length will turn out to be possible.
-\C{rectangles} \i{Rectangles}
+\C{rect} \i{Rectangles}
\cfg{winhelp-topic}{games.rectangles}
\c |......O.|
\c H........|
\c |.....O..|
-\c 12-RH---
+\c 12-RR---
As shown, it is possible for a beam to receive multiple reflections
before re-emerging (see turn 3). Similarly, a beam may be reflected
You can also use the cursor keys to move around the grid. Pressing the
return key over an empty square will place a tent, and pressing the
space bar over an empty square will colour it green; either key will
-clear an occupied square.
+clear an occupied square. Holding Shift and pressing the cursor keys
+will colour empty squares green. Holding Control and pressing the
+cursor keys will colour green both empty squares and squares with tents.
(All the actions described in \k{common-actions} are also available.)
pressing space will also erase pencil marks.
As for Solo, the cursor keys can be used in conjunction with the digit
-keys to set numbers or pencil marks. You can also use the 'M' key to
-auto-fill every numeric hint, ready for removal as required, or the 'H'
+keys to set numbers or pencil marks. You can also use the \q{M} key to
+auto-fill every numeric hint, ready for removal as required, or the \q{H}
key to do the same but also to remove all obvious hints.
Alternatively, use the cursor keys to move the mark around the grid.
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 begin and end keyboard \q{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.