Lee Dowling points out that duplicating the entire grid data

[sgt/puzzles] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 32f331a..2fe9d6c 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -707,6 +707,11 @@ the centre tile of the square you want to rotate.
 Clicking with the left mouse button rotates the group anticlockwise.
 Clicking with the right button rotates it clockwise.
 
+You can also move an outline square around the grid with the cursor
+keys; the square is the size above (2\by\.2 by default, or larger).
+Pressing the return key or space bar will rotate the current square
+anticlockwise or clockwise respectively.
+
 (All the actions described in \k{common-actions} are also available.)
 
 \H{twiddle-parameters} \I{parameters, for Twiddle}Twiddle parameters
@@ -1578,9 +1583,13 @@ right-clicking; whole rows and columns may be similarly locked by
 right-clicking in the laser firing range above/below that column, or
 to the left/right of that row.  
 
+The cursor keys may also be used to move around the grid. Pressing the
+Enter key will add a new ball-location guess, and pressing Space will
+lock a cell or a row/column.
+
 When an appropriate number of balls have been guessed a button will
-appear at the top-left corner of the grid; clicking that will mark
-your guesses. 
+appear at the top-left corner of the grid; clicking that (with mouse or
+cursor) will mark your guesses. 
 
 If you click the \q{mark} button and your guesses are not correct,
 the game will show you as little information as possible to