simon-svn: puzzles: simon

[Commits to Tartarus CVS repository.]

SVN root:       svn://svn.tartarus.org/sgt
Changes by:     simon
Revision:       10233
Date:           2014-09-21 16:33:01 +0100 (Sun, 21 Sep 2014)

Log message (5 lines):
Improve connectedness-error highlighting in Singles.

Using exactly the same policy as I did for Range the other day: if
multiple regions exist, then one is taken to be canonical and all the
others are marked as errors.

Modified files:
U   puzzles/singles.c

Links:
http://svn.tartarus.org/sgt/?rev=10233&view=rev
http://svn.tartarus.org/sgt/puzzles/singles.c?rev=10233&r1=10232&r2=10233