Re: Choice of fonts displaying etc/HELLO

[Eli Zaretskii]

> From: Kenichi Handa <address@hidden>
> CC: address@hidden, address@hidden, address@hidden
> Date: Wed, 06 Aug 2008 14:30:15 +0900
> 
> In article <address@hidden>, Eli Zaretskii <address@hidden> writes:
> 
> > I think the only meaningful categories are those defined by Unicode.
> > That is, a block of Cyrillic characters should have the cyrillic
> > category, the block of Japanese characters should have japanese
> > category, etc.
> 
> Unfortunately, there's no such block as "Japanese" in
> Unicode.

Sorry, I meant Katakana and Hiragana.

> > What kind of backward compatibility problems could we cause?  Who or
> > what code depends on these categories?
> 
> (re-search-forward "\\cj") can effectively search for
> characters belonging to Japanese charset.  It is used, for
> instance, in japanese-hankaku-region (in japan-util.el), and
> "\\cc" is used in encode-hz-region (in china-util.el).

Well, would it still work if "\\cj" matches Katakana and Hiragana
characters?