GNU bug report logs - #14461
24.3.50; bad display for 'space' + (U+0336) unicode combination

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Message #56 received at 14461 <at> debbugs.gnu.org (full text, mbox):

From: Stephen Berman <stephen.berman <at> gmx.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: handa <at> gnu.org, larsi <at> gnus.org, 14461 <at> debbugs.gnu.org,
 cedric.chepied <at> gmail.com
Subject: Re: bug#14461: 24.3.50; bad display for 'space' + (U+0336) unicode
 combination
Date: Sat, 17 Aug 2019 20:11:19 +0200

[Message part 1 (text/plain, inline)]

On Sat, 17 Aug 2019 20:29:22 +0300 Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Stephen Berman <stephen.berman <at> gmx.net>
>> Cc: handa <at> gnu.org,  cedric.chepied <at> gmail.com,  14461 <at> debbugs.gnu.org,
>>   larsi <at> gnus.org
>> Date: Sat, 17 Aug 2019 19:05:20 +0200
>>
>> Executing this:
>>
>> $ hb-view /usr/share/fonts/dejavu/DejaVuSansMono.ttf -u 'U+061, U+301, U+302'
>>
>> displays just 'a' with an acute accent over it, i.e. the circumflex is
>> not displayed at all
>
> I don't think this is true, I think the accents are overlaid in a way
> that makes them hard to distinguish.  Try zooming in, if you can.

I find the displays quite unambiguous; here is the output as SVG images:

[ab.png (image/png, attachment)]

[Message part 3 (text/plain, inline)]

>> (unlike Emacs, which display the circumflex to the right of the a +
>> acute accent grapheme).
>
> Hmm... something strange happens with DejaVu Sans Mono.  I tried two
> different font backends, and they both display the circumflex
> incorrectly.  That doesn't happen with other monospaced fonts I tried.
>
> I have no idea what's going on here, sorry.
>
> In any case, the issue at hand is not about this particular display
> with this particular font, it's more general.

That I agree with.

Steve Berman

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