#19497: Improve comparison framework
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       Reporter:  jdemeyer        |        Owner:
           Type:  enhancement     |       Status:  new
       Priority:  major           |    Milestone:  sage-6.10
      Component:  cython          |   Resolution:
       Keywords:                  |    Merged in:
        Authors:  Jeroen Demeyer  |    Reviewers:
Report Upstream:  N/A             |  Work issues:
         Branch:                  |       Commit:
   Dependencies:                  |     Stopgaps:
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Description changed by jdemeyer:

Old description:

> Completely remove `Element._richcmp` and `Element._cmp`.
>
> Add new a method `richcmp` of the coercion model which replaces the
> different-parents case of `Element._richcmp`.

New description:

 Completely remove `Element._richcmp` and `Element._cmp`.

 Add new a method `richcmp` of the coercion model which replaces the
 different-parents case of `Element._richcmp`.

 Thanks to #19016, we can remove the `__richcmp__` in padics to make them
 intentionally unhashable.

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Ticket URL: <http://trac.sagemath.org/ticket/19497#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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