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Re: Text selection can't be erased by pressing delete

From: Bob Proulx
Subject: Re: Text selection can't be erased by pressing delete
Date: Fri, 20 Aug 2010 10:42:38 -0600
User-agent: Mutt/1.5.18 (2008-05-17)

Gabriel TEIXEIRA wrote:
> I've been working with three simultaneous emacs windows, each one  
> containing a diferent project, and I noticed that two of those three are  
> presenting a weird behaviour.

On what system are you running emacs?  Is this GNU/Unix, Cygwin, MSYS,
other?  Running in a terminal window, or under a X11, or other native

> When I select a text in those windows (like by pushing Shift and
> then the arrow keys), and then I push the key Delete, I expect that
> the selected/highlighted text be erased, but instead, it erases a
> single character to the left of the cursor (like would happen
> without the selection) and the selection disappears (although the
> same operation works with Backspace or Shift+Delete normally).  It
> seems that the Delete key is not anymore aware of the text
> selection.

That would be the "normal" traditional behavior of Emacs on Unix
machines for all of time prior to the recent introduction of Microsoft
key bindings.

> It is even more weird the fact that this doesn't happen with the
> window that I opened the last and the other windows that I opened
> after to check the behaviour. I seems that emacs "wears" after some
> time opened.

That does seem strange that it would change behavior depending upon
whether you have launched subsequent emacs processes.

> Anyone have any idea of what's this? Is this a bug or I typed
> accidentaly any command that triggers this behaviour?

I do not use CUA mode but the behavior makes me wonder if something is
causing it to be enabled and then disabled somehow.

What is the behavior when using emacs without customizations?

  emacs -q

And without any initialization?

  emacs -Q

Thinking that there must be something in the initialization that is
behaving undesirably.


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