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bug#26333: 26.0.50; Hang when displaying some special characters for the
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From: |
Eli Zaretskii |
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Subject: |
bug#26333: 26.0.50; Hang when displaying some special characters for the first time |
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Date: |
Sat, 01 Apr 2017 23:44:58 +0300 |
> From: Steven Allen <steven@stebalien.com>
> Date: Sat, 01 Apr 2017 12:20:35 -0700
>
>
> 1. Start `emacs -Q` (GUI mode, GTK3).
> 2. Open a scratch buffer.
> 3. Insert a MATHMATICAL SANS-SERIF BOLD SMALL LAMBDA (0x1D77A): 𝝺
>
> The first time this character is displayed, Emacs hangs for ~15 seconds
> pegging the CPU at 100%. Unfortunately, the profiler doesn't seem to
> notice/record this hang.
That's normal: Emacs is looking for a font that can display this
character. If you install the Symbola font, I think the search will
be much faster.