X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/b2ae5b05c9bd381daec303c6b038a12e7a0fbde2..e91f8f2683c327f6f3476a702f5636b2b4547e69:/puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 32f331a..40cfdae 100644
--- 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
@@ -2126,6 +2135,15 @@ will be prevented from accidentally modifying any of those bridges
 in future. Left-clicking again on a highlighted island will unmark
 it and restore your ability to modify it.
 
+You can also use the cursor keys to move around the grid: if possible
+the cursor will always move orthogonally, otherwise it will move
+towards the nearest island to the indicated direction. Pressing the
+return key followed by a cursor key will lay an island in that direction
+(if available); pressing the space bar followed by a cursor key will
+lay a \q{non-bridge} marker.
+
+You can mark an island as finished by pressing the return key twice.
+
 Violations of the puzzle rules will be marked in red:
 
 \b An island with too many bridges will be highlighted in red.