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bug#18309: 24.3.93; cua-rectangle-mark-mode error

From: João Távora
Subject: bug#18309: 24.3.93; cua-rectangle-mark-mode error
Date: Thu, 21 Aug 2014 10:50:51 +0100

Hi, maintainers,

emacs -Q

In the *scratch* buffer

   M-x beginning-of-buffer
   M-x newline
   M-x forward-word
   M-x cua-rectangle-mark-mode
   M-x cua-resize-rectangle-left
   M-x cua-resize-rectangle-up

An error is signalled

   Error in post-command-hook (cua--rectangle-post-command):
   (args-out-of-range 0 0)

The rectangle is left in an unconsistent state: typing still enters text
inside the rectangle but the red highlighting is never

Furthermore cursor can be moved to other places and text still goes
inside the rectangle and creating a rectangle somewhere in the same
buffer else somehow revives the old rectangle.

There used to be another bug that I can't reproduce anymore so perhaps
the bug above was introduced by a a fix between 24.3.91 and 24.3.93: An
error used to be signalled sometimes after existing
cua-rectangle-mark-mode and trying to reenter it again in another


In GNU Emacs (i686-pc-mingw32)
 of 2014-08-15 on LEG570
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --enable-checking 'CFLAGS=-O0 -g3' CPPFLAGS=-DGLYPH_DEBUG=1'

Important settings:
  value of $LC_CTYPE: UTF-8
  value of $LANG: C.UTF-8
  locale-coding-system: cp1252

Major mode: Lisp Interaction

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