This is a collection of small one-player puzzle games.
-\copyright This manual is copyright 2004-5 Simon Tatham. All rights
+\copyright This manual is copyright 2004-2006 Simon Tatham. All rights
reserved. You may distribute this documentation under the MIT licence.
See \k{licence} for the licence text in full.
a good game on (say) \i{Unix}, it wasn't available the next time I
was sitting at a \i{Windows} machine, or vice versa; so I arranged
that everything in my personal puzzle collection will happily run on
-both, and have more recently done a port to Mac OS X as well. When I
+both, and have more recently done a port to \i{Mac OS X} as well. When I
find (or perhaps invent) further puzzle games that I like, they'll
be added to this collection and will immediately be available on
both platforms. And if anyone feels like writing any other front
and via \I{keys}keyboard shortcuts, in addition to any game-specific
actions.
-(On Mac OS X, to conform with local user interface standards, these
+(On \i{Mac OS X}, to conform with local user interface standards, these
actions are situated on the \I{File menu}\q{File} and \I{Edit
menu}\q{Edit} menus instead.)
same puzzle.
The \q{\i{Specific}} and \q{\i{Random Seed}} options from the
-\I{Game menu}\q{Game} menu (or the \q{File} menu, on Mac OS X) each
+\I{Game menu}\q{Game} menu (or the \q{File} menu, on \i{Mac OS X}) each
show a piece of text (a \q{game ID}) which is sufficient to
reconstruct precisely the same game at a later date.
\H{common-cmdline} Specifying game parameters on the \i{command line}
-(This section does not apply to the Mac OS X version.)
+(This section does not apply to the \i{Mac OS X} version.)
The games in this collection deliberately do not ever save
information on to the computer they run on: they have no high score
some people to play them at work, and those people will probably
appreciate leaving as little evidence as possible!)
-However, if you do want to arrange for one of these games to default
-to a particular set of parameters, you can specify them on the
-command line.
+However, if you do want to arrange for one of these games to
+\I{default parameters, specifying}default to a particular set of
+parameters, you can specify them on the command line.
The easiest way to do this is to set up the parameters you want
using the \q{Type} menu (see \k{common-type}), and then to select
then some options, such as the difficulty level in Solo, will be
missing. See \k{common-id} for more details on this.)
-\H{common-unix-cmdline} Unix \i{command-line} options
+\H{common-unix-cmdline} \i{Unix} \i{command-line} options
(This section only applies to the Unix port.)
\dt \cw{--generate }\e{n}
\dd If this option is specified, instead of a puzzle being displayed,
-a number of descriptive game IDs will be invented and printed on
-standard output. This is useful for gaining access to the game
-generation algorithms without necessarily using the frontend.
+a number of descriptive game IDs will be \I{generating game IDs}invented
+and printed on standard output. This is useful for gaining access to
+the game generation algorithms without necessarily using the frontend.
\lcont{
you select 3\by\.4 then the digits which go in your grid will be 1
to 9, plus \cq{a}, \cq{b} and \cq{c}.
-I first saw this puzzle in \i{Nikoli} \k{nikoli-solo}, although it's also
-been popularised by various newspapers under the name \q{Sudoku} or
-\q{Su Doku}.
+I first saw this puzzle in \i{Nikoli} \k{nikoli-solo}, although it's
+also been popularised by various newspapers under the name
+\q{Sudoku} or \q{Su Doku}. Howard Garns is considered the inventor
+of the modern form of the puzzle, and it was first published in
+\e{Dell Pencil Puzzles and Word Games}. A more elaborate treatment
+of the history of the puzzle can be found on Wikipedia
+\k{wikipedia-solo}.
\B{nikoli-solo} \W{http://www.nikoli.co.jp/puzzles/1/index_text-e.htm}\cw{http://www.nikoli.co.jp/puzzles/1/index_text-e.htm}
+\B{wikipedia-solo} \W{http://en.wikipedia.org/wiki/Sudoku}\cw{http://en.wikipedia.org/wiki/Sudoku}
+
\H{solo-controls} \I{controls, for Solo}Solo controls
To play Solo, simply click the mouse in any empty square and then
correctly-coloured pegs in the wrong places (in white).
This game is also known (and marketed, by Hasbro, mainly) as
-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.
+a board game \q{\i{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.
Guess was contributed to this collection by James Harvey.
(i.e. are diagonally separated) may be the same colour.
I believe this puzzle is original; I've never seen an implementation
-of it anywhere else. The concept of a four-colouring puzzle was
+of it anywhere else. The concept of a \i{four-colouring} puzzle was
suggested by Owen Dunn; credit must also go to Nikoli and to Verity
Allan for inspiring the train of thought that led to me realising
Owen's suggestion was a viable puzzle. Thanks also to Gareth Taylor
\dd Size of grid in squares.
-\dt \e{Recursion depth}
-
-\dd Determines how much guesswork and backtracking you will need to
-do to solve the puzzle. When this is set to zero (as it is for all
-of the \q{Easy} options in the menu), you should always be able to
-deduce the state of an edge without having to guess. If you increase
-it, you will have to guess more and more.
-
-\lcont{
-
-Setting a high value for this option is liable to consume a lot of
-CPU time and memory. Be warned!
+\dt \e{Difficulty}
-}
+\dd Controls the difficulty of the generated puzzle.
+\#{FIXME: what distinguishes Easy, Medium, and Hard? In particular,
+when are backtracking/guesswork required, if ever?}
\C{inertia} \i{Inertia}
\A{licence} \I{MIT licence}\ii{Licence}
-This software is \i{copyright} 2004-2005 Simon Tatham.
+This software is \i{copyright} 2004-2006 Simon Tatham.
Portions copyright Richard Boulton, James Harvey and Mike Pinna.
\IM{command-line}{command line} command line
+\IM{default parameters, specifying} default parameters, specifying
+\IM{default parameters, specifying} preferences, specifying default
+
+\IM{Unix} Unix
+\IM{Unix} Linux
+
+\IM{generating game IDs} generating game IDs
+\IM{generating game IDs} game ID, generating
+
\IM{specific} \q{Specific}, menu option
\IM{custom} \q{Custom}, menu option