read utf8 tex documents and translate them to lyxformat 249.
There is still no code to discover the encoding and use it, but it is the
easiest part (I hope).
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27563 a592a061-630c-0410-9148-cb99ea01b6c8
Remove all explicit 8bit characters from the source, to fix compilation
with windows xp under a chinese locale (bug 3496).
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18256 a592a061-630c-0410-9148-cb99ea01b6c8