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[Rolf Leggewie <1059633@xxxxxxxxxxxxxxxxxx>]

raring has seen the end of its life and is no longer receiving any
updates. Marking the raring task for this ticket as "Won't Fix".

** Changed in: emacs23 (Ubuntu Raring)
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/1059633

Title:
  Emacs 'Ediff' Window Shrinks Horizontally To One Column Wide

Status in compiz package in Ubuntu:
  Invalid
Status in emacs23 package in Ubuntu:
  Confirmed
Status in emacs24 package in Ubuntu:
  Fix Released
Status in compiz source package in Precise:
  Invalid
Status in emacs23 source package in Precise:
  Fix Released
Status in emacs24 source package in Precise:
  Invalid
Status in compiz source package in Raring:
  Invalid
Status in emacs23 source package in Raring:
  Won't Fix
Status in emacs24 source package in Raring:
  Fix Released

Bug description:
  [Impact]
  Emacs users can't access the help screen for the ediff tool.

  [Test case]
  (For non emacsy people)

  Run emacs in a graphical environment
  Menu option: Tools->Compare->Two Buffers
  ENTER and ENTER to the two questions prompted

  A new window, 'Ediff', opens and contains the text "Type ? for help"
  In the 'Ediff' window, type the character '?',  This is supposed to display helpful info on the ediff commands

  If broken: 
    Ediff window will expand, then shrink horizontally to one character wide
    Grabbing the frame and resizing will cause the shrinking behavior to repeat
  If fixed:
    Ediff window will expand and show the contents of the help

  [Regression potential]
  It could be that some other graphical environment relies on the bug being present, working around it in a way that if it's not present anymore, the window resizing will break there.  The current patch is tested for Unity and Cinnamon, and has been taken from the fix already applied upstream.

  [Original description]
  Unlike previously reported bug #941790, this bug involves a horizontal shrinkage to one column wide (multiple rows), and is still present in GNU Emacs 23.3.1.  Resizing the window isn't a work-around, as the window immediately shrinks again.  The behavior is observed as follows:

  Run ediff-buffers
  A new window, 'Ediff', opens and contains the text "Type ? for hlep"
  In the 'Ediff' window, type the character '?',  This is supposed to display helpful info on the ediff commands
  Ediff window will expand, then shrink horizontally to one character wide
  Grabbing the frame and reszing will cause the shrinking behavior to repeat

  Releveant packages / versions:
  Ubuntu 12.04.1 LTS
  GNU Emacs 23.3.1
  Unity 5.16.0-0ubuntu1

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