[Pkg-gmagick-im-team] Bug#632031: convert: gray colorspace creates broken postscript

[Christoph Nodes]

Package: imagemagick
Version: 8:6.6.9.7-5
Severity: normal

the use of gray colorspace creates broken postscript code:

$ convert rose: -colorspace Gray ps:test.ps && gs test.ps
GPL Ghostscript 8.71 (2010-02-10)
Copyright (C) 2010 Artifex Software, Inc.  All rights reserved.
This software comes with NO WARRANTY: see the file PUBLIC for details.
Loading NimbusRomNo9L-Regu font from
/usr/share/fonts/type1/gsfonts/n021003l.pfb... 2532596 1218034 4015460 2730016
1 done.
Error: /typecheck in --idiv--
Operand stack:
   grays   560.0   8
Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--
--nostringval--   2   %stopped_push   --nostringval--   --nostringval--
--nostringval--   false   1   %stopped_push   1878   1   3   %oparray_pop
1877   1   3   %oparray_pop   1861   1   3   %oparray_pop   1755   1   3
%oparray_pop   --nostringval--   %errorexec_pop   .runexec2   --nostringval--
--nostringval--   --nostringval--   2   %stopped_push   --nostringval--
--nostringval--   --nostringval--
Dictionary stack:
   --dict:1153/1684(ro)(G)--   --dict:0/20(G)--   --dict:89/200(L)--
Current allocation mode is local
Current file position is 5868
GPL Ghostscript 8.71: Unrecoverable error, exit code 1



-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (550, 'testing'), (500, 'oldstable'), (500, 'stable'), (200, 'unstable'), (1, 'experimental')
Architecture: i386 (x86_64)

Kernel: Linux 3.0.0-rc5-64+ (SMP w/8 CPU cores; PREEMPT)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/bash

Versions of packages imagemagick depends on:
ii  libbz2-1.0              1.0.5-6          high-quality block-sorting file co
ii  libc6                   2.13-7bfw1       Embedded GNU C Library: Shared lib
ii  libfontconfig1          2.8.0-2.2+b0     generic font configuration library
ii  libfreetype6            2.4.4-1          FreeType 2 font engine, shared lib
ii  libglib2.0-0            2.28.6-1         The GLib library of C routines
ii  libgomp1                4.6.0-10bfw1     GCC OpenMP (GOMP) support library
ii  libice6                 2:1.0.7-2        X11 Inter-Client Exchange library
ii  libjpeg62               6b1-1            The Independent JPEG Group's JPEG 
ii  liblcms1                1.18.dfsg-1.2+b4 Color management library
ii  liblqr-1-0              0.4.1-1          converts plain array images into m
ii  libltdl7                2.4-2            A system independent dlopen wrappe
ii  libmagickcore4          8:6.6.9.7-5      low-level image manipulation libra
ii  libmagickwand4          8:6.6.9.7-5      image manipulation library
ii  libsm6                  2:1.2.0-2        X11 Session Management library
ii  libtiff4                3.9.5-1          Tag Image File Format (TIFF) libra
ii  libx11-6                2:1.4.3-2        X11 client-side library
ii  libxext6                2:1.3.0-3        X11 miscellaneous extension librar
ii  libxt6                  1:1.1.1-2        X11 toolkit intrinsics library
ii  zlib1g                  1:1.2.3.4.dfsg-3 compression library - runtime

Versions of packages imagemagick recommends:
ii  ghostscript             8.71~dfsg2-9bfw1 The GPL Ghostscript PostScript/PDF
ii  libmagickcore4-extra    8:6.6.9.7-5      low-level image manipulation libra
ii  netpbm                  2:10.0-12.2+b1   Graphics conversion tools between 
ii  ufraw-batch             0.18-1           batch importer for raw camera imag

Versions of packages imagemagick suggests:
pn  autotrace                    <none>      (no description available)
ii  curl                         7.21.6-2    Get a file from an HTTP, HTTPS or 
ii  enscript                     1.6.5.2-1   converts text to Postscript, HTML 
pn  ffmpeg                       <none>      (no description available)
ii  gimp                         2.6.11-3    The GNU Image Manipulation Program
ii  gnuplot                      4.4.0-1.1   A command-line driven interactive 
pn  grads                        <none>      (no description available)
ii  groff-base                   1.21-6      GNU troff text-formatting system (
pn  hp2xx                        <none>      (no description available)
pn  html2ps                      <none>      (no description available)
pn  imagemagick-doc              <none>      (no description available)
ii  libwmf-bin                   0.2.8.4-8   Windows metafile conversion tools
ii  lprng [lpr]                  3.8.B-1+b1  lpr/lpd printer spooling system
pn  mplayer                      <none>      (no description available)
pn  povray                       <none>      (no description available)
pn  radiance                     <none>      (no description available)
ii  sane-utils                   1.0.22-3    API library for scanners -- utilit
ii  texlive-binaries [texlive-ba 2009-8      Binaries for TeX Live
ii  transfig                     1:3.2.5.d-1 Utilities for converting XFig figu
ii  xdg-utils                    1.1.0~rc1-2 desktop integration utilities from

-- no debconf information