#15265: Additional functionality for Farey symbols
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       Reporter:  hmonien            |        Owner:  hmonien
           Type:  enhancement        |       Status:  needs_work
       Priority:  major              |    Milestone:  sage-5.13
      Component:  modular forms      |   Resolution:
       Keywords:  Farey symbol,      |    Merged in:
  arithmetic subgroups               |    Reviewers:  David Loeffler
        Authors:  Hartmut Monien     |  Work issues:  LaTeX display doesn't
Report Upstream:  N/A                |  work
         Branch:                     |       Commit:
   Dependencies:                     |     Stopgaps:
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Comment (by davidloeffler):

 I'm not sure that the comparison with using tikz for graphs is a fair one.
 There's clearly no hope of getting standard LaTeX to render graphs, so
 it's reasonable to require an extra package. On the other hand, one can
 produce a viable approximation to a Farey symbol without using any extra
 packages, as in my recent ticket #14971; this may not look quite so nice
 as your version, but it avoids these compatibility issues.

 Can you add a doctest illustrating your changes to
 arithgroup_element.acton?

--
Ticket URL: <http://trac.sagemath.org/ticket/15265#comment:7>
Sage <http://www.sagemath.org>
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