Change Pearl's cursor logic.

Keyboard dragging while holding Control now moves the cursor to the
target square. Shift-Control-arrowkey performs the previous behavior
of Control-arrowkey.

1 files changed, 5 insertions, 3 deletions

diff --git a/puzzles.but b/puzzles.but
index 65782af..4ab0d0b 100644
--- a/puzzles.but
+++ b/puzzles.but
@@ -2990,9 +2990,11 @@ 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.
+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.)