It makes more sense for the C documentation of structs to
have the type come first, then the struct member name,
because it reads more like actual C code that way.
I don't want to mix performance information with results.
If I need performance information later, I can do it through
a side channel. Renamed SearchErr to SearchError, to be consistent
with the other functions that generate error structs.
It turns out it simplifies things to merge all the doxygen xml
files into a single all.xml file, then process that. That way
I can find all the struct definitions too.
I don't know if this is going to do what I want, but I'm
hoping I can customize the Markdown output generated by moxygen
to be useful for a simple C library like this. It appears to be
customized for a class-oriented C++ program.
Certain macros and typedefs were ending up in Doxygen output
that have no reason to be documented for outside users.
Mostly I used Doxygen conditionals to hide them.
In a couple of cases I had some internal functions that needed
to be declared static so Doxygen hides them.
Added DoxygenLayout.xml, but not using it yet.
Still trying to figure out how to make Markdown output
that doesn't look terrible. Not sure I can get Moxygen
to do what I want. I may have to create my own simple(?) tool.
These functions allow generating a Gregorian calendar date and time
in UTC from an astro_time_t, and vice versa.
This filled in a gap where we needed a way to transform an astronomy
time value into something a user would recognize.
I may have to revisit this later for compatibility with the <time.h>
standard library, etc.
I made sure it is not possible to get stuck in an infinite
loop inside SearchLunarApsis, both the C and JavaScript versions.
If we loop over more time than 2 synodic months (more than enough time),
bail out with an exception (JS) or an internal error (C).
Astronomy_Ecliptic was using midnight on 2000-01-01 as the epoch,
but it should have been using noon. Fixed it. Discovered because
there was a tiny but larger than expected error in calculating
the tilt of Saturn's rings.
