#8618: Non standard alphabet
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Reporter: vdelecroix | Owner: sage-combinat
Type: defect | Status: new
Priority: major | Milestone: sage-4.4
Component: combinatorics | Keywords: word, substitution
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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It seems that some functions that use morphisms of words do not work for
not standard alphabet. This ticket follows the bug found in the
fixed_point method (#8595).
'''pseudo palindrome'''
{{{
sage: t = WordMorphism({'a1':['a2'], 'a2':['a1']})
sage: W = Words(['a1','a2'])
sage: W(['a1','a2']).is_palindrome(t)
AttributeError Traceback (most recent call last)
...
KeyError: 'a'
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8618>
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