#15567: Fix Alphabet and improvements to Family
-------------------------+-------------------------------------------------
       Reporter:         |        Owner:  sage-combinat
  tscrim                 |       Status:  needs_info
           Type:         |    Milestone:  sage-6.1
  defect                 |   Resolution:
       Priority:  major  |    Merged in:
      Component:         |    Reviewers:
  combinatorics          |  Work issues:
       Keywords:         |       Commit:
  alphabet               |  baaabd695e6aa168e02ef6ac2d933e9338e663b9
        Authors:         |     Stopgaps:
  Travis Scrimshaw       |
Report Upstream:  N/A    |
         Branch:         |
  public/15567           |
   Dependencies:         |
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Comment (by tscrim):

 Your way of doing things only suppresses the commit message that's put on
 trac, there is still the merge in the git history. However I'm not for
 rewriting history on a branch on a ticket.

 I've fixed the errors I found, standardized the exception messages, and
 did some other cleanup of documentation in `family.py`.

 I swap the arguments to be consistent with `PolynomialRing` and because it
 makes it more user-friendly (at least less requirement of the user to look
 at the doc).

 As I believe you are aware, `name` is not used as a `prefix`, so we let it
 be (and if you meant `names`, then see Vincent's request).

 I don't exactly think `Alphabet` should be in the global namespace since
 it's not a class, but it doesn't bother me leaving it around since it is a
 natural (historical) guess/entry point (and if you want to deprecate it,
 please do so on another ticket).

 Best,[[BR]]
 Travis

--
Ticket URL: <http://trac.sagemath.org/ticket/15567#comment:27>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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