Strictly clip non-dialog events against the video rectangle
Strictly clip non-dialog events against the video rectangle

Only normal dialog lines are allowed to appear outside.

Fixes #177.

MrSmile/libass,pigoz/libass-ct,astiob/libass,stps/libass,stps/libass,ShiftMediaProject/libass,grigorig/libass,torque/libass,Akemi/libass,Akemi/libass,pigoz/libass-ct,torque/libass,mwgoldsmith/libass,astiob/libass,sanyaade-g2g-repos/libass,xbmc/libass,grigorig/libass,Akemi/libass,sanyaade-g2g-repos/libass,xbmc/libass,ShiftMediaProject/libass,libass/libass,MrSmile/libass,mwgoldsmith/libass,torque/libass,mwgoldsmith/libass,sanyaade-g2g-repos/libass,libass/libass,stps/libass,pigoz/libass-ct