Isn't that a *browser* charset encoding issue?
I haven't looked at this problem really, but I guess it's because I moved the site to a new hosting service, which has different setup, but it probably got corrupted during database export/import.
I hate encoding problems, it can be either the unix server OS settings, the mysql settings, the php settings, the file encoding itself, e.g. how it's stored on the file system, or how the file encoding is described in the xhtml code, browser settings, or even how the text was typed in. As long it's not causing any problems I don't see an immediate need to fix this, I'll probably fix it when I do the next major update to the site.