#17701: diff(f,t) should work even with Function objects
-------------------------------------+-------------------------------------
       Reporter:  rws                |        Owner:
           Type:  defect             |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-7.2
      Component:  calculus           |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Ralf Stephan       |    Reviewers:  Travis Scrimshaw
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/rws/diff_f_t__should_work_even_with_function_objects|  
0cecec3ff4c53e8e030311b4b55fc9e7d96a8cda
   Dependencies:                     |     Stopgaps:
-------------------------------------+-------------------------------------
Changes (by tscrim):

 * reviewer:   => Travis Scrimshaw
 * milestone:  sage-6.8 => sage-7.2


Comment:

 Should we expect this to work?
 {{{
 sage: f = function('f')
 sage: diff(f, x=x)
 }}}
 Also, in an effort to be an uniform with python, could you make the error
 message start with a lowercase letter?

--
Ticket URL: <http://trac.sagemath.org/ticket/17701#comment:9>
Sage <http://www.sagemath.org>
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