#15618: Use the correct categories for coercion and conversion maps
-------------------------------------+-------------------------------------
       Reporter:  pbruin             |        Owner:
           Type:  defect             |       Status:  needs_work
       Priority:  major              |    Milestone:  sage-6.4
      Component:  coercion           |   Resolution:
       Keywords:  conversion map     |    Merged in:
        Authors:  Peter Bruin        |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/pbruin/15618-DefaultConvertMap   |  bb452a7f168890c3dbeaf049c5a4537e5827cb0e
   Dependencies:  #16401, #16402     |     Stopgaps:
-------------------------------------+-------------------------------------
Changes (by pbruin):

 * cc: nthiery (added)


Comment:

 The last commit seems to fix the bugs.

 Nicolas: I think we can safely remove the `Schemes.Homsets` class with its
 `extra_super_categories` method, as in this commit.  However, is it the
 intended behaviour that the former ''presence'' of this class + method
 caused `Schemes().Homsets()` to acquire ''fewer'' supercategories?  What
 is the explanation for this?

--
Ticket URL: <http://trac.sagemath.org/ticket/15618#comment:26>
Sage <http://www.sagemath.org>
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