GNU bug report logs - #20628
25.0.50; Incorrect line height for some fonts

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Message #224 received at 20628 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Clément Pit--Claudel <clement.pitclaudel <at> live.com>
Cc: 20628 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca, ohwoeowho <at> gmail.com
Subject: Re: bug#20628: 25.0.50; Incorrect line height for some fonts
Date: Sun, 24 May 2015 12:36:21 +0300

> Date: Sun, 24 May 2015 04:20:50 -0400
> From: Clément Pit--Claudel
>  <clement.pitclaudel <at> live.com>
> CC: monnier <at> iro.umontreal.ca, ohwoeowho <at> gmail.com, 20628 <at> debbugs.gnu.org
> 
> On the other hand, adding Latin Modern Math to a list of ignored fonts means that:
> * Emacs suddenly seems to not support one of the fonts that users can use elsewhere without problems (e.g. in LibreOffice). 

As you yourself described, using that font is not "without problems":
some glyphs come out truncated.

> * If Latin Modern Math is the only font that covers a particular character, we've changed "incorrect line height" into "square boxes in place of symbols", which is hardly an improvement over the current behaviour.

It's an improvement if using Latin Modern Math produces results that
are unacceptable.  This bug report says loud and clear that the
results are indeed unacceptable.

> * If users install a fixed version of Latin Modern Math, is still won't be used unless they also remove Latin Modern from the ignore list.

Does such a fixed version exist?  I doubt that.  I see several fonts
whose names match ".* Math" which all have this problem.  So it sounds
like this was done on purpose, and the font designers will not fix
that.

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