GNU bug report logs - #5080
indic text is not displayed correctly in emacs shell

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Message #90 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Parag Nemade <pnemade <at> redhat.com>
To: Kenichi Handa <handa <at> m17n.org>
Cc: pravi.a <at> gmail.com, 5080 <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org,
        psatpute <at> redhat.com
Subject: Re: bug#5080: indic text is not displayed correctly in emacs shell
Date: Thu, 03 Dec 2009 13:09:08 +0530

Hi,

On Thursday 03 December 2009 06:33 AM, Kenichi Handa wrote:
> In article<4B14FB8B.1040801 <at> redhat.com>, Parag Nemade<pnemade <at> redhat.com>  writes:
>
>    
>> Thanks. I am trying to say same thing to Kenichi but seems he
>> misunderstood that we both have same problem.
>>      
> Yes, sorry.  As I got the similar reports almost at the same
> time, I was confused.  As both reporters are reading this
> mail, I'll summarize the problems.
>
> (1) ZWJ is not handled correctly for some Indic scripts.
> (2) Indic text is not rendered correctly in *shell* buffer.
> (3) Emacs included in Fedora 12 doesn't render Indic correctly.
> (4) Emacs doesn't render Indic correctly with some specific fonts.
>
> Do I miss something?
>
> (1) was fixed by the trial code I sent.  So, I've just
> applied that change in lisp/language/indian.el.  Please try
> again with the latest CVS code.
>
> (2) With the fix of (1) and the correct setting of process
> coding system, the output of 'cat' is ok but still 'ls' is
> bad.  I think this is because your ls is aliased to
> something "ls --color".  Please try this:
>
> % type ls
> % unalias ls
> % ls
>
> It seems that when 'ls' is invoked with --color, it output
> some escape sequences (e.g. ESC [ 0) that are not handled by
> shell-mode.
>
> (3) It seems that m17n-db is not fully installed on Fedora 12.
> Please install it.  Parhaps the package name is:
> "Multilingualization datafiles for m17n-lib"
>    
Thank you so much. I got this working after I installed 
m17n-db-datafiles rpm.
> (4) I updated my ttf-freefont package.  FreeMono and
> FreeSans doesn't contain Malayalam glyphs.  FreeSerif does
> have the glyphs and mlym OpenType table and thus can render
> Malayalam correctly with Emacs.  Praveen wrote that gedit
> can render Malayalam with FreeMono font, but that's
> unbelievable.  I suspect gedit is using some other fallback
> font.  I don't know how to check exactly which font gedit is
> using for each Indic characters.
>
> By the way, to tell Emacs to use a specific font for, for
> instance, Malayalam, try this:
>
> (set-fontset-font t 'malayalam '("FONT_FAMILY_NAME" . "unicode-bmp"))
>
> And to see which font is used for an Indic character, put
> cursor on it, and type C-u C-x = RET.
>
>    
Regards,
Parag.

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