Why is that the same unicode character, in the same machine, can has two (or maybe more) different designs? Check this screenshot: http://i38.tinypic.com/2pqqntj.jpg
(FF, Windows XP)
(FF, Windows XP)
It is a common experience for East Asians; the same CJK kanji character sometimes has different glyphs for Chinese and Japanese. It is still quite a hassle to fix all fontset to show them right (I gave up.)