#15345: Laurent polynomial rings don't preserve coercion
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       Reporter:  darij              |        Owner:
           Type:  defect             |       Status:  needs_info
       Priority:  major              |    Milestone:  sage-6.2
      Component:  algebra            |   Resolution:
       Keywords:  laurent            |    Merged in:
  polynomials, polynomials,          |    Reviewers:
  coercion, categories               |  Work issues:
        Authors:                     |       Commit:
Report Upstream:  N/A                |  62bf2e942c670fae6cc705126cced936e8cd268e
         Branch:  u/chapoton/15345   |     Stopgaps:
   Dependencies:                     |
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Changes (by chapoton):

 * status:  new => needs_info


Comment:

 Here is something that seems to work. There remains to add doctests for
 the new behaviour.

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Ticket URL: <http://trac.sagemath.org/ticket/15345#comment:8>
Sage <http://www.sagemath.org>
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