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https://bugzilla.redhat.com/show_bug.cgi?id=487061
--- Comment #4 from Akihiro Nomura sacredfox@hotmail.com 2009-06-18 07:01:37 EDT --- In fedora 11, CJK ambiguous width ideograms are rendered and treated as zenkaku(full-width) in gnome-terminal. It renders these ideograms without error that I mentioned in Comment #1. But rendering them as Zenkaku(full-width) makes vim confused. In F11's default setting, default value of ambiwidth option in vim is always single, vim assumes these ideograms are rendered as Hankaku(half-width). If this setting is wrong, cursor position in vim gets wrong and hard to edit the files including these ideograms. This behaviour makes all Japanese F11 & vim user confusing.
There are 2 ways to solve this problem:
A: Put a vim script that detects accurate ambiwidth option in /etc/vimrc (change vim) B: Make default width of these ideograms to Hankaku (change fontconfig/vlgothic)
I don't know whether this buggy behaviour is vim's bug or fontconfig/vlgothic's bug, but I think solution B is better for users, because changing /etc/vimrc may bring another additional error to the people who don't use CJK characters and these buggy behaviour is brought by fontconfig/vlgothic changes.
If I should open another bug for this problem, please let me know so.