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bug#7117: 23.2.2 mangles terminal escape sequences

From: Eli Zaretskii
Subject: bug#7117: 23.2.2 mangles terminal escape sequences
Date: Thu, 30 Sep 2010 17:44:32 +0200

> Date: Thu, 30 Sep 2010 17:14:16 +0200
> From: Ryan Johnson <address@hidden>
> CC: address@hidden, address@hidden
> >>  From the above, it seems that scrolling past beginning or end of buffer
> >> triggers an error, which I guess is somewhat justifiable.
> > Indeed.  Perhaps we need some infrastructure to ignore errors in this
> > case (I assume `ignore-errors' won't help).  Or maybe we should allow
> > not to discard input when we signal an error.  Or maybe discard-input
> > should be smarter, and not discard partial escape sequences?
> One thing I don't get is, I've been using emacs over painfully slow ssh 
> connections for literally years -- sometimes slow enough that keystrokes 
> take visible time to echo. This was never really an issue before.

What would you expect to see, that would cause you think it was "an
issue"?  When Emacs is keyboard-driven, typing text and scrolling
commands seldom happen in such a quick succession that hitting end of
buffer while scrolling would discard text you typed meanwhile.  And
even if it did, how would you know for sure you actually typed it?

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