Stop animating \b and \i
Stop animating \b and \i

Unlike what the cc635086 message says, VSFilter does not animate them.

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