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bug#14461: 24.3.50; bad display for 'space' + (U+0336) unicode combinati

From: Stephen Berman
Subject: bug#14461: 24.3.50; bad display for 'space' + (U+0336) unicode combination
Date: Sat, 17 Aug 2019 20:11:19 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

On Sat, 17 Aug 2019 20:29:22 +0300 Eli Zaretskii <address@hidden> wrote:

>> From: Stephen Berman <address@hidden>
>> Cc: address@hidden,  address@hidden,  address@hidden,
>>   address@hidden
>> 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:

Attachment: ab.png
Description: a and b with combining accents

>> (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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