GNU bug report logs - #5146
Malayalam conjuncts are not formed inside 'call editor' buffer of po-mode

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Message #130 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Kenichi Handa <handa <at> m17n.org>
To: Praveen A <pravi.a <at> gmail.com>
Cc: 5146 <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org,
        psatpute <at> redhat.com, pnemade <at> redhat.com, surumafonts <at> gmail.com
Subject: Re: bug#5146: Malayalam conjuncts are not formed inside 'call editor' 
	buffer of po-mode
Date: Sat, 12 Dec 2009 11:21:05 +0900

In article <3f2beab60912100338p1cc7bbc1xc7fc321bc8722837 <at> mail.gmail.com>, Praveen A <pravi.a <at> gmail.com> writes:

> 2009/12/10 Kenichi Handa <handa <at> m17n.org>:
> > the rendering problem disappears except for that a little
> > bit smaller glyphs are shown compared with the case when you
> > use the other fonts (e.g. rachana).  How about you?

> Meera has a different Ascent and Descent values compared to other
> fonts. Meera has ascent and descent as 1147, 901. Rachana has it as
> 1638, 410. This is to accommodate the characteristics of Malayalam
> script. And this change results in smaller sizes compared to other
> fonts. The fontconfig rule was added to offset small size for Meera
> compared to other fonts.

Hmmm, I think there should be some consensus among Malayalam
font developpers as for this matter.

> Pango/GTK applications understand the scaling directives and scales up
> Meera font properly. The ideal solution is to have m17n/emacs
> implement fontconfig scaling feature.

I've just installed a fix.  I also fixed the regular
expression of Malayalam characters in
composition-function-table to fix another bug.  I'll fix 
regular expressions for the other Indic characters soon.

Please try with the latest CVS code.

---
Kenichi Handa
handa <at> m17n.org

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