[FFmpeg-cvslog] avcodec/htmlsubtitles: Be a bit more picky on syntax

ffmpeg | branch: release/3.2 | Michael Niedermayer | Sun Jul 2 00:09:42 2017 +0200| [abdbbe895838a55a404d54f7b26a4aca23d19577] | committer: Michael Niedermayer avcodec/htmlsubtitles: Be a bit more picky on syntax This reduces the number of strstr() calls per byte This diasalows empty tags lik

[FFmpeg-cvslog] avcodec/htmlsubtitles: Be a bit more picky on syntax

ffmpeg | branch: master | Michael Niedermayer | Sun Jul 2 00:09:42 2017 +0200| [c61715e2c505c15a5cfc9eab18b4311a6504055a] | committer: Michael Niedermayer avcodec/htmlsubtitles: Be a bit more picky on syntax This reduces the number of strstr() calls per byte This diasalows empty tags like '<