More checks in ass_render_event.
More checks in ass_render_event.


git-svn-id: 947b4ff483bb4cc5004120385d99e48ac0944466@19656 b3059339-0415-0410-9bf9-f77b7e298cf2

mwgoldsmith/libass,torque/libass,tgoyne/libass,stps/libass,rhlee/libass,torque/libass,blinkseb/libass,pigoz/libass-ct,torque/libass,blinkseb/libass,richardpl/libass,stps/libass,blinkseb/libass,MrSmile/libass,MrSmile/libass,libass/libass,astiob/libass,xbmc/libass,asimonov-im/libass,rhlee/libass,Distrotech/libass,Akemi/libass,Akemi/libass,stps/libass,sanyaade-g2g-repos/libass,grigorig/libass,ShiftMediaProject/libass,astiob/libass,mwgoldsmith/libass,Distrotech/libass,asimonov-im/libass,grigorig/libass,ShiftMediaProject/libass,richardpl/libass,Distrotech/libass,sanyaade-g2g-repos/libass,sanyaade-g2g-repos/libass,rhlee/libass,Akemi/libass,pigoz/libass-ct,xbmc/libass,pigoz/libass-ct,mwgoldsmith/libass,tgoyne/libass,vault/libass,vault/libass,tgoyne/libass,richardpl/libass,libass/libass