add a octopress bug
misc update on tex.md
add a section about whizzytex's limitation
add a section about how to fix problems with chinese pdf
add a section about how to intall english font
remove unused text
rewrite comments about TeX's Chinese support
add a subsection on new Chinese free font --- fandol
total update on whizzytex + ctex
rewrite about whizzytex + xelatex
First version of how to install chinese font
add template for later