#15902: catch maxima RuntimeErrors and rethrow usefully
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   Reporter:  rws         |            Owner:
       Type:  defect      |           Status:  new
   Priority:  major       |        Milestone:  sage-6.2
  Component:  interfaces  |         Keywords:
  Merged in:              |          Authors:
  Reviewers:              |  Report Upstream:  N/A
Work issues:              |           Branch:
     Commit:              |     Dependencies:
   Stopgaps:              |
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 In `calculus/calculus.py`: `symbolic_expression_from_maxima_string()`
 should catch maxima `RuntimeError`s from `ecl.c` and rethrow them with
 meaningful information, like the statement triggering the error and, if
 possible, the exact maxima error msg.

 At the moment you only get `RuntimeError: ECL says: THROW: The catch
 MACSYMA-QUIT is undefined.`

 (don't know if the latter is possible)

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Ticket URL: <http://trac.sagemath.org/ticket/15902>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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