Solution uniqueness for Net. Can be disabled on request (but is

[sgt/puzzles] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 44bdb25..bf2601b 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -346,6 +346,15 @@ barrier is placed between two tiles to prevent flow between them (a
 higher number gives more barriers). Since barriers are immovable, they
 act as constraints on the solution (i.e., hints).
 
+\dt \e{Ensure unique solution}
+
+\dd Normally, Net will make sure that the puzzles it presents have
+only one solution. Puzzles with ambiguous sections can be more
+difficult and more subtle, so if you like you can turn off this
+feature and risk having ambiguous puzzles. (Also, finding \e{all}
+the possible solutions can be an additional challenge for an
+advanced player.)
+
 \lcont{
 
 The grid generation in Net has been carefully arranged so that the