[racket] Strange editor behaviour

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Sat Sep 14 08:04:57 EDT 2013

This sounds like a bug in the implementation of the shift-left and
shift-right keybindings.

If you can give some kind of a step by step procedure to get into the bad
state, then I think we can probably fix it.


On Sat, Sep 14, 2013 at 6:16 AM, bhrgunatha <bhrgunatha at hotmail.com> wrote:

> I'm having a problem editing programs using DrRacket. This happened once
> before but went away after re-installing. [1].
> I'm having the same issue again. Basically the behaviour of text selection
> is changes while I open and edit different files running a single instance
> of DrRacket.
> If I select some text and then press SHIFT+Left instead of altering the
> selection based on the current cursor position, the selection is extended
> left from the beginning of the text currently selected.
> Similarly for SHIFT+Right - it extends the text selection one character to
> the right from the end of the selection rather than the current cursor
> position. Same for SHIFT+Down, SHIFT+Up.
> Is there some key binding or setting in DrRacket that controls the way
> text selection is handled that I am accidentally hitting?
> It doesn't happen in any other editor - it's specific to DrRacket.
> If I quit DrRacket and re-open it normal operation continues for a while
> again. I don't know if it's a bug or some setting in DrRacket that I am
> unaware of.
> My current specs are:
> Arch Linux 64 bit:
> Linux 3.10.10-1-ARCH #1 SMP PREEMPT x86_64 GNU/Linux
> DrRacket 5.3.6.
> (This is a version I compiled myself - but it's the same using the Arch
> binary package - racket 5.3.6-1)
> Can someone offer any advice?
> Bhrgunatha
> [1] http://article.gmane.org/**gmane.comp.lang.racket.user/**
> 17034/match=bhrgunatha<http://article.gmane.org/gmane.comp.lang.racket.user/17034/match=bhrgunatha>
> ____________________
>  Racket Users list:
>  http://lists.racket-lang.org/**users <http://lists.racket-lang.org/users>
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