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Re: Emacs 25.1 RC2 - sporadic display errors on Linux virtual terminal.


From: Eli Zaretskii
Subject: Re: Emacs 25.1 RC2 - sporadic display errors on Linux virtual terminal.
Date: Wed, 07 Sep 2016 21:37:23 +0300

> Date: Wed, 7 Sep 2016 18:16:06 +0000
> Cc: address@hidden
> From: Alan Mackenzie <address@hidden>
> 
> > What buffer did you have in mind?
> 
> I don't have any particular buffer in mind.  I simply don't know this
> level of the software at all.  (At least, not yet).
> 
> Maybe there's some circular buffer somewhere which, when it becomes
> full, spuriously outputs a space to the screen.  The buffer might well
> not be in Emacs.  Can a circular buffer gradually (over hours) become
> smaller?  That seems a bit unlikely.

You are probably talking about something that happens in the terminal
emulator or driver.  Emacs simply uses fwrite to send the text and
tputs to send termcap/terminfo commands to the terminal.  You can see
that in term.c.



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