X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/64455a5a2cc788332559e267abafd63326dffa60..32ee875d1c3ce6883ccb33cfac178bb36e6d936b:/puzzles.but

diff --git a/puzzles.but b/puzzles.but
index 4a42eb6..57dc3b5 100644
--- a/puzzles.but
+++ b/puzzles.but
@@ -94,6 +94,22 @@ menu}\q{Edit} menus instead.)
 
 \dd Resets the current game to its initial state. (This can be undone.)
 
+\dt \ii\e{Load}
+
+\dd Loads a saved game from a file on disk.
+
+\dt \ii\e{Save}
+
+\dd Saves the current state of your game to a file on disk.
+
+\lcont{
+
+The Load and Save operations should preserve your entire game
+history (so you can save, reload, and still Undo and Redo things you
+had done before saving).
+
+}
+
 \dt \ii\e{Undo} (\q{U}, Ctrl+\q{Z}, Ctrl+\q{_})
 
 \dd Undoes a single move. (You can undo moves back to the start of the
@@ -1011,7 +1027,11 @@ change when you flip it.
 \IM{Flip controls} keys, for Flip
 \IM{Flip controls} shortcuts (keyboard), for Flip
 
-Left-click in a square to flip it and its associated squares.
+This game can be played with either the keyboard or the mouse.
+
+Left-click in a square to flip it and its associated squares, or
+use the cursor keys to choose a square and the space bar or Enter
+key to flip.
 
 If you use the \q{Solve} function on this game, it will mark some of
 the squares in red. If you click once in every square with a red
@@ -1047,11 +1067,11 @@ predetermined sequence of them (chosen by the computer) within a
 certain number of guesses. 
 
 Each guess gets marked with the number of correctly-coloured pegs
-in the correct places (in red), and also the number of
-correctly-coloured pegs in the wrong places. 
+in the correct places (in black), and also the number of
+correctly-coloured pegs in the wrong places (in white). 
 
 This game is also known (and marketed, by Hasbro, mainly) as
-a board game `Mastermind', with 6 colours, 4 pegs per row, and 10 guesses.
+a board game \q{Mastermind}, with 6 colours, 4 pegs per row, and 10 guesses.
 However, this version allows custom settings of number of colours
 (up to 10), number of pegs per row, and number of guesses. 
 
@@ -1063,27 +1083,38 @@ Guess was contributed to this collection by James Harvey.
 \IM{Guess controls} keys, for Guess
 \IM{Guess controls} shortcuts (keyboard), for Guess
 
-Drag a peg from the tray on the left-hand side to its required
-position in the current guess; pegs may also be dragged from the 
-current guess to copy them elsewhere.
+This game can be played with either the keyboard or the mouse.
+
+With the mouse, drag a coloured peg from the tray on the left-hand
+side to its required position in the current guess; pegs may also be
+dragged from current and past guesses to copy them elsewhere. To
+remove a peg, drag it off its current position to somewhere invalid.
 
-Right-clicking in the current guess adds a 'hold' marker; pegs
+Right-clicking in the current guess adds a \q{hold} marker; pegs
 that have hold markers will be automatically added to the next guess
 after marking.
 
-When the guess is complete, the feedback pegs will be highlighted;
-clicking on these will mark the current guess, copy any held pegs
-to the next guess, and move the 'current guess' marker.
+Alternatively, with the keyboard, the up and down cursor keys can be
+used to select a peg colour, the left and right keys to select a
+peg position, and the space bar or Enter key to place a peg of the
+selected colour in the chosen position. \q{D} or Backspace removes a
+peg, and \q{H} adds a hold marker.
+
+When the guess is complete, the smaller feedback pegs will be highlighted;
+clicking on these (or moving the peg cursor to them with the arrow keys
+and pressing the space bar or Enter key) will mark the current guess,
+copy any held pegs to the next guess, and move the \q{current guess}
+marker.
 
 If you correctly position all the pegs the solution will be displayed
-below; if you run out of guesses (or select 'Solve...') the solution
-will also be revealed. 
+below; if you run out of guesses (or select \q{Solve...}) the solution
+will also be revealed.
 
 \H{guess-parameters} \I{parameters, for guess}Guess parameters
 
 These parameters are available from the \q{Custom...} option on the
 \q{Type} menu. The default game matches the parameters for the 
-board game 'Mastermind'. 
+board game \q{Mastermind}. 
 
 \dt \e{Colours}