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Re: 25.3 => 26.1, C-mode, slow again


From: Filipp Gunbin
Subject: Re: 25.3 => 26.1, C-mode, slow again
Date: Tue, 07 Aug 2018 16:47:10 +0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (darwin)

> As to the current issue, it's not just in C-mode, though it's more
> apparent there.  I'm also seeing a very tiny but perceptible lag even in
> a small, plain text buffer (such as while composing this reply) when
> doing just (forward-line) and (backward-line) that only moves the cursor
> and does no scrolling.  That lag wasn't there in 25.3.

What platform are you on?  I think I'm seeing similar tiny lags on macOS
--with-threads (and not seeing --without-threads).  But I'm not yet
confident enough to report that.



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