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bug#24565: 25.1: info freezes on some elements
From: |
Eli Zaretskii |
Subject: |
bug#24565: 25.1: info freezes on some elements |
Date: |
Thu, 29 Sep 2016 18:13:13 +0300 |
> From: Nikolay Kudryavtsev <nikolay.kudryavtsev@gmail.com>
> Date: Thu, 29 Sep 2016 10:30:26 +0300
>
> 1. emacs -Q
> 2. (info "(elisp) Association Lists")
> 3. Hold down next-line.
>
> What should happen: the moment you see the arrow symbol in some
> examples, you should get a freeze for a couple of seconds. Sexps in the
> beggining of that page, without the arrow do not seem to trigger the
> freeze. It also seems like those freezes are accumulative - that is
> freeze for a page with three arrows is three times as long as a freeze
> for a single arrow.
>
> Happens on Windows.
Sounds like Emacs is looking for a suitable font to display these
symbols. That's normal, and happens only once in a session for each
symbol. I see this on my systems, although the "accumulation" doesn't
happen here: the short delay is independent of the number of identical
symbols on the screenful Emacs is about to display.
> This bug happens both on master and 25.1, with official binaries. This
> does not happen in 24.5.
Emacs 25.1 changed the font used for these symbols, but otherwise I
see the same delay in Emacs 24.5.
Bottom line, I don't think it's a bug.