#17997: stopgap: `InfinityCrystalOfTableaux.Element.reduced_form` output change
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       Reporter:  jpswanson                   |        Owner:
           Type:  defect                      |       Status:  new
       Priority:  major                       |    Milestone:  sage-6.6
      Component:  combinatorics               |   Resolution:
       Keywords:  days64, crystals, tableaux  |    Merged in:
        Authors:  Josh Swanson                |    Reviewers:
Report Upstream:  N/A                         |  Work issues:
         Branch:                              |       Commit:
   Dependencies:  #15862                      |     Stopgaps:
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Comment (by jpswanson):

 Indeed, #18013 includes a class much like you describe, `BadShapeTableau`.
 Cell locations are arbitrary pairs of integers and entries are completely
 arbitrary. The overall organization we have planned is more or less based
 on two "axes", one being shape restrictions, and the other being entry
 restrictions. `BadShapeTableau` probably is not appropriate here either
 because it's so general, though in principle if all you wanted to do was
 print, it could be used. Ideally there would just be a
 `CompositionShapedTableau` class with no restrictions on entries, of which
 `CompositionTableau` would be a subclass, and this
 `CompositionShapedTableau` class would be used here in `.reduced_form`.
 I'm not sure if it's worth the effort.

--
Ticket URL: <http://trac.sagemath.org/ticket/17997#comment:3>
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