Filling: enable keyboard-driven cursor dragging mode.

[sgt-puzzles.git] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 80727c603b6834a89408c63dab04f1f0b8334259..44ee32666161205dbd96204bab459fdeecafa7de 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -897,6 +897,10 @@ You can also move around the grid with the cursor keys. Pressing the
 return key will cycle the current cell through empty, then black, then
 white, then empty, and the space bar does the same cycle in reverse.
 
+Moving the cursor while holding Control will colour the moved-over
+squares black.  Holding Shift will colour the moved-over squares
+white, and holding both will colour them grey.
+
 (All the actions described in \k{common-actions} are also available.)
 
 \H{pattern-parameters} \I{parameters, for Pattern}Pattern parameters
@@ -2449,10 +2453,11 @@ press 0, Space, Backspace or Enter to clear it again (or use the Undo
 feature).
 
 You can also move around the grid with the cursor keys; typing a digit will
-fill the square containing the cursor with that number, or typing 0, Space,
-or Enter will clear it. You can also select multiple squares for numbering
-or clearing by using the return key, before typing a digit to fill in the
-highlighted squares (as above).
+fill the square containing the cursor with that number; typing 0 will clear
+it.  You can also select multiple squares for numbering or clearing with the
+return and arrow keys, before typing a digit to fill or clear the highlighted
+squares (as above).  The space bar adds and removes single squares to and from
+the selection.  Backspace and escape remove all squares from the selection.
 
 (All the actions described in \k{common-actions} are also available.)
 
@@ -2913,7 +2918,9 @@ dotted or empty) in opposite directions.
 
 You can also use the cursor keys to move around the grid squares.
 Pressing Return does the same as clicking with the left button, while
-pressing Space does the same as a right button click.
+pressing Space does the same as a right button click.  Moving with the
+cursor keys while holding Shift will place dots in all squares that
+are moved through.
 
 (All the actions described in \k{common-actions} are also available.)