   EXPECT_EQ(r->body, RAY_CHARLES_UNCTZ_DOWNLOAD);
 }
 
+TEST_F(LibraryServerTest, noJS_catalogOnlyMode) {
+  const std::string contentServerUrl = "https://demo.kiwix.org";
+  const auto fixContentLinks = [=](std::string s) -> std::string {
+    s = replace(s, "/ROOT%23%3F/content", contentServerUrl + "/content");
+    return s;
+  };
+
+  resetServer(ZimFileServer::CATALOG_ONLY_MODE, contentServerUrl);
+
+  auto r = zfs1_->GET("/ROOT%23%3F/nojs");
+  EXPECT_EQ(r->status, 200);
+
+  const std::string expectedHTML =
+            HTML_PREAMBLE
+            FILTERS_HTML("")
+            HOME_BODY_TEXT("4")
+            + fixContentLinks(CHARLES_RAY_BOOK_HTML)
+            + fixContentLinks(INACCESSIBLEZIMFILE_BOOK_HTML)
+            + fixContentLinks(RAY_CHARLES_BOOK_HTML)
+            + fixContentLinks(RAY_CHARLES_UNCTZ_BOOK_HTML)
+            + FINAL_HTML_TEXT;
+
+  EXPECT_EQ(r->body, expectedHTML);
+
+  { // test with empty rootLocation
+    const auto fixRoot = [=](std::string s) -> std::string {
+      s = replace(s, "/ROOT%23%3F/", "/");
+      return s;
+    };
+
+    ZimFileServer::Cfg serverCfg;
+    serverCfg.root = "";
+    serverCfg.options = ZimFileServer::CATALOG_ONLY_MODE;
+    serverCfg.contentServerUrl = contentServerUrl;
+
+    resetServer(serverCfg);
+
+    auto r = zfs1_->GET("/nojs");
+    EXPECT_EQ(r->status, 200);
+    EXPECT_EQ(r->body, fixRoot(expectedHTML));
+  }
+}
+
 #undef EXPECT_SEARCH_RESULTS

test/manager.cpp

@@ -88,6 +88,7 @@ TEST(Manager, reload)
   manager.reload({ "./test/library.xml" });
   EXPECT_EQ(lib->getBooksIds(), (kiwix::Library::BookIdCollection{
         "charlesray",
+        "inaccessiblezim",
         "raycharles",
         "raycharles_uncategorized"
   }));
@@ -95,12 +96,14 @@ TEST(Manager, reload)
   lib->removeBookById("raycharles");
   EXPECT_EQ(lib->getBooksIds(), (kiwix::Library::BookIdCollection{
         "charlesray",
+        "inaccessiblezim",
         "raycharles_uncategorized"
   }));
 
   manager.reload({ "./test/library.xml" });
   EXPECT_EQ(lib->getBooksIds(), kiwix::Library::BookIdCollection({
         "charlesray",
+        "inaccessiblezim",
         "raycharles",
         "raycharles_uncategorized"
   }));

test/meson.build

@@ -15,7 +15,8 @@ tests = [
     'server_helper',
     'lrucache',
     'i18n',
-    'response'
+    'response',
+    'spelling_correction'
 ]
 
 if build_machine.system() != 'windows'
@@ -42,6 +43,7 @@ if gtest_dep.found() and not meson.is_cross_build()
       'zimfile_raycharles_uncategorized.zim',
       'corner_cases#&.zim',
       'poor.zim',
+      'spelling_correction_test.zim',
       'library.xml',
       'lib_for_server_search_test.xml',
       'customized_resources.txt',

test/server.cpp

@@ -57,25 +57,27 @@ const ResourceCollection resources200Compressible{
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/autoComplete/autoComplete.min.js" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/autoComplete/autoComplete.min.js?cacheid=1191aaaf" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/autoComplete/css/autoComplete.css" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/autoComplete/css/autoComplete.css?cacheid=ef30cd42" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/autoComplete/css/autoComplete.css?cacheid=f2d376c4" },
+  { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/error.css" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/error.css?cacheid=b3fa90cf" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/i18n.js" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/i18n.js?cacheid=071abc9a" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/i18n.js?cacheid=e9a10ac1" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/index.css" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/index.css?cacheid=ae79e41a" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/index.js" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/index.js?cacheid=8f4b6a1e" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/index.js?cacheid=4e232c58" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/iso6391To3.js" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/iso6391To3.js?cacheid=ecde2bb3" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/isotope.pkgd.min.js" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/isotope.pkgd.min.js?cacheid=2e48d392" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/kiwix.css" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/kiwix.css?cacheid=2158fad9" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/kiwix.css?cacheid=b4e29e64" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/mustache.min.js" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/mustache.min.js?cacheid=bd23c4fb" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/taskbar.css" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/taskbar.css?cacheid=80d56607" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/taskbar.css?cacheid=42e90cb9" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/viewer.js" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/viewer.js?cacheid=aca897b0" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/viewer.js?cacheid=00e0fdf3" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/fonts/Poppins.ttf" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/fonts/Poppins.ttf?cacheid=af705837" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/fonts/Roboto.ttf" },
@@ -84,7 +86,7 @@ const ResourceCollection resources200Compressible{
   // TODO: implement cache management of i18n resources
   //{ STATIC_CONTENT, "/ROOT%23%3F/skin/i18n/test.json?cacheid=unknown" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/languages.js" },
-  { STATIC_CONTENT, "/ROOT%23%3F/skin/languages.js?cacheid=ee7d95b5" },
+  { STATIC_CONTENT, "/ROOT%23%3F/skin/languages.js?cacheid=08955948" },
 
   { DYNAMIC_CONTENT, "/ROOT%23%3F/catalog/search" },
 
@@ -92,6 +94,8 @@ const ResourceCollection resources200Compressible{
   { DYNAMIC_CONTENT, "/ROOT%23%3F/catalog/v2/entries" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/catalog/v2/partial_entries" },
 
+  { DYNAMIC_CONTENT, "/ROOT%23%3F/catch/external?source=www.example.com" },
+
   { DYNAMIC_CONTENT, "/ROOT%23%3F/search?content=zimfile&pattern=a" },
 
   { DYNAMIC_CONTENT, "/ROOT%23%3F/suggest?content=zimfile&term=ray" },
@@ -106,10 +110,16 @@ const ResourceCollection resources200Compressible{
 };
 
 const ResourceCollection resources200Uncompressible{
+  { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/404.svg" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/404.svg?cacheid=b6d648af" },
+  { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/500.svg" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/500.svg?cacheid=32eb0f20" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/bittorrent.png" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/bittorrent.png?cacheid=4f5c6882" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/blank.html" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/blank.html?cacheid=6b1fa032" },
+  { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/blocklink.svg" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/blocklink.svg?cacheid=bd56b116" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/caret.png" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/caret.png?cacheid=22b942b4" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/download.png" },
@@ -154,6 +164,8 @@ const ResourceCollection resources200Uncompressible{
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/search-icon.svg?cacheid=b10ae7ed" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/search_results.css" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/search_results.css?cacheid=76d39c84" },
+  { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/print.css" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/print.css?cacheid=65b1c1d2" },
 
   { ZIM_CONTENT,     "/ROOT%23%3F/raw/zimfile/meta/Title" },
   { ZIM_CONTENT,     "/ROOT%23%3F/raw/zimfile/meta/Description" },
@@ -172,8 +184,6 @@ const ResourceCollection resources200Uncompressible{
   { DYNAMIC_CONTENT, "/ROOT%23%3F/catalog/v2/searchdescription.xml" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/catalog/v2/illustration/6f1d19d0-633f-087b-fb55-7ac324ff9baf?size=48" },
 
-  { DYNAMIC_CONTENT, "/ROOT%23%3F/catch/external?source=www.example.com" },
-
   { ZIM_CONTENT,     "/ROOT%23%3F/content/zimfile/I/m/Ray_Charles_classic_piano_pose.jpg" },
 
   { ZIM_CONTENT,     "/ROOT%23%3F/content/corner_cases%23%26/empty.html" },
@@ -280,7 +290,7 @@ TEST_F(ServerTest, CacheIdsOfStaticResources)
   const std::vector<UrlAndExpectedResult> testData{
     {
       /* url */ "/ROOT%23%3F/",
-R"EXPECTEDRESULT(      href="/ROOT%23%3F/skin/kiwix.css?cacheid=2158fad9"
+R"EXPECTEDRESULT(      href="/ROOT%23%3F/skin/kiwix.css?cacheid=b4e29e64"
       href="/ROOT%23%3F/skin/index.css?cacheid=ae79e41a"
     <link rel="apple-touch-icon" sizes="180x180" href="/ROOT%23%3F/skin/favicon/apple-touch-icon.png?cacheid=f86f8df3">
     <link rel="icon" type="image/png" sizes="32x32" href="/ROOT%23%3F/skin/favicon/favicon-32x32.png?cacheid=79ded625">
@@ -290,11 +300,11 @@ R"EXPECTEDRESULT(      href="/ROOT%23%3F/skin/kiwix.css?cacheid=2158fad9"
     <link rel="shortcut icon" href="/ROOT%23%3F/skin/favicon/favicon.ico?cacheid=92663314">
     <meta name="msapplication-config" content="/ROOT%23%3F/skin/favicon/browserconfig.xml?cacheid=f29a7c4a">
     <script type="text/javascript" src="./skin/polyfills.js?cacheid=a0e0343d"></script>
-    <script type="module" src="/ROOT%23%3F/skin/i18n.js?cacheid=071abc9a" defer></script>
-    <script type="text/javascript" src="/ROOT%23%3F/skin/languages.js?cacheid=ee7d95b5" defer></script>
+    <script type="module" src="/ROOT%23%3F/skin/i18n.js?cacheid=e9a10ac1" defer></script>
+    <script type="text/javascript" src="/ROOT%23%3F/skin/languages.js?cacheid=08955948" defer></script>
     <script src="/ROOT%23%3F/skin/isotope.pkgd.min.js?cacheid=2e48d392" defer></script>
     <script src="/ROOT%23%3F/skin/iso6391To3.js?cacheid=ecde2bb3"></script>
-    <script type="text/javascript" src="/ROOT%23%3F/skin/index.js?cacheid=8f4b6a1e" defer></script>
+    <script type="text/javascript" src="/ROOT%23%3F/skin/index.js?cacheid=4e232c58" defer></script>
         <img src="/ROOT%23%3F/skin/feed.svg?cacheid=055b333f"
         <img src="/ROOT%23%3F/skin/langSelector.svg?cacheid=00b59961"
 )EXPECTEDRESULT"
@@ -321,13 +331,14 @@ R"EXPECTEDRESULT(                  <img src="${root}/skin/download-white.svg?cac
     },
     {
       /* url */ "/ROOT%23%3F/viewer",
-R"EXPECTEDRESULT(    <link type="text/css" href="./skin/kiwix.css?cacheid=2158fad9" rel="Stylesheet" />
-    <link type="text/css" href="./skin/taskbar.css?cacheid=80d56607" rel="Stylesheet" />
-    <link type="text/css" href="./skin/autoComplete/css/autoComplete.css?cacheid=ef30cd42" rel="Stylesheet" />
+R"EXPECTEDRESULT(    <link type="text/css" href="./skin/kiwix.css?cacheid=b4e29e64" rel="Stylesheet" />
+    <link type="text/css" href="./skin/taskbar.css?cacheid=42e90cb9" rel="Stylesheet" />
+    <link type="text/css" href="./skin/autoComplete/css/autoComplete.css?cacheid=f2d376c4" rel="Stylesheet" />
+    <link type="text/css" href="./skin/print.css?cacheid=65b1c1d2" media="print" rel="Stylesheet" />
     <script type="text/javascript" src="./skin/polyfills.js?cacheid=a0e0343d"></script>
-    <script type="module" src="./skin/i18n.js?cacheid=071abc9a" defer></script>
-    <script type="text/javascript" src="./skin/languages.js?cacheid=ee7d95b5" defer></script>
-    <script type="text/javascript" src="./skin/viewer.js?cacheid=aca897b0" defer></script>
+    <script type="module" src="./skin/i18n.js?cacheid=e9a10ac1" defer></script>
+    <script type="text/javascript" src="./skin/languages.js?cacheid=08955948" defer></script>
+    <script type="text/javascript" src="./skin/viewer.js?cacheid=00e0fdf3" defer></script>
     <script type="text/javascript" src="./skin/autoComplete/autoComplete.min.js?cacheid=1191aaaf"></script>
       const blankPageUrl = root + "/skin/blank.html?cacheid=6b1fa032";
           <label for="kiwix_button_show_toggle"><img src="./skin/caret.png?cacheid=22b942b4" alt=""></label>
@@ -339,6 +350,21 @@ R"EXPECTEDRESULT(    <link type="text/css" href="./skin/kiwix.css?cacheid=2158fa
       /* url */ "/ROOT%23%3F/content/zimfile/A/index",
       ""
     },
+    {
+      /* url */ "/ROOT%23%3F/content/invalid-book/whatever",
+R"EXPECTEDRESULT(    <link type="text/css" href="/ROOT%23%3F/skin/error.css?cacheid=b3fa90cf" rel="Stylesheet" />
+      window.KIWIX_RESPONSE_TEMPLATE = "&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n  &lt;head&gt;\n    &lt;meta charset=&quot;utf-8&quot;&gt;\n    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no&quot; /&gt;\n    &lt;title&gt;{{PAGE_TITLE}}&lt;/title&gt;\n    &lt;link type=&quot;text/css&quot; href=&quot;{{root}}/skin/error.css?cacheid=b3fa90cf&quot; rel=&quot;Stylesheet&quot; /&gt;\n{{#KIWIX_RESPONSE_DATA}}    &lt;script&gt;\n      window.KIWIX_RESPONSE_TEMPLATE = &quot;{{KIWIX_RESPONSE_TEMPLATE}}&quot;;\n      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    &lt;/script&gt;{{/KIWIX_RESPONSE_DATA}}\n  &lt;/head&gt;\n  &lt;body&gt;\n    &lt;header&gt;\n        &lt;img src=&quot;{{root}}/skin/404.svg?cacheid=b6d648af&quot;\n             alt=&quot;{{404_img_text}}&quot;\n             aria-label=&quot;{{404_img_text}}&quot;\n             title=&quot;{{404_img_text}}&quot;&gt;\n    &lt;/header&gt;\n    &lt;section class=&quot;intro&quot;&gt;\n      &lt;h1&gt;{{PAGE_HEADING}}&lt;/h1&gt;\n      &lt;p&gt;{{path_was_not_found_msg}}&lt;/p&gt;\n      &lt;p&gt;&lt;code&gt;{{url_path}}&lt;/code&gt;&lt;/p&gt;\n    &lt;/section&gt;\n    &lt;section class=&quot;advice&quot;&gt;\n      &lt;p&gt;{{advice.p1}}&lt;/p&gt;\n      &lt;p class=&quot;list-intro&quot;&gt;{{advice.p2}}&lt;/p&gt;\n      &lt;ul&gt;\n          &lt;li&gt;{{advice.p3}}&lt;/li&gt;\n          &lt;li&gt;{{advice.p4}}&lt;/li&gt;\n      &lt;/ul&gt;\n      &lt;p&gt;{{advice.p5}}&lt;/p&gt;\n    &lt;/section&gt;\n  &lt;/body&gt;\n&lt;/html&gt;\n";
+        <img src="/ROOT%23%3F/skin/404.svg?cacheid=b6d648af"
+)EXPECTEDRESULT"
+    },
+    {
+      /* url */ "/ROOT%23%3F/catch/external?source=https%3A%2F%2Fkiwix.org",
+R"EXPECTEDRESULT(    <link type="text/css" href="/ROOT%23%3F/skin/error.css?cacheid=b3fa90cf" rel="Stylesheet" />
+    <script type="module" src="/ROOT%23%3F/skin/i18n.js?cacheid=e9a10ac1"></script>
+      window.KIWIX_RESPONSE_TEMPLATE = "&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n  &lt;head&gt;\n    &lt;meta charset=&quot;utf-8&quot;&gt;\n    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no&quot; /&gt;\n    &lt;title&gt;{{external_link_detected}}&lt;/title&gt;\n    &lt;link type=&quot;text/css&quot; href=&quot;{{root}}/skin/error.css?cacheid=b3fa90cf&quot; rel=&quot;Stylesheet&quot; /&gt;\n    &lt;script type=&quot;module&quot; src=&quot;{{root}}/skin/i18n.js?cacheid=e9a10ac1&quot;&gt;&lt;/script&gt;\n    &lt;script&gt;\n      window.KIWIX_RESPONSE_TEMPLATE = &quot;{{KIWIX_RESPONSE_TEMPLATE}}&quot;;\n      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    &lt;/script&gt;\n  &lt;/head&gt;\n  &lt;body&gt;\n    &lt;header&gt;\n        &lt;img src=&quot;{{root}}/skin/blocklink.svg?cacheid=bd56b116&quot;\n             alt=&quot;{{caution_warning}}&quot;\n             aria-label=&quot;{{caution_warning}}&quot;\n             title=&quot;{{caution_warning}}&quot;&gt;\n    &lt;/header&gt;\n    &lt;section class=&quot;intro&quot;&gt;\n      &lt;h1&gt;{{external_link_detected}}&lt;/h1&gt;\n      &lt;p&gt;{{external_link_intro}}&lt;/p&gt;\n      &lt;p&gt;&lt;a href=&quot;{{url}}&quot;&gt;{{ url }}&lt;/a&gt;&lt;/p&gt;\n    &lt;/section&gt;\n    &lt;section class=&quot;advice&quot;&gt;\n      &lt;p&gt;{{advice.p1}}&lt;/p&gt;\n      &lt;p&gt;{{advice.p2}}&lt;/p&gt;\n      &lt;p&gt;{{advice.p3}}&lt;/p&gt;\n    &lt;/section&gt;\n  &lt;/body&gt;\n&lt;/html&gt;\n";
+        <img src="/ROOT%23%3F/skin/blocklink.svg?cacheid=bd56b116"
+)EXPECTEDRESULT"
+    },
     {
       // Searching in a ZIM file without a full-text index returns
       // a page rendered from static/templates/no_search_result_html
@@ -818,89 +844,6 @@ TEST_F(ServerTest, Http404HtmlError)
     </p>
 )"  },
 
-    { /* url */ "/ROOT%23%3F/content/invalid-book/whatever",
-      expected_kiwix_response_data==R"({ "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "url-not-found", "params" : { "url" : "/ROOT%23%3F/content/invalid-book/whatever" } } }, { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "whatever", "SEARCH_URL" : "/ROOT%23%3F/search?pattern=whatever" } } } ] })" &&
-      expected_body==R"(
-    <h1>Not Found</h1>
-    <p>
-      The requested URL "/ROOT%23%3F/content/invalid-book/whatever" was not found on this server.
-    </p>
-    <p>
-      Make a full text search for <a href="/ROOT%23%3F/search?pattern=whatever">whatever</a>
-    </p>
-)"  },
-
-    { /* url */ "/ROOT%23%3F/content/zimfile/invalid-article",
-      book_name=="zimfile" &&
-      book_title=="Ray Charles" &&
-      expected_kiwix_response_data==R"({ "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "url-not-found", "params" : { "url" : "/ROOT%23%3F/content/zimfile/invalid-article" } } }, { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "invalid-article", "SEARCH_URL" : "/ROOT%23%3F/search?content=zimfile&pattern=invalid-article" } } } ] })" &&
-      expected_body==R"(
-    <h1>Not Found</h1>
-    <p>
-      The requested URL "/ROOT%23%3F/content/zimfile/invalid-article" was not found on this server.
-    </p>
-    <p>
-      Make a full text search for <a href="/ROOT%23%3F/search?content=zimfile&pattern=invalid-article">invalid-article</a>
-    </p>
-)"  },
-
-    { /* url */ R"(/ROOT%23%3F/content/"><svg onload=alert(1)>)",
-      expected_kiwix_response_data==R"({ "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "url-not-found", "params" : { "url" : "/ROOT%23%3F/content/\"><svg onload%3Dalert(1)>" } } }, { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "\"><svg onload=alert(1)>", "SEARCH_URL" : "/ROOT%23%3F/search?pattern=%22%3E%3Csvg%20onload%3Dalert(1)%3E" } } } ] })" &&
-      expected_body==R"(
-    <h1>Not Found</h1>
-    <p>
-      The requested URL "/ROOT%23%3F/content/&quot;&gt;&lt;svg onload%3Dalert(1)&gt;" was not found on this server.
-    </p>
-    <p>
-      Make a full text search for <a href="/ROOT%23%3F/search?pattern=%22%3E%3Csvg%20onload%3Dalert(1)%3E">&quot;&gt;&lt;svg onload=alert(1)&gt;</a>
-    </p>
-)"  },
-
-    { /* url */ R"(/ROOT%23%3F/content/zimfile/"><svg onload=alert(1)>)",
-      book_name=="zimfile" &&
-      book_title=="Ray Charles" &&
-      expected_kiwix_response_data==R"({ "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "url-not-found", "params" : { "url" : "/ROOT%23%3F/content/zimfile/\"><svg onload%3Dalert(1)>" } } }, { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "\"><svg onload=alert(1)>", "SEARCH_URL" : "/ROOT%23%3F/search?content=zimfile&pattern=%22%3E%3Csvg%20onload%3Dalert(1)%3E" } } } ] })" &&
-      expected_body==R"(
-    <h1>Not Found</h1>
-    <p>
-      The requested URL "/ROOT%23%3F/content/zimfile/&quot;&gt;&lt;svg onload%3Dalert(1)&gt;" was not found on this server.
-    </p>
-    <p>
-      Make a full text search for <a href="/ROOT%23%3F/search?content=zimfile&pattern=%22%3E%3Csvg%20onload%3Dalert(1)%3E">&quot;&gt;&lt;svg onload=alert(1)&gt;</a>
-    </p>
-)"  },
-
-    // XXX: This test case is against a "</script>" string appearing inside
-    // XXX: javascript code that will confuse the HTML parser
-    { /* url */ R"(/ROOT%23%3F/content/zimfile/</script>)",
-      book_name=="zimfile" &&
-      book_title=="Ray Charles" &&
-      expected_kiwix_response_data==R"({ "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "url-not-found", "params" : { "url" : "/ROOT%23%3F/content/zimfile/</scr\ipt>" } } }, { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "script>", "SEARCH_URL" : "/ROOT%23%3F/search?content=zimfile&pattern=script%3E" } } } ] })" &&
-      expected_body==R"(
-    <h1>Not Found</h1>
-    <p>
-      The requested URL "/ROOT%23%3F/content/zimfile/&lt;/script&gt;" was not found on this server.
-    </p>
-    <p>
-      Make a full text search for <a href="/ROOT%23%3F/search?content=zimfile&pattern=script%3E">script&gt;</a>
-    </p>
-)"  },
-
-    { /* url */ "/ROOT%23%3F/content/zimfile/invalid-article?userlang=test",
-      expected_page_title=="[I18N TESTING] Not Found - Try Again" &&
-      book_name=="zimfile" &&
-      book_title=="Ray Charles" &&
-      expected_kiwix_response_data==R"({ "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "url-not-found", "params" : { "url" : "/ROOT%23%3F/content/zimfile/invalid-article" } } }, { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "invalid-article", "SEARCH_URL" : "/ROOT%23%3F/search?content=zimfile&pattern=invalid-article" } } } ] })" &&
-      expected_body==R"(
-    <h1>[I18N TESTING] Content not found, but at least the server is alive</h1>
-    <p>
-      [I18N TESTING] URL not found: /ROOT%23%3F/content/zimfile/invalid-article
-    </p>
-    <p>
-      [I18N TESTING] Make a full text search for <a href="/ROOT%23%3F/search?content=zimfile&pattern=invalid-article">invalid-article</a>
-    </p>
-)"  },
-
     { /* url */ "/ROOT%23%3F/raw/no-such-book/meta/Title",
       expected_kiwix_response_data==R"({ "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "url-not-found", "params" : { "url" : "/ROOT%23%3F/raw/no-such-book/meta/Title" } } }, { "p" : { "msgid" : "no-such-book", "params" : { "BOOK_NAME" : "no-such-book" } } } ] })" &&
       expected_body==R"(
@@ -971,6 +914,130 @@ TEST_F(ServerTest, Http404HtmlError)
   }
 }
 
+std::string htmlEscape(std::string s)
+{
+  s = replace(s, "&", "&amp;");
+  s = replace(s, "<", "&lt;");
+  s = replace(s, ">", "&gt;");
+  s = replace(s, "\"", "&quot;");
+  return s;
+}
+
+std::string escapeJsString(std::string s)
+{
+  s = replace(s, "</script>", "</scr\\ipt>");
+  s = replace(s, "\"", "\\\"");
+  return s;
+}
+
+std::string expectedSexy404ErrorHtml(const std::string& url)
+{
+  const auto urlWithoutQuery = replace(url, "\\?.*$", "");
+  const auto htmlSafeUrl = htmlEscape(urlWithoutQuery);
+  const auto jsSafeUrl = escapeJsString(urlWithoutQuery);
+
+  const std::string englishText[] = {
+    "Page not found",
+    "Not found!",
+    "Oops. Page not found.",
+    "The requested path was not found:",
+    "The content you&apos;re looking for may still be available, but it might be located at a different place within the ZIM file.",
+    "Please:",
+    "Try using the search function to find the content you want",
+    "Look for keywords or titles related to the information you&apos;re seeking",
+    "This approach should help you locate the desired content, even if the original link isn&apos;t working properly."
+  };
+
+  const std::string translatedText[] = {
+    "Page [I18N] not [TESTING] found",
+    "[I18N] Not found! [TESTING]",
+    "[I18N TESTING] Oops. Larry Page could not be reached. He may be on paternity leave.",
+    "[I18N TESTING] The requested path was not found (in fact, nothing was found instead, either):",
+    "Sh*t happens. [I18N TESTING] Take it easy!",
+    "[I18N TESTING] Try one of the following:",
+    "[I18N TESTING] Check the spelling of the URL path",
+    "[I18N TESTING] Press the dice button",
+    "Good luck! [I18N TESTING]"
+  };
+
+  const bool shouldTranslate = url.find("userlang=test") != std::string::npos;
+  const std::string* const t = shouldTranslate ? translatedText : englishText;
+
+  return R"RAWSTRINGLITERAL(<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>)RAWSTRINGLITERAL" + t[0] + R"RAWSTRINGLITERAL(</title>
+    <link type="text/css" href="/ROOT%23%3F/skin/error.css?cacheid=b3fa90cf" rel="Stylesheet" />
+    <script>
+      window.KIWIX_RESPONSE_TEMPLATE = "&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n  &lt;head&gt;\n    &lt;meta charset=&quot;utf-8&quot;&gt;\n    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no&quot; /&gt;\n    &lt;title&gt;{{PAGE_TITLE}}&lt;/title&gt;\n    &lt;link type=&quot;text/css&quot; href=&quot;{{root}}/skin/error.css?cacheid=b3fa90cf&quot; rel=&quot;Stylesheet&quot; /&gt;\n{{#KIWIX_RESPONSE_DATA}}    &lt;script&gt;\n      window.KIWIX_RESPONSE_TEMPLATE = &quot;{{KIWIX_RESPONSE_TEMPLATE}}&quot;;\n      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    &lt;/script&gt;{{/KIWIX_RESPONSE_DATA}}\n  &lt;/head&gt;\n  &lt;body&gt;\n    &lt;header&gt;\n        &lt;img src=&quot;{{root}}/skin/404.svg?cacheid=b6d648af&quot;\n             alt=&quot;{{404_img_text}}&quot;\n             aria-label=&quot;{{404_img_text}}&quot;\n             title=&quot;{{404_img_text}}&quot;&gt;\n    &lt;/header&gt;\n    &lt;section class=&quot;intro&quot;&gt;\n      &lt;h1&gt;{{PAGE_HEADING}}&lt;/h1&gt;\n      &lt;p&gt;{{path_was_not_found_msg}}&lt;/p&gt;\n      &lt;p&gt;&lt;code&gt;{{url_path}}&lt;/code&gt;&lt;/p&gt;\n    &lt;/section&gt;\n    &lt;section class=&quot;advice&quot;&gt;\n      &lt;p&gt;{{advice.p1}}&lt;/p&gt;\n      &lt;p class=&quot;list-intro&quot;&gt;{{advice.p2}}&lt;/p&gt;\n      &lt;ul&gt;\n          &lt;li&gt;{{advice.p3}}&lt;/li&gt;\n          &lt;li&gt;{{advice.p4}}&lt;/li&gt;\n      &lt;/ul&gt;\n      &lt;p&gt;{{advice.p5}}&lt;/p&gt;\n    &lt;/section&gt;\n  &lt;/body&gt;\n&lt;/html&gt;\n";
+      window.KIWIX_RESPONSE_DATA = { "404_img_text" : { "msgid" : "404-img-text", "params" : { } }, "PAGE_HEADING" : { "msgid" : "new-404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "new-404-page-title", "params" : { } }, "advice" : { "p1" : { "msgid" : "404-advice.p1", "params" : { } }, "p2" : { "msgid" : "404-advice.p2", "params" : { } }, "p3" : { "msgid" : "404-advice.p3", "params" : { } }, "p4" : { "msgid" : "404-advice.p4", "params" : { } }, "p5" : { "msgid" : "404-advice.p5", "params" : { } } }, "path_was_not_found_msg" : { "msgid" : "path-was-not-found", "params" : { } }, "root" : "/ROOT%23%3F", "url_path" : ")RAWSTRINGLITERAL"
+  +         // inject the URL
+  jsSafeUrl // inject the URL
+  +         // inject the URL
+  R"RAWSTRINGLITERAL(" };
+    </script>
+  </head>
+  <body>
+    <header>
+        <img src="/ROOT%23%3F/skin/404.svg?cacheid=b6d648af"
+             alt=")RAWSTRINGLITERAL" + t[1] + R"RAWSTRINGLITERAL("
+             aria-label=")RAWSTRINGLITERAL" + t[1] + R"RAWSTRINGLITERAL("
+             title=")RAWSTRINGLITERAL" + t[1] + R"RAWSTRINGLITERAL(">
+    </header>
+    <section class="intro">
+      <h1>)RAWSTRINGLITERAL" + t[2] + R"RAWSTRINGLITERAL(</h1>
+      <p>)RAWSTRINGLITERAL" + t[3] + R"RAWSTRINGLITERAL(</p>
+      <p><code>)RAWSTRINGLITERAL"
+  +           // inject the URL
+  htmlSafeUrl // inject the URL
+  +           // inject the URL
+  R"RAWSTRINGLITERAL(</code></p>
+    </section>
+    <section class="advice">
+      <p>)RAWSTRINGLITERAL" + t[4] + R"RAWSTRINGLITERAL(</p>
+      <p class="list-intro">)RAWSTRINGLITERAL" + t[5] + R"RAWSTRINGLITERAL(</p>
+      <ul>
+          <li>)RAWSTRINGLITERAL" + t[6] + R"RAWSTRINGLITERAL(</li>
+          <li>)RAWSTRINGLITERAL" + t[7] + R"RAWSTRINGLITERAL(</li>
+      </ul>
+      <p>)RAWSTRINGLITERAL" + t[8] + R"RAWSTRINGLITERAL(</p>
+    </section>
+  </body>
+</html>
+)RAWSTRINGLITERAL";
+}
+
+TEST_F(ServerTest, HttpSexy404HtmlError)
+{
+  const std::vector<std::string> testUrls {
+    // XXX: Nicer 404 error page no longer hints whether the error
+    // XXX: is because of the missing book/ZIM-file or a missing article
+    // XXX: inside a valid/existing book/ZIM-file. However it makes sense
+    // XXX: to preserve both cases.
+    "/ROOT%23%3F/content/invalid-book/whatever",
+    "/ROOT%23%3F/content/invalid-book/whatever?userlang=test",
+    "/ROOT%23%3F/content/zimfile/invalid-article",
+    "/ROOT%23%3F/content/zimfile/invalid-article?userlang=test",
+
+    // malicious URLs
+    R"(/ROOT%23%3F/content/"><svg onload=alert(1)>)",
+    R"(/ROOT%23%3F/content/zimfile/"><svg onload=alert(1)>)",
+
+    // XXX: This test case is against a "</script>" string appearing inside
+    // XXX: javascript code that will confuse the HTML parser
+    R"(/ROOT%23%3F/content/zimfile/</script>)",
+  };
+
+  for ( const auto& url : testUrls ) {
+    const TestContext ctx{ {"url", url} };
+    const auto r = zfs1_->GET(url.c_str());
+    EXPECT_EQ(r->status, 404) << ctx;
+    EXPECT_EQ(r->body, expectedSexy404ErrorHtml(url)) << ctx;
+  }
+}
+
 TEST_F(ServerTest, Http400HtmlError)
 {
   using namespace TestingOfHtmlResponses;
@@ -1146,35 +1213,98 @@ TEST_F(ServerTest, HttpXmlError)
   }
 }
 
-TEST_F(ServerTest, 500)
+std::string expectedSexy500ErrorHtml(const std::string& url,
+                                     const std::string& error)
 {
-  const std::string expectedBody = R"(<!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml">
+  const auto urlWithoutQuery = replace(url, "\\?.*$", "");
+  const auto htmlSafeUrl = htmlEscape(urlWithoutQuery);
+  const auto jsSafeUrl = escapeJsString(urlWithoutQuery);
+
+  const std::string englishText[] = {
+    "Internal Server Error",
+    "Page isn&apos;t working",
+    "Oops. Page isn&apos;t working.",
+    "The requested path cannot be properly delivered:",
+  };
+
+  const std::string translatedText[] = {
+    "[I18N] Internal Server Error [TESTING]",
+    "Page [I18N] isn&apos;t [TESTING] working",
+    "Oops. [I18N] Page isn&apos;t [TESTING] working.",
+    "The requested path [I18N TESTING] cannot be properly delivered:",
+  };
+
+  const bool shouldTranslate = url.find("userlang=test") != std::string::npos;
+  const std::string* const t = shouldTranslate ? translatedText : englishText;
+
+  return R"RAWSTRINGLITERAL(<!DOCTYPE html>
+<html>
   <head>
-    <meta content="text/html;charset=UTF-8" http-equiv="content-type" />
-    <title>Internal Server Error</title>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>)RAWSTRINGLITERAL" + t[0] + R"RAWSTRINGLITERAL(</title>
+    <link type="text/css" href="/ROOT%23%3F/skin/error.css?cacheid=b3fa90cf" rel="Stylesheet" />
     <script>
-      window.KIWIX_RESPONSE_TEMPLATE = )" + ERROR_HTML_TEMPLATE_JS_STRING + R"(;
-      window.KIWIX_RESPONSE_DATA = { "CSS_URL" : false, "PAGE_HEADING" : { "msgid" : "500-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "500-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "500-page-text", "params" : { } } }, { "p" : { "msgid" : "non-translated-text", "params" : { "MSG" : "Entry redirect_loop.html is a redirect entry." } } } ] };
+      window.KIWIX_RESPONSE_TEMPLATE = "&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n  &lt;head&gt;\n    &lt;meta charset=&quot;utf-8&quot;&gt;\n    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no&quot; /&gt;\n    &lt;title&gt;{{PAGE_TITLE}}&lt;/title&gt;\n    &lt;link type=&quot;text/css&quot; href=&quot;{{root}}/skin/error.css?cacheid=b3fa90cf&quot; rel=&quot;Stylesheet&quot; /&gt;\n    &lt;script&gt;\n      window.KIWIX_RESPONSE_TEMPLATE = &quot;{{KIWIX_RESPONSE_TEMPLATE}}&quot;;\n      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    &lt;/script&gt;\n  &lt;/head&gt;\n  &lt;body&gt;\n    &lt;header&gt;\n        &lt;img src=&quot;{{root}}/skin/500.svg?cacheid=32eb0f20&quot;\n             alt=&quot;{{500_img_text}}&quot;\n             aria-label=&quot;{{500_img_text}}&quot;\n             title=&quot;{{500_img_text}}&quot;&gt;\n    &lt;/header&gt;\n    &lt;section class=&quot;intro&quot;&gt;\n      &lt;h1&gt;{{PAGE_HEADING}}&lt;/h1&gt;\n      &lt;p&gt;{{PAGE_TEXT}}&lt;/p&gt;\n      &lt;p&gt;&lt;code&gt;{{url_path}}&lt;/code&gt;&lt;/p&gt;\n    &lt;/section&gt;\n{{#error}}\n    &lt;section class=&quot;advice&quot;&gt;\n      &lt;p&gt;{{error}}&lt;/p&gt;\n    &lt;/section&gt;\n{{/error}}\n  &lt;/body&gt;\n&lt;/html&gt;\n";
+      window.KIWIX_RESPONSE_DATA = { "500_img_text" : { "msgid" : "500-img-text", "params" : { } }, "PAGE_HEADING" : { "msgid" : "500-page-heading", "params" : { } }, "PAGE_TEXT" : { "msgid" : "500-page-text", "params" : { } }, "PAGE_TITLE" : { "msgid" : "500-page-title", "params" : { } }, "error" : ")RAWSTRINGLITERAL"
+  +                     // inject the error
+  escapeJsString(error) // inject the error
+  +                     // inject the error
+  R"RAWSTRINGLITERAL(", "root" : "/ROOT%23%3F", "url_path" : ")RAWSTRINGLITERAL"
+  +         // inject the URL
+  jsSafeUrl // inject the URL
+  +         // inject the URL
+  R"RAWSTRINGLITERAL(" };
     </script>
   </head>
   <body>
-    <h1>Internal Server Error</h1>
-    <p>
-      An internal server error occured. We are sorry about that :/
-    </p>
-    <p>
-      Entry redirect_loop.html is a redirect entry.
-    </p>
+    <header>
+        <img src="/ROOT%23%3F/skin/500.svg?cacheid=32eb0f20"
+             alt=")RAWSTRINGLITERAL" + t[1] + R"RAWSTRINGLITERAL("
+             aria-label=")RAWSTRINGLITERAL" + t[1] + R"RAWSTRINGLITERAL("
+             title=")RAWSTRINGLITERAL" + t[1] + R"RAWSTRINGLITERAL(">
+    </header>
+    <section class="intro">
+      <h1>)RAWSTRINGLITERAL" + t[2] + R"RAWSTRINGLITERAL(</h1>
+      <p>)RAWSTRINGLITERAL" + t[3] + R"RAWSTRINGLITERAL(</p>
+      <p><code>)RAWSTRINGLITERAL"
+  +           // inject the URL
+  htmlSafeUrl // inject the URL
+  +           // inject the URL
+  R"RAWSTRINGLITERAL(</code></p>
+    </section>
+    <section class="advice">
+      <p>)RAWSTRINGLITERAL" + error + R"RAWSTRINGLITERAL(</p>
+    </section>
   </body>
 </html>
-)";
+)RAWSTRINGLITERAL";
+}
 
-  {
-  const auto r = zfs1_->GET("/ROOT%23%3F/content/poor/A/redirect_loop.html");
-  EXPECT_EQ(r->status, 500);
-  EXPECT_EQ(r->body, expectedBody);
-  EXPECT_EQ(r->get_header_value("Content-Type"), "text/html; charset=utf-8");
+TEST_F(ServerTest, 500)
+{
+  struct TestData {
+    const std::string url;
+    const std::string error;
+  };
+  const TestData testData[] = {
+    {
+      "/ROOT%23%3F/content/poor/A/redirect_loop.html",
+      "Entry redirect_loop.html is a redirect entry."
+    },
+
+    {
+      "/ROOT%23%3F/content/poor/A/redirect_loop.html?userlang=test",
+      "Entry redirect_loop.html is a redirect entry."
+    }
+  };
+
+  for ( const auto& td : testData ) {
+    const TestContext ctx{ {"url", td.url} };
+    const auto r = zfs1_->GET(td.url.c_str());
+    EXPECT_EQ(r->status, 500) << ctx;
+    EXPECT_EQ(r->get_header_value("Content-Type"), "text/html; charset=utf-8") << ctx;
+    EXPECT_EQ(r->body, expectedSexy500ErrorHtml(td.url, td.error)) << ctx;
   }
 }
 
@@ -1186,12 +1316,12 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "ar",
     "self_name": "الإنجليزية",
-    "translation_count": 25
+    "translation_count": 44
   },
   {
     "iso_code": "bn",
     "self_name": "বাংলা",
-    "translation_count": 14
+    "translation_count": 34
   },
   {
     "iso_code": "br",
@@ -1211,7 +1341,7 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "de",
     "self_name": "Deutsch",
-    "translation_count": 57
+    "translation_count": 67
   },
   {
     "iso_code": "el",
@@ -1221,12 +1351,12 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "en",
     "self_name": "English",
-    "translation_count": 58
+    "translation_count": 93
   },
   {
     "iso_code": "es",
     "self_name": "español",
-    "translation_count": 49
+    "translation_count": 67
   },
   {
     "iso_code": "fi",
@@ -1236,7 +1366,7 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "fr",
     "self_name": "Français",
-    "translation_count": 57
+    "translation_count": 84
   },
   {
     "iso_code": "ha",
@@ -1246,22 +1376,32 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "he",
     "self_name": "עברית",
-    "translation_count": 57
+    "translation_count": 80
   },
   {
     "iso_code": "hi",
     "self_name": "हिन्दी",
-    "translation_count": 49
+    "translation_count": 59
+  },
+  {
+    "iso_code": "hu",
+    "self_name": "Magyar",
+    "translation_count": 32
   },
   {
     "iso_code": "hy",
     "self_name": "Հայերեն",
-    "translation_count": 15
+    "translation_count": 26
   },
   {
     "iso_code": "ia",
     "self_name": "interlingua",
-    "translation_count": 57
+    "translation_count": 84
+  },
+  {
+    "iso_code": "id",
+    "self_name": "Bahasa Inggris",
+    "translation_count": 68
   },
   {
     "iso_code": "ig",
@@ -1271,7 +1411,7 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "it",
     "self_name": "italiano",
-    "translation_count": 38
+    "translation_count": 58
   },
   {
     "iso_code": "ja",
@@ -1281,7 +1421,7 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "ko",
     "self_name": "한국어",
-    "translation_count": 15
+    "translation_count": 73
   },
   {
     "iso_code": "ku-latn",
@@ -1291,22 +1431,27 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "lb",
     "self_name": "Lëtzebuergesch",
-    "translation_count": 22
+    "translation_count": 48
   },
   {
     "iso_code": "mk",
     "self_name": "македонски",
-    "translation_count": 57
+    "translation_count": 81
   },
   {
     "iso_code": "ms",
     "self_name": "Bahasa Melayu",
     "translation_count": 14
   },
+  {
+    "iso_code": "nb",
+    "self_name": "Engelsk",
+    "translation_count": 68
+  },
   {
     "iso_code": "nl",
     "self_name": "Nederlands",
-    "translation_count": 49
+    "translation_count": 68
   },
   {
     "iso_code": "nqo",
@@ -1321,17 +1466,27 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "pl",
     "self_name": "Polski",
-    "translation_count": 31
+    "translation_count": 32
   },
   {
     "iso_code": "pt-br",
     "self_name": "Português",
-    "translation_count": 35
+    "translation_count": 66
+  },
+  {
+    "iso_code": "pt",
+    "self_name": "português",
+    "translation_count": 67
+  },
+  {
+    "iso_code": "ro",
+    "self_name": "Engleză",
+    "translation_count": 68
   },
   {
     "iso_code": "ru",
     "self_name": "русский",
-    "translation_count": 57
+    "translation_count": 67
   },
   {
     "iso_code": "sc",
@@ -1346,7 +1501,7 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "skr-arab",
     "self_name": "سرائیکی",
-    "translation_count": 20
+    "translation_count": 33
   },
   {
     "iso_code": "sl",
@@ -1356,17 +1511,17 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "sq",
     "self_name": "Shqip",
-    "translation_count": 49
+    "translation_count": 67
   },
   {
     "iso_code": "sv",
     "self_name": "Svenska",
-    "translation_count": 57
+    "translation_count": 67
   },
   {
     "iso_code": "sw",
     "self_name": "Kiswahili",
-    "translation_count": 57
+    "translation_count": 58
   },
   {
     "iso_code": "te",
@@ -1381,12 +1536,12 @@ R"EXPECTEDRESPONSE(const uiLanguages = [
   {
     "iso_code": "zh-hans",
     "self_name": "简体中文",
-    "translation_count": 57
+    "translation_count": 68
   },
   {
     "iso_code": "zh-hant",
     "self_name": "繁體中文",
-    "translation_count": 57
+    "translation_count": 92
   }
 ])EXPECTEDRESPONSE");
 }
@@ -1417,37 +1572,37 @@ TEST_F(ServerTest, UserLanguageControl)
       "Default user language is English",
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article",
       /*Accept-Language:*/ "",
-      /* expected <h1> */ "Not Found"
+      /* expected <h1> */ "Oops. Page not found."
     },
     {
       "userlang URL query parameter is respected",
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article?userlang=en",
       /*Accept-Language:*/ "",
-      /* expected <h1> */ "Not Found"
+      /* expected <h1> */ "Oops. Page not found."
     },
     {
       "userlang URL query parameter is respected",
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article?userlang=test",
       /*Accept-Language:*/ "",
-      /* expected <h1> */ "[I18N TESTING] Content not found, but at least the server is alive"
+      /* expected <h1> */ "[I18N TESTING] Oops. Larry Page could not be reached. He may be on paternity leave."
     },
     {
       "'Accept-Language: *' is handled",
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article",
       /*Accept-Language:*/ "*",
-      /* expected <h1> */ "Not Found"
+      /* expected <h1> */ "Oops. Page not found."
     },
     {
       "Accept-Language: header is respected",
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article",
       /*Accept-Language:*/ "test",
-      /* expected <h1> */ "[I18N TESTING] Content not found, but at least the server is alive"
+      /* expected <h1> */ "[I18N TESTING] Oops. Larry Page could not be reached. He may be on paternity leave."
     },
     {
       "userlang query parameter takes precedence over Accept-Language",
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article?userlang=en",
       /*Accept-Language:*/ "test",
-      /* expected <h1> */ "Not Found"
+      /* expected <h1> */ "Oops. Page not found."
     },
     {
       "Most suitable language is selected from the Accept-Language header",
@@ -1455,7 +1610,7 @@ TEST_F(ServerTest, UserLanguageControl)
       // with quality values) the most suitable language is selected.
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article",
       /*Accept-Language:*/ "test;q=0.9, en;q=0.2",
-      /* expected <h1> */ "[I18N TESTING] Content not found, but at least the server is alive"
+      /* expected <h1> */ "[I18N TESTING] Oops. Larry Page could not be reached. He may be on paternity leave."
     },
     {
       "Most suitable language is selected from the Accept-Language header",
@@ -1463,7 +1618,7 @@ TEST_F(ServerTest, UserLanguageControl)
       // with quality values) the most suitable language is selected.
       /*url*/ "/ROOT%23%3F/content/zimfile/invalid-article",
       /*Accept-Language:*/ "test;q=0.2, en;q=0.9",
-      /* expected <h1> */ "Not Found"
+      /* expected <h1> */ "Oops. Page not found."
     },
   };
 

test/server_search.cpp

@@ -758,8 +758,8 @@ struct TestData
                        ? R"(No results were found for <b>"PATTERN"</b>)"
                        : R"(Results <b>FIRSTRESULT-LASTRESULT</b> of <b>RESULTCOUNT</b> for <b>"PATTERN"</b>)";
 
-    const size_t lastResultIndex = std::min(totalResultCount, firstResultIndex + results.size() - 1);
-    header = replace(header, "FIRSTRESULT", std::to_string(firstResultIndex));
+    const size_t lastResultIndex = std::min(totalResultCount, firstResultIndex + results.size());
+    header = replace(header, "FIRSTRESULT", std::to_string(firstResultIndex+1));
     header = replace(header, "LASTRESULT",  std::to_string(lastResultIndex));
     header = replace(header, "RESULTCOUNT", std::to_string(totalResultCount));
     header = replace(header, "PATTERN",     getPattern());
@@ -940,7 +940,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   0,
       /* totalResultCount */ 0,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */          {},
       /* pagination */       {}
     },
@@ -951,7 +951,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   0,
       /* totalResultCount */ 0,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */          {},
       /* pagination */       {}
     },
@@ -961,7 +961,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   0,
       /* totalResultCount */ 1,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         SEARCH_RESULT(
           /*link*/       "/ROOT%23%3F/content/zimfile/A/We_Gonna_Move_to_the_Outskirts_of_Town",
@@ -979,7 +979,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   0,
       /* totalResultCount */ 2,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         SEARCH_RESULT(
           /*link*/       "/ROOT%23%3F/content/zimfile/A/Eleanor_Rigby",
@@ -1005,7 +1005,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            0,
       /* resultsPerPage */   0,
       /* totalResultCount */ 2,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         SEARCH_RESULT(
           /*link*/       "/ROOT%23%3F/content/zimfile/A/Eleanor_Rigby",
@@ -1028,10 +1028,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=yellow&books.id=" RAYCHARLESZIMID,
-      /* start */            1,
+      /* start */            0,
       /* resultsPerPage */   0,
       /* totalResultCount */ 2,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         SEARCH_RESULT(
           /*link*/       "/ROOT%23%3F/content/zimfile/A/Eleanor_Rigby",
@@ -1057,7 +1057,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   100,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ LARGE_SEARCH_RESULTS,
       /* pagination */ {}
     },
@@ -1068,7 +1068,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   100,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ LARGE_SEARCH_RESULTS,
       /* pagination */ {}
     },
@@ -1078,7 +1078,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         LARGE_SEARCH_RESULTS[0],
         LARGE_SEARCH_RESULTS[1],
@@ -1099,10 +1099,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            6,
+      /* start */            5,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 6,
+      /* firstResultIndex */ 5,
       /* results */ {
         LARGE_SEARCH_RESULTS[5],
         LARGE_SEARCH_RESULTS[6],
@@ -1124,10 +1124,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            11,
+      /* start */            10,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 11,
+      /* firstResultIndex */ 10,
       /* results */ {
         LARGE_SEARCH_RESULTS[10],
         LARGE_SEARCH_RESULTS[11],
@@ -1150,10 +1150,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            16,
+      /* start */            15,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 16,
+      /* firstResultIndex */ 15,
       /* results */ {
         LARGE_SEARCH_RESULTS[15],
         LARGE_SEARCH_RESULTS[16],
@@ -1177,10 +1177,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */            "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            21,
+      /* start */            20,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 21,
+      /* firstResultIndex */ 20,
       /* results */ {
         LARGE_SEARCH_RESULTS[20],
         LARGE_SEARCH_RESULTS[21],
@@ -1204,10 +1204,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            26,
+      /* start */            25,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 26,
+      /* firstResultIndex */ 25,
       /* results */ {
         LARGE_SEARCH_RESULTS[25],
         LARGE_SEARCH_RESULTS[26],
@@ -1231,10 +1231,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            31,
+      /* start */            30,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 31,
+      /* firstResultIndex */ 30,
       /* results */ {
         LARGE_SEARCH_RESULTS[30],
         LARGE_SEARCH_RESULTS[31],
@@ -1257,10 +1257,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            36,
+      /* start */            35,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 36,
+      /* firstResultIndex */ 35,
       /* results */ {
         LARGE_SEARCH_RESULTS[35],
         LARGE_SEARCH_RESULTS[36],
@@ -1282,10 +1282,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            41,
+      /* start */            40,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 41,
+      /* firstResultIndex */ 40,
       /* results */ {
         LARGE_SEARCH_RESULTS[40],
         LARGE_SEARCH_RESULTS[41],
@@ -1305,10 +1305,10 @@ TEST(ServerSearchTest, searchResults)
 
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            22,
+      /* start */            21,
       /* resultsPerPage */   3,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 22,
+      /* firstResultIndex */ 21,
       /* results */ {
         LARGE_SEARCH_RESULTS[21],
         LARGE_SEARCH_RESULTS[22],
@@ -1334,10 +1334,10 @@ TEST(ServerSearchTest, searchResults)
     // works, not how it should work!
     {
       /* query */          "pattern=jazz&books.id=" RAYCHARLESZIMID,
-      /* start */            46,
+      /* start */            45,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 46,
+      /* firstResultIndex */ 45,
       /* results */ {},
 
       /* pagination */ {
@@ -1357,7 +1357,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            0,
       /* resultsPerPage */   10,
       /* totalResultCount */ 2,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */          {
         SEARCH_RESULT_FOR_TRAVEL_IN_RAYCHARLESZIM,
         SEARCH_RESULT_FOR_TRAVEL_IN_EXAMPLEZIM
@@ -1371,7 +1371,7 @@ TEST(ServerSearchTest, searchResults)
        /* start */            0,
        /* resultsPerPage */   10,
        /* totalResultCount */ 2,
-       /* firstResultIndex */ 1,
+       /* firstResultIndex */ 0,
        /* results */          {
         SEARCH_RESULT_FOR_TRAVEL_IN_RAYCHARLESZIM,
         SEARCH_RESULT_FOR_TRAVEL_IN_EXAMPLEZIM
@@ -1386,7 +1386,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            0,
       /* resultsPerPage */   10,
       /* totalResultCount */ 1,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */          {
         SEARCH_RESULT_FOR_TRAVEL_IN_RAYCHARLESZIM
       },
@@ -1401,7 +1401,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            0,
       /* resultsPerPage */   10,
       /* totalResultCount */ 1,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */          {
         SEARCH_RESULT_FOR_TRAVEL_IN_EXAMPLEZIM
       },
@@ -1416,7 +1416,7 @@ TEST(ServerSearchTest, searchResults)
        /* start */            0,
        /* resultsPerPage */   10,
        /* totalResultCount */ 1,
-       /* firstResultIndex */ 1,
+       /* firstResultIndex */ 0,
        /* results */          {
         SEARCH_RESULT_FOR_TRAVEL_IN_RAYCHARLESZIM
       },
@@ -1431,7 +1431,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            0,
       /* resultsPerPage */   10,
       /* totalResultCount */ 1,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */          {
         SEARCH_RESULT_FOR_TRAVEL_IN_EXAMPLEZIM
       },
@@ -1447,7 +1447,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   100,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ LARGE_SEARCH_RESULTS,
       /* pagination */ {}
     },
@@ -1458,7 +1458,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         LARGE_SEARCH_RESULTS[0],
         LARGE_SEARCH_RESULTS[1],
@@ -1483,7 +1483,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         LARGE_SEARCH_RESULTS[0],
         LARGE_SEARCH_RESULTS[1],
@@ -1509,7 +1509,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         LARGE_SEARCH_RESULTS[0],
         LARGE_SEARCH_RESULTS[1],
@@ -1536,7 +1536,7 @@ TEST(ServerSearchTest, searchResults)
       /* start */            -1,
       /* resultsPerPage */   5,
       /* totalResultCount */ 44,
-      /* firstResultIndex */ 1,
+      /* firstResultIndex */ 0,
       /* results */ {
         LARGE_SEARCH_RESULTS[0],
         LARGE_SEARCH_RESULTS[1],

test/server_testing_tools.h

@@ -62,6 +62,7 @@ public: // types
     WITH_LIBRARY_BUTTON  = 1 << 2,
     BLOCK_EXTERNAL_LINKS = 1 << 3,
     NO_NAME_MAPPER       = 1 << 4,
+    CATALOG_ONLY_MODE    = 1 << 5,
 
     WITH_TASKBAR_AND_LIBRARY_BUTTON = WITH_TASKBAR | WITH_LIBRARY_BUTTON,
 
@@ -71,6 +72,7 @@ public: // types
   struct Cfg
   {
     std::string root = "ROOT#?";
+    std::string contentServerUrl = "";
     Options options = DEFAULT_OPTIONS;
 
     Cfg(Options opts = DEFAULT_OPTIONS) : options(opts) {}
@@ -149,6 +151,8 @@ void ZimFileServer::run(int serverPort, std::string indexTemplateString)
   server->setTaskbar(cfg.options & WITH_TASKBAR, cfg.options & WITH_LIBRARY_BUTTON);
   server->setBlockExternalLinks(cfg.options & BLOCK_EXTERNAL_LINKS);
   server->setMultiZimSearchLimit(3);
+  server->setCatalogOnlyMode(cfg.options & CATALOG_ONLY_MODE);
+  server->setContentServerUrl(cfg.contentServerUrl);
   if (!indexTemplateString.empty()) {
     server->setIndexTemplateString(indexTemplateString);
   }

test/spelling_correction.cpp

@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2025 Veloman Yunkan
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
+ * NON-INFRINGEMENT.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ */
+
+#include "gtest/gtest.h"
+#include "../include/spelling_correction.h"
+#include "../src/tools/pathTools.h"
+#include "zim/archive.h"
+
+#include <filesystem>
+
+#include <xapian.h>
+
+const std::string TEST_DB_PATH = "./spellings.db";
+
+class SpellingCorrectionTest : public ::testing::Test
+{
+protected:
+  void SetUp() override {
+    tmpDirPath = makeTmpDirectory();
+    archive = std::make_unique<zim::Archive>("./test/spelling_correction_test.zim");
+  }
+
+  void TearDown() override {
+    std::filesystem::remove_all(tmpDirPath);
+  }
+
+protected:
+  std::filesystem::path tmpDirPath;
+  std::unique_ptr<zim::Archive> archive;
+};
+
+void testSpellingCorrections(const kiwix::SpellingsDB& spellingsDB)
+{
+#define EXPECT_SPELLING_CORRECTION(query, maxSuggestions, parenthesizedExpectedResult) \
+  EXPECT_EQ(                                                                   \
+      spellingsDB.getSpellingCorrections(query, maxSuggestions),               \
+      std::vector<std::string> parenthesizedExpectedResult                     \
+  )
+
+  EXPECT_SPELLING_CORRECTION("", 1, ({}));
+
+  EXPECT_SPELLING_CORRECTION("geflekt", 1, ({"gefleckt"}));
+  EXPECT_SPELLING_CORRECTION("Teler", 1, ({"Teller"}));
+  EXPECT_SPELLING_CORRECTION("Teler", 1, ({"Teller"}));
+  EXPECT_SPELLING_CORRECTION("kämen", 1, ({"kämmen"}));
+  EXPECT_SPELLING_CORRECTION("abonieren", 1, ({"abonnieren"}));
+  EXPECT_SPELLING_CORRECTION("abbonnieren", 1, ({"abonnieren"}));
+  EXPECT_SPELLING_CORRECTION("abbonieren", 1, ({"abonnieren"}));
+  EXPECT_SPELLING_CORRECTION("Aplaus", 1, ({"Applaus"}));
+  EXPECT_SPELLING_CORRECTION("konkurieren", 1, ({"konkurrieren"}));
+  EXPECT_SPELLING_CORRECTION("Asisstent", 1, ({"Assistent"}));
+  EXPECT_SPELLING_CORRECTION("Assisstent", 1, ({"Assistent"}));
+  EXPECT_SPELLING_CORRECTION("Atacke", 1, ({"Attacke"}));
+  EXPECT_SPELLING_CORRECTION("atestieren", 1, ({"attestieren"}));
+  EXPECT_SPELLING_CORRECTION("entäuschen", 1, ({"enttäuschen"}));
+  EXPECT_SPELLING_CORRECTION("Enzündung", 1, ({"Entzündung"}));
+  EXPECT_SPELLING_CORRECTION("Schirmütze", 1, ({"Schirmmütze"}));
+  EXPECT_SPELLING_CORRECTION("Termoskanne", 1, ({"Thermoskanne"}));
+  EXPECT_SPELLING_CORRECTION("Tsunge", 1, ({"Zunge"}));
+  EXPECT_SPELLING_CORRECTION("vort", 1, ({"fort"}));
+  EXPECT_SPELLING_CORRECTION("Schtuhl", 1, ({"Stuhl"}));
+  EXPECT_SPELLING_CORRECTION("beissen", 1, ({"beißen"}));
+  EXPECT_SPELLING_CORRECTION("Camera", 1, ({"Kamera"}));
+  EXPECT_SPELLING_CORRECTION("Kaos", 1, ({"Chaos"}));
+
+  // The spelling correction "Lax -> Lachs" is affected by commit
+  // https://github.com/xapian/xapian/commit/0cbe35de5c392623388946e6769aa03f912fdde4
+  // which caps the edit distance at (length(query_word) - 1). As a result, the
+  // max edit distance parameter that we pass into get_spelling_suggestion() is
+  // reduced from 3 to 2 and is below the edit distance of "Lachs" from "Lax".
+  const auto xapianVersion = std::make_tuple(Xapian::major_version(),
+                                             Xapian::minor_version(),
+                                             Xapian::revision());
+  if ( xapianVersion < std::make_tuple(1, 4, 19) ) {
+    EXPECT_SPELLING_CORRECTION("Lax", 1, ({"Lachs"}));
+  } else {
+    EXPECT_SPELLING_CORRECTION("Lax", 1, ({}));
+  }
+
+  EXPECT_SPELLING_CORRECTION("Mont", 1, ({"Mond"}));
+  EXPECT_SPELLING_CORRECTION("Umweltstandart", 1, ({"Umweltstandard"}));
+  EXPECT_SPELLING_CORRECTION("seid", 1, ({"seit"}));
+  EXPECT_SPELLING_CORRECTION("Trok", 1, ({"Trog"}));
+  EXPECT_SPELLING_CORRECTION("Unfuk", 1, ({"Unfug"}));
+  EXPECT_SPELLING_CORRECTION("schupsen", 1, ({"schubsen"}));
+  EXPECT_SPELLING_CORRECTION("warscheinlich", 1, ({"wahrscheinlich"}));
+  EXPECT_SPELLING_CORRECTION("gefärlich", 1, ({"gefährlich"}));
+  EXPECT_SPELLING_CORRECTION("Son", 1, ({"Sohn"}));
+  EXPECT_SPELLING_CORRECTION("nähmlich", 1, ({"nämlich"}));
+  EXPECT_SPELLING_CORRECTION("Grahl", 1, ({"Gral"}));
+  EXPECT_SPELLING_CORRECTION("Bine", 1, ({"Biene"}));
+  EXPECT_SPELLING_CORRECTION("Hirarchie", 1, ({"Hierarchie"}));
+  EXPECT_SPELLING_CORRECTION("Priese", 1, ({"Prise"}));
+  EXPECT_SPELLING_CORRECTION("auslehren", 1, ({"ausleeren"}));
+  EXPECT_SPELLING_CORRECTION("Phenomen", 1, ({"Phänomen"}));
+  EXPECT_SPELLING_CORRECTION("Phänomän", 1, ({"Phänomen"}));
+  EXPECT_SPELLING_CORRECTION("Phenomän", 1, ({"Phänomen"}));
+  EXPECT_SPELLING_CORRECTION("gewehren", 1, ({"gewähren"}));
+  EXPECT_SPELLING_CORRECTION("aba", 1, ({"aber"}));
+  EXPECT_SPELLING_CORRECTION("gestan", 1, ({"gestern"}));
+  EXPECT_SPELLING_CORRECTION("ronterfallen", 1, ({"runterfallen"}));
+  EXPECT_SPELLING_CORRECTION("Hönig", 1, ({"Honig"}));
+  EXPECT_SPELLING_CORRECTION("mussen", 1, ({"müssen"}));
+  EXPECT_SPELLING_CORRECTION("Bewandnis", 1, ({"Bewandtnis"}));
+  EXPECT_SPELLING_CORRECTION("hässlig", 1, ({"hässlich"}));
+  EXPECT_SPELLING_CORRECTION("lustich", 1, ({"lustig"}));
+  EXPECT_SPELLING_CORRECTION("Botschaftler", 1, ({"Botschafter"}));
+  EXPECT_SPELLING_CORRECTION("ebemfalls", 1, ({"ebenfalls"}));
+  EXPECT_SPELLING_CORRECTION("samft", 1, ({"sanft"}));
+  EXPECT_SPELLING_CORRECTION("Wohenzimmer", 1, ({"Wohnzimmer"}));
+  EXPECT_SPELLING_CORRECTION("Flaster", 1, ({"Pflaster"}));
+  EXPECT_SPELLING_CORRECTION("Imfung", 1, ({"Impfung"}));
+  EXPECT_SPELLING_CORRECTION("amptieren", 1, ({"amtieren"}));
+  EXPECT_SPELLING_CORRECTION("Endgeld", 1, ({"Entgelt"}));
+  EXPECT_SPELLING_CORRECTION("Abendteuer", 1, ({"Abenteuer"}));
+  EXPECT_SPELLING_CORRECTION("sampft", 1, ({"sanft"}));
+  EXPECT_SPELLING_CORRECTION("forgestan", 1, ({"vorgestern"}));
+  EXPECT_SPELLING_CORRECTION("Füreschein", 1, ({"Führerschein"}));
+  EXPECT_SPELLING_CORRECTION("ronterfalen", 1, ({"runterfallen"}));
+  EXPECT_SPELLING_CORRECTION("Farradschluss", 1, ({"Fahrradschloss"}));
+  EXPECT_SPELLING_CORRECTION("Konkorenz", 1, ({"Konkurrenz"}));
+  EXPECT_SPELLING_CORRECTION("Hirachie", 1, ({"Hierarchie"}));
+
+  //////////////////////////////////////////////////////////////////////////////
+  // Edge cases
+  //////////////////////////////////////////////////////////////////////////////
+
+  // Exact match is not considered a spelling correction
+  EXPECT_SPELLING_CORRECTION("Führerschein", 1, ({}));
+
+  // Max edit distance is 3
+  EXPECT_SPELLING_CORRECTION(  "Führersch",    1, ({"Führerschein"}));
+    EXPECT_SPELLING_CORRECTION("Führersc",     1, ({}));
+    // Case matters in edit distance
+    EXPECT_SPELLING_CORRECTION("führersch",    1, ({}));
+    // Diacritics matters in edit distance
+    EXPECT_SPELLING_CORRECTION("Fuhrersch",    1, ({}));
+    // Mismatch in diacritics counts as 1 in edit distance (this is not trivial,
+    // because from the UTF-8 perspective it is a one-byte vs two-byte encoding
+    // of a Unicode codepoint).
+    EXPECT_SPELLING_CORRECTION("Führersche",   1, ({"Führerschein"}));
+
+  EXPECT_SPELLING_CORRECTION("Führershine",  1, ({"Führerschein"}));
+    EXPECT_SPELLING_CORRECTION("Führershyne",  1, ({}));
+    EXPECT_SPELLING_CORRECTION("führershine",  1, ({}));
+
+  EXPECT_SPELLING_CORRECTION("Führerschrom", 1, ({"Führerschein"}));
+  EXPECT_SPELLING_CORRECTION("Führerscdrom", 1, ({}));
+
+  //////////////////////////////////////////////////////////////////////////////
+  // Shortcomings of the proof-of-concept implementation
+  //////////////////////////////////////////////////////////////////////////////
+
+  // Multiword titles are treated as a single entity
+  EXPECT_SPELLING_CORRECTION("Laurem", 1, ({}));
+  EXPECT_SPELLING_CORRECTION("ibsum",  1, ({}));
+  EXPECT_SPELLING_CORRECTION("Loremipsum", 1, ({"Lorem ipsum"}));
+
+  // Only one spelling correction can be requested
+  // EXPECT_SPELLING_CORRECTION("Kung",  2, ({"King", "Kong"}));
+  EXPECT_THROW(spellingsDB.getSpellingCorrections("Kung", 2), std::runtime_error);
+}
+
+using StrCollection = std::vector<std::string>;
+
+StrCollection directoryEntries(std::filesystem::path dirPath)
+{
+  StrCollection result;
+  for ( const auto& dirEntry : std::filesystem::directory_iterator(dirPath) ) {
+    result.push_back(dirEntry.path().string());
+  }
+  return result;
+}
+
+TEST_F(SpellingCorrectionTest, allInOne)
+{
+  const auto tmpDirModTime0 = std::filesystem::last_write_time(tmpDirPath);
+  ASSERT_TRUE(directoryEntries(tmpDirPath).empty());
+  {
+    const kiwix::SpellingsDB spellingsDB(*archive, tmpDirPath);
+    testSpellingCorrections(spellingsDB);
+  }
+
+  const auto tmpDirModTime1 = std::filesystem::last_write_time(tmpDirPath);
+
+  const auto spellingsDbPath = tmpDirPath / "554c9707-897e-097a-53ba-1b1306d8bb88.spellingsdb.v0.1";
+
+  const StrCollection EXPECTED_DIR_CONTENT{ spellingsDbPath.string() };
+  ASSERT_EQ(directoryEntries(tmpDirPath), EXPECTED_DIR_CONTENT);
+  ASSERT_LT(tmpDirModTime0, tmpDirModTime1);
+  const auto fileModTime = std::filesystem::last_write_time(spellingsDbPath);
+
+  {
+    const kiwix::SpellingsDB spellingsDB(*archive, tmpDirPath);
+    testSpellingCorrections(spellingsDB);
+  }
+
+  ASSERT_EQ(directoryEntries(tmpDirPath), EXPECTED_DIR_CONTENT );
+  ASSERT_EQ(tmpDirModTime1, std::filesystem::last_write_time(tmpDirPath));
+  ASSERT_EQ(fileModTime,    std::filesystem::last_write_time(spellingsDbPath));
+}