rlaphoenix 167b45475e Only decode text direction entities in Sub files ...

Previously, all entities were decoded in Subtitle files because of a problem with SubtitleEdit and it's /ReverseRtlStartEnd option not being entity-aware.

It actually ends up reversing the `;` of `&rlm;`, instead of the actual value of `&rlm;`. Therefore, I decoded all entities before SubtitleEdit could have processed the Subtitle, but this has caused problems with more advanced formats like TTML and WebVTT as `&lt;` would decode to `<` causing syntax errors, among other problematic characters.

According to the TTML and WebVTT spec, html entity encoding is allowed, and that makes sense or you wouldn't be able to use `<` etc. Any failure for players to show the decoded character would be a player problem and be out of scope with Devine.

2024-02-05 12:37:21 +00:00

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