simon-svn: puzzles: simon

[Commits to Tartarus CVS repository.]

SVN root:       svn://svn.tartarus.org/sgt
Changes by:     simon
Revision:       8882
Date:           2010-02-22 23:14:46 +0000 (Mon, 22 Feb 2010)

Log message (5 lines):
Fixes from James H to the numbering of squares, in particular:
 - sometimes two regions would get the same letter
 - immutable numbers could sometimes be modified
 - immutable numbers are now not flagged as errors when they clash
   (same as Solo's policy)

Modified files:
U   puzzles/signpost.c

Links:
http://svn.tartarus.org/sgt/?rev=8882&view=rev
http://svn.tartarus.org/sgt/puzzles/signpost.c?rev=8882&r1=8881&r2=8882