#14121: Fixing bug in shuffle product
------------------------------+---------------------------------------------
   Reporter:  chrisjamesberg  |             Owner:  Chris Berg             
       Type:  defect          |            Status:  new                    
   Priority:  major           |         Milestone:  sage-5.8               
  Component:  combinatorics   |          Keywords:  shuffle product, days45
Work issues:                  |   Report Upstream:  N/A                    
  Reviewers:  Franco Saliola  |           Authors:  Chris Berg             
  Merged in:                  |      Dependencies:                         
   Stopgaps:                  |  
------------------------------+---------------------------------------------
 Shuffle product contains method does not work properly.

 {{{
 sage: w = Word('ab')
 sage: x = Word('ac')
 sage: w.shuffle(x)
 Shuffle product of word: ab and word: ac
 sage: s = w.shuffle(x)
 sage: s.list()
 [word: abac, word: aabc, word: aacb, word: aabc, word: aacb, word: acab]
 sage: x*w in s
 False
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14121>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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