#15998: Restore some documentation and doctests and a function removed with 
#15466
-------------------------------------+-------------------------------------
       Reporter:  darij              |        Owner:
           Type:  defect             |       Status:  positive_review
       Priority:  major              |    Milestone:  sage-6.2
      Component:  combinatorics      |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Darij Grinberg     |    Reviewers:  Nathann Cohen
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  public/combinat/re-15466           |  5f67fa2245dec9fbf1670c75cd0a41a6da18959f
   Dependencies:                     |     Stopgaps:
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Comment (by darij):

 Replying to [comment:25 ncohen]:
 > Well. You know that x[h] is at least 3, and that everything to its right
 is a 1.
 >
 > First, if the current partition is not of length k then you know that
 you can add a new entry, so for sure you can decrease the current value
 and move a +1 somewhere to the right

 But this might not be what I want to do!

 For instance, say, we have the partition [7,5,1] and the max length is 4.
 We can subtract 1 from the 5 and make it [7,4,1,1], but this is not the
 next partition in the reverse lexicographic order (that would be [7,4,2]).

 I fear this breaks your simplification; it would indeed work for length k
 but not when the length is smaller.

 > By the way, it is totally impossible to type [] on a mac keyboard. I
 wonder how can anybody write code with their cursed keyboard.

 I'm wondering how anyone can ever do something reasonable on these things.
 But well, it looks like all major OSes are losing usability in the last
 few years...

 Thanks again for all the help and the positive review!

--
Ticket URL: <http://trac.sagemath.org/ticket/15998#comment:27>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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