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authorAlbrecht Schlosser <albrechts.fltk@online.de>2025-04-04 15:50:36 +0200
committerAlbrecht Schlosser <albrechts.fltk@online.de>2025-04-04 15:50:36 +0200
commiteb1e0f423dc15eb3a71085c7f663836b1d0d6c45 (patch)
treec735f64c733b94790fa5b55bcc7abd78a8140823 /documentation/src/sudoku.man
parentf0a5146359fe2b69ad48d1b99d62eb0c27e5aa5b (diff)
Update man pages of games (demo programs), add glpuzzle.man
Prepare for installation of `games` demo programs. Fix inconsistencies and typos in man pages. In the future the man pages can be installed together with the executables. This will be done in a later commit. documentation/src/glpuzzle.man: new file.
Diffstat (limited to 'documentation/src/sudoku.man')
-rw-r--r--documentation/src/sudoku.man10
1 files changed, 4 insertions, 6 deletions
diff --git a/documentation/src/sudoku.man b/documentation/src/sudoku.man
index f72d4e245..57a9e0ca8 100644
--- a/documentation/src/sudoku.man
+++ b/documentation/src/sudoku.man
@@ -1,4 +1,4 @@
-.TH sudoku 6 "FLTK Sudoku" "15 January 2006"
+.TH sudoku 6 "FLTK Sudoku" "03 March 2025"
.SH NAME
sudoku \- the fltk sudoku game
.sp
@@ -8,17 +8,15 @@ Sudoku (pronounced soo-dough-coo with the emphasis on the first
syllable) is a simple number-based puzzle/game played on a 9x9
grid that is divided into 3x3 subgrids. The goal is to enter a
number from 1 to 9 in each cell so that each number appears only
-once in each column and row.
+once in each column, row, and subgrid.
.LP
At the start of a new game, Sudoku fills in a random selection of
cells for you - the number of cells depends on the difficulty
level you use. Click in any of the empty cells or use the arrow
keys to highlight individual cells and press a number from 1 to 9
to fill in the cell. To clear a cell, press 0, Delete, or
-Backspace. As you complete each subgrid, correct subgrids are
-highlighted in green. When you have successfully completed all
-subgrids, the entire puzzle is highlighted until you start a new
-game.
+Backspace. When you have successfully completed all subgrids,
+the entire puzzle is highlighted until you start a new game.
.LP
As you work to complete the puzzle, you can display possible
solutions inside each cell by holding the Shift key and pressing