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bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts
From: |
Eli Zaretskii |
Subject: |
bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts |
Date: |
Mon, 01 Jun 2020 22:35:17 +0300 |
> Date: Mon, 01 Jun 2020 21:37:38 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: dfussner@googlemail.com, 41645@debbugs.gnu.org
>
> Composed with the following character(s) "͏" using this font:
> harfbuzz:-outline-Code2000-normal-normal-normal-*-16-*-*-*-p-*-iso8859-1
> by these glyphs:
> [0 1 100 71 10 0 9 11 0 nil]
> [0 1 847 3 6 0 1 0 1 [0 0 0]]
>
> Is what you see on your system similar? If so, which glyph is
> zero-width, and why does it cause trouble on your system, but not on
> mine?
And another question: in the cases where you see artifacts, does the
call to font-shape-gstring inside compose-gstring-for-graphic return
nil or non-nil? IOW, is the shaper+font producing the composed glyph,
or is that the fallback Lisp code in compose-gstring-for-graphic,
because font-shape-gstring returns nil? Perhaps that's the reason for
the differences between what you see and what I see.
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, David Fussner, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Eli Zaretskii, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Eli Zaretskii, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Pip Cet, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Eli Zaretskii, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts,
Eli Zaretskii <=
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Pip Cet, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Pip Cet, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Pip Cet, 2020/06/01
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, David Fussner, 2020/06/02
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, David Fussner, 2020/06/02
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Pip Cet, 2020/06/02
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, David Fussner, 2020/06/02
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Pip Cet, 2020/06/02
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, David Fussner, 2020/06/02
- bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts, Eli Zaretskii, 2020/06/02