#11181: edge labels should be unique
-------------------------------+--------------------------------------------
   Reporter:  rlm              |       Owner:  jason, ncohen, rlm
       Type:  defect           |      Status:  needs_review      
   Priority:  major            |   Milestone:  sage-4.7          
  Component:  graph theory     |    Keywords:                    
     Author:  Robert Miller    |    Upstream:  N/A               
   Reviewer:  Christian Stump  |      Merged:                    
Work_issues:                   |  
-------------------------------+--------------------------------------------
Description changed by rlm:

Old description:

> {{{
> sage: G = Graph()
> sage: G.add_edge(0,1,[7])
> sage: G.add_edge(0,2,[7])
> sage: G.edge_label(0,1)[0] += 1
> sage: G.edges()
> [(0, 1, [8]), (0, 2, [8])]
> }}}

New description:

 {{{
 sage: G = Graph()
 sage: G.add_edge(0,1,[7])
 sage: G.add_edge(0,2,[7])
 sage: G.edge_label(0,1)[0] += 1
 sage: G.edges()
 [(0, 1, [8]), (0, 2, [8])]
 }}}

 depends on #11182.

--

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11181#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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