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

[Stefan Monnier]

> 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.

If you can reproduce it at will, I recommend you M-x report-emacs-bug to
try and help Emacs maintainers find the origin of your problem.


        Stefan