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bug#4759: 23.1; Minor Visual Corruption ("Flyspecks") on 23.1/OSX


From: Tom Feist-Hassan
Subject: bug#4759: 23.1; Minor Visual Corruption ("Flyspecks") on 23.1/OSX
Date: Mon, 11 Apr 2016 14:15:32 +0100

On 5 Apr 2016, at 21:32, Alan Third <address@hidden> wrote:

> Tom Feist <address@hidden> writes:
> 
>> When scrolling (either via wheel or cursor keys / C-n+p) under certain
>> conditions the buffer view will become corrupted with tiny 'flyspecks'
>> which appear to be parts of the buffer text which have been
>> incorrectly over- drawn. (That is, they typically share the same
>> colours as the font-locked text which "created" them moves across the
>> screen.)
> 
> Hi, sorry it's taken so long for someone to get back to you about this.
> I don't see this in Emacs 24 or 25. Are you still seeing this behaviour
> in a recent build?
> -- 
> Alan Third

Thanks for chasing it up! I'd totally forgotten about this. I haven't noticed 
it in quite a long time now, possibly
since upgrade to Emacs 24 some time ago (but I've changed a lot of other 
things, so no clue if that's what fixed it).

For reference, I'm now running:
"GNU Emacs 24.4.1 (x86_64-apple-darwin13.4.0, NS apple-appkit-1265.21) of 
2014-10-20 on builder10-9.porkrind.org"
on OSX 10.9.5

and it appears to be completely fine on several fonts.

Cheers,

Tom

-- 
Tom Feist-Hassan <address@hidden>






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