Add \t(\b) support. Contradicts the specification, but supported by all other renderers.
Add \t(\b) support.
Contradicts the specification, but supported by all other renderers.


git-svn-id: 947b4ff483bb4cc5004120385d99e48ac0944466@22280 b3059339-0415-0410-9bf9-f77b7e298cf2

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