shithub: puzzles

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Phil Bordelon points out that the Unequal difficulty settings
documentation is a bit odd, and also offers a signedness fix in
latin.c.

[originally from svn r7112]

--- a/latin.c

+++ b/latin.c

@@ -947,7 +947,7 @@

 #ifdef STANDALONE_SOLVER

     if (solver_show_working) {

         struct latin_solver ls, *solver = &ls;

-        char *dbg;

+        unsigned char *dbg;

         int x, y, i, c = 0;

         ls.cube = cube; ls.o = o; /* for cube() to work */

--- a/puzzles.but

+++ b/puzzles.but

@@ -2136,10 +2136,11 @@

 \dt \e{Difficulty}

-\dd Controls the difficulty of the generated puzzle. At Trivial level,

-there are no greater-than signs (the puzzle is to solve the Latin

-square only); at Tricky level, some recursion may be required (but the

-solutions should always be unique).

+\dd Controls the difficulty of the generated puzzle. At Trivial

+level, there are no greater-than signs (the puzzle is to solve the

+Latin square only); at Recursive level backtracking will be required

+(but the solution should still be unique); the levels in between

+require increasingly complex reasoning to avoid having to backtrack.

 \A{licence} \I{MIT licence}\ii{Licence}