Adds tags to selected lines or chosen style.
Splits line into frames with changing tag values to allow accelerated moves, vector clip transform, etc.
Splits selected lines into frames and changes \pos to realize jittering (in random or selected directions).
Sorts dialog lines by selection.
Fixes problems in karaoke time:
- Removes sylables with 0ms duration
- Removes first/last sylables, if they have no text
- Adjusts line start times (considers remove of first sylable) and end times (considers sum of sylable times) [ignores lines without sylables]