We believe that your issue has been closed by the upload of
Version 1.0.28 of grml-scripts from Michael Prokop <mika@grml.org>.
The explanation is attached below

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Format: 1.7
Date: Fri, 07 Dec 2007 00:21:36 +0100
Source: grml-scripts
Binary: grml-scripts
Architecture: source i386
Version: 1.0.28
Distribution: unstable
Urgency: low
Maintainer: Michael Prokop <mika@grml.org>
Changed-By: Michael Prokop <mika@grml.org>
Description: 
 grml-scripts - some small scripts which should make life easier
Changes: 
 grml-scripts (1.0.28) unstable; urgency=low
 .
   * grml-quickconfig: sorting the order of the window manager
     list and removing the duplicated dwm. Thanks for reporting,
     Martin Brassel! [Closes: issue356]
Files: 
 74a5a26e6cffa0961702a185513e06fa 606 utils optional grml-scripts_1.0.28.dsc
 4abdd341ec247d5d8b0299ce72b99708 218624 utils optional grml-scripts_1.0.28.tar.gz
 17f7a86c99eccfa9cd0e6272c8dc73d5 241200 utils optional grml-scripts_1.0.28_i386.deb

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grml-version:
grml 1.1-rc1 Release Codename Skunk [2007-11-12]
Also seen in earlier versions.

Starting grml-quickconfig and hitting the 'x' key for grml-x gives the following
output:

   ┌─────────────────────────────────────────────────────────┐
   │ Select a window manager (unsorted list):                │
   │ Press any other key to return to the main menu.         │
   ├─────────────────────────────────────────────────────────┤
   │ dwm evilwm fluxbox fvwm fvwm2 fvwm-crystal dwm          │
   │ openbox pekwm pwm3 twm ratpoison  w9wm windowlab        │
   │ wmii wmi-ng                                             │
   └─────────────────────────────────────────────────────────┘

'dwm' is mentioned twice. Don't worry about the 'wmi-ng' that should be changed
to 'wm-ng' (mika already fixed that).

Deleting the second 'dwm' und putting 'twm' after 'ratpoison' would give an
alphabetical order. The mentioned 'unordered list' would not be necessary any more.
The double space between 'ratpoison' and 'w9wm' could be reduced to a normal
space, just for convenience.

No serious bug.