Greatly increase the speed of the Filling solver.

[sgt-puzzles.git] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 65782af8145c8b4d252f15ab8c411cc48e78dd8b..113f46256be171778038453c9254e7bac7c8987f 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -2330,6 +2330,11 @@ pencil mark), and typing a number in is entered in the square in the
 appropriate way; typing in a 0 or using the space bar will clear a
 filled square. 
 
+Left-clicking a clue will mark it as done (grey it out), or unmark it
+if it is already marked.  Holding Control or Shift and pressing an
+arrow key likewise marks any clue adjacent to the cursor in the given
+direction.
+
 (All the actions described in \k{common-actions} are also available.)
 
 \H{unequal-parameters} \I{parameters, for Unequal}Unequal parameters
@@ -2647,7 +2652,8 @@ Pressing M will fill in a full set of pencil marks in every square
 that does not have a main digit in it.
 
 Left-clicking a clue will mark it as done (grey it out), or unmark it
-if it is already marked.
+if it is already marked.  Holding Control or Shift and pressing an
+arrow key likewise marks any clue in the given direction.
 
 (All the actions described in \k{common-actions} are also available.)
 
@@ -2989,10 +2995,13 @@ white clue has to be a corner, but don't yet know which way the corner
 turns, you might mark the one way it \e{can't} go with a cross.)
 
 Alternatively, use the cursor keys to move the cursor.  Use the Enter
-key to begin and end keyboard `drag' operations.  Use the Space key to
-cancel the drag.  Use Ctrl-arrowkey and Shift-arrowkey to simulate a
-left or right click, respectively, on the edge in the given direction
-relative to the cursor, i.e. to draw a segment or a cross.
+key to begin and end keyboard `drag' operations.  Use the Space,
+Escape or Backspace keys to cancel the drag.  Or, hold Control while
+dragging with the cursor keys to toggle segments as you move between
+squares.
+
+Pressing Control-Shift-arrowkey or Shift-arrowkey simulates a left or
+right click, respectively, on the edge in the direction of the key.
 
 (All the actions described in \k{common-actions} are also available.)