Gerard Alvear Porras 5b988957a2 Log failed CSS content retrievals (#9077) ...

* Log failed CSS content retrievals

## Summary

- Log a warning when a CSS content selector matches no elements.
- Log a distinct warning when matched content becomes empty after sanitization.
- Avoid duplicate warnings for the no-match case.

## Why

CSS-based content retrieval otherwise fails silently when a publisher changes its markup.

Fixes #8875.

* Avoid duplicate CSS retrieval warnings

* Typographic quotes

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Co-authored-by: Gerard Alvear <gerard.alvear@logiqd.me>
Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

2026-07-23 14:16:11 +02:00

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