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This bug was fixed in the package dvipng - 1.15-0ubuntu1

---------------
dvipng (1.15-0ubuntu1) xenial; urgency=medium

  * New upstream version.
    - Fix segfault with missing xcolor.sty. Closes: #712570.
    - Fix segfault with OOM conditions. Closes: #778524.
  * dvipng: Recommend latex-xcolor. LP: #1191673.
  * Bump standards version, debian compat level.

 -- Matthias Klose <doko@xxxxxxxxxx>  Fri, 08 Jan 2016 15:16:19 +0100

** Changed in: dvipng (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1191673

Title:
  dvipng should depend on latex-xcolor

Status in dvipng package in Ubuntu:
  Fix Released
Status in dvipng package in Debian:
  New

Bug description:
  I'm running Kubuntu Raring, with versions as below:
  texlive-base: 2012.20120611-5
  dvipng: 1.14-1build1

  I have this simple document foo.tex:

  \documentclass[16pt]{article}
  \usepackage{amsmath,amssymb}
  \usepackage{breqn}
  \pagestyle{empty}
  \begin{document}
  $ \infty $
  \end{document}

  I do latex foo.tex and I get the .dvi files with no problems. Then I
  do:

  dvipng -T tight -D 150 -bg Transparent -fg Blue -O 0cm,0cm foo.png
  foo.dvi

  I get this:

  This is dvipng 1.14 Copyright 2002-2010 Jan-Ake Larsson
  Segmentation fault (core dumped)

  gdb says there are no debugging symbols so I couldn't try that.

  Due to this dvipng problem I am not able to use SymPyPrt
  (https://github.com/scios/IPyXt) on IPython2/3:
  https://groups.google.com/d/msg/sympy/WzwS3578TuU/sZAYDcFQ8cIJ

  I did not have a problem with using SymPyPrt on Kubuntu Precise of
  last year, and I thought dvipng has practically not changed in Raring
  since Precise:
  http://packages.ubuntu.com/search?keywords=dvipng&searchon=names&suite=all&section=all
  except for a new build. The changelog
  http://changelogs.ubuntu.com/changelogs/pool/main/d/dvipng/dvipng_1.14-1build1/changelog
  says the new build is for some kpathsea transition.

  The upstream author reports that this works in Linux Mint and thinks
  it could be some kpathsea problem:
  http://lists.nongnu.org/archive/html/dvipng/2013-06/msg00001.html.
  Surely in Kubuntu Precise there was no problem.

  I'm not sure about Quantal since I never used it (directly came
  Precise->Raring). However I would imagine the same problem exists
  there because the dvipng version is the same.

  Please fix this, thank you!

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