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[sgt/puzzles] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 5f3f2a9..e468df5 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -47,12 +47,11 @@ ends - PocketPC, Mac OS pre-10, or whatever it might be - then all
 the games in this framework will immediately become available on
 another platform as well.
 
-The actual games in this collection were mostly not my invention; I
-saw them elsewhere, and rewrote them in a form that was more
-convenient for me. I do not claim credit, in general, for inventing
-the rules of any of these puzzles; all I claim is authorship of the
-code (or at least those parts of the code that weren't contributed
-by other people!).
+The actual games in this collection were mostly not my invention; they
+are re-implementations of existing game concepts within my portable
+puzzle framework. I do not claim credit, in general, for inventing the
+rules of any of these puzzles. (I don't even claim authorship of all
+the code; some of the puzzles have been submitted by other authors.)
 
 This collection is distributed under the \i{MIT licence} (see
 \k{licence}). This means that you can do pretty much anything you like
@@ -1197,7 +1196,8 @@ time (but always one that is known to have a solution).
 
 \cfg{winhelp-topic}{games.dominosa}
 
-A normal set of dominoes has been arranged irregularly into a
+A normal set of dominoes - that is, one instance of every (unordered)
+pair of numbers from 0 to 6 - has been arranged irregularly into a
 rectangle; then the number in each square has been written down and
 the dominoes themselves removed. Your task is to reconstruct the
 pattern by arranging the set of dominoes to match the provided array