slackbuilds_ponce/libraries/libkate
..
libkate.info
libkate.SlackBuild
README
slack-desc

Kate is a codec for karaoke and text encapsulation for Ogg. Most of the time, 
this would be multiplexed with audio/video to carry subtitles, song lyrics 
(with or without karaoke data), etc.
libkate is required if you want subtitles support while encoding files with 
ffmpeg2theora.