Future improvment in Mozilla 1.9

The presentation of mozilla 1.9 in pavlov slides he presented in Japan 
show some really interesting enhancement for i18n in Mozilla :
http://www.pavlov.net/random/japan.pdf

It shows :
- significant improvment for kannada and foremost arabic shapping, well 
that's probably all composed characters that should be correctly handled 
now.
- Support for soft hyphen
- kerning and ligature across DOM nodes, including when they are color 
changes (somehow http://www.catch22.net/tuts/editor12.asp is still not 
displayed correctly)
- better line breaking including a dictionnary for thai