#16932: Dot2tex fails to give right error message on one specific poset
--------------------------+----------------------------
   Reporter:  jmantysalo  |            Owner:
       Type:  defect      |           Status:  new
   Priority:  minor       |        Milestone:  sage-6.4
  Component:  graphics    |         Keywords:  dot2tex
  Merged in:              |          Authors:
  Reviewers:              |  Report Upstream:  N/A
Work issues:              |           Branch:
     Commit:              |     Dependencies:
   Stopgaps:              |
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 If `preview.sty` is missing and `dot2tex` is installed, then

 {{{
 view(Poset( ([1,2,3,4,5],[[1,2],[1,3],[3,4],[2,5],[4,5]])),tightpage=True)
 }}}

 gives exception. For example

 {{{
 view(graphs.PetersenGraph(), tightpage=True)
 }}}

 works as it should, i.e. says what LaTeX package user is missing. With
 `preview.sty` installed both examples works.

--
Ticket URL: <http://trac.sagemath.org/ticket/16932>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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