#15288: Balanced Incomplete Block Designs with k=4
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       Reporter:         |        Owner:
  ncohen                 |       Status:  positive_review
           Type:         |    Milestone:  sage-6.2
  enhancement            |   Resolution:
       Priority:  major  |    Merged in:
      Component:         |    Reviewers:  Dima Pasechnik
  combinatorics          |  Work issues:
       Keywords:         |       Commit:
        Authors:         |  79386587dc542a0741cb16f7bc99bd0792e4fe75
  Nathann Cohen          |     Stopgaps:
Report Upstream:  N/A    |
         Branch:         |
  public/15288           |
   Dependencies:         |
  #15287                 |
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Comment (by dimpase):

 here is the diff to fix the thing:
 {{{
 --- a/src/sage/combinat/designs/bibd.py
 +++ b/src/sage/combinat/designs/bibd.py
 @@ -449,7 +449,7 @@ def _relabel_bibd(B,n):

  def PBD_4_5_8_9_12(v, check=True):
      """
 -    Returns a `(v,\{\4,5,8,9,12\})-PBD` on `v` elements.
 +    Returns a `(v,\{4,5,8,9,12\})-PBD` on `v` elements.

      A `(v,\{4,5,8,9,12\})`-PBD exists if and only if `v\equiv 0,1 \pmod
 4`. The
      construction implemented here appears page 168 in [Stinson2004]_.
 }}}
 I have to f*cking clue how to push such a commit into the right place.
 `Git the hard way` does give recepies that push something somewhere, but
 certainly not where it should go to...

--
Ticket URL: <http://trac.sagemath.org/ticket/15288#comment:25>
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