Translations:Mpv/64/en

Since version 0.24.0 subtitles with .txt extension are no longer recognized as subtitles and thus no longer autoloaded. Please refer to [//github.com/mpv-player/mpv/commit/50991fac81eb56bc0985af2c9d31cd503302dcfe the offending commit's message] and [//github.com/mpv-player/mpv/issues/4144 this upstream issue] for more info.