1 files changed, 52 insertions, 39 deletions
diff --git a/Master/texmf-dist/tex/latex/probsoln/probsoln.sty b/Master/texmf-dist/tex/latex/probsoln/probsoln.sty
index 7c6589c6395..768917f9a96 100644
--- a/Master/texmf-dist/tex/latex/probsoln/probsoln.sty
+++ b/Master/texmf-dist/tex/latex/probsoln/probsoln.sty
@@ -5,12 +5,24 @@
 %% The original source files were:
 %%
 %% probsoln.dtx  (with options: `probsoln.sty,package')
-%% Copyright (C) 2007 Nicola Talbot, all rights reserved.
-%% If you modify this file, you must change its name first.
-%% You are NOT ALLOWED to distribute this file alone. You are NOT
-%% ALLOWED to take money for the distribution or use of either this
-%% file or a changed version, except for a nominal charge for copying
-%% etc.
+%% 
+%%  probsoln.dtx
+%%  Copyright 2007 Nicola Talbot
+%% 
+%%  This work may be distributed and/or modified under the
+%%  conditions of the LaTeX Project Public License, either version 1.3
+%%  of this license of (at your option) any later version.
+%%  The latest version of this license is in
+%%    http://www.latex-project.org/lppl.txt
+%%  and version 1.3 or later is part of all distributions of LaTeX
+%%  version 2005/12/01 or later.
+%% 
+%%  This work has the LPPL maintenance status `maintained'.
+%% 
+%%  The Current Maintainer of this work is Nicola Talbot.
+%% 
+%%  This work consists of the files probsoln.dtx and probsoln.ins and the derived file probsoln.sty.
+%% 
 %% \CharacterTable
 %%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
 %%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
@@ -27,11 +39,11 @@
 %%   Grave accent  \`     Left brace    \{     Vertical bar  \|
 %%   Right brace   \}     Tilde         \~}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{probsoln}[2006/06/20 v2.03 Problems and their Solutions Package (NLCT)]
+\ProvidesPackage{probsoln}[2007/08/21 v2.04 Problems and their Solutions Package (NLCT)]
 \RequirePackage{ifthen}
 \provideboolean{showanswers}
-\newcommand{\showanswers}{\showanswerstrue}
-\newcommand{\hideanswers}{\showanswersfalse}
+\let\showanswers=\showanswerstrue
+\let\hideanswers=\showanswersfalse
 \DeclareOption{answers}{\showanswerstrue}
 \DeclareOption{noanswers}{\showanswersfalse}
 \ExecuteOptions{noanswers}
@@ -109,26 +121,26 @@
 }
 \fi
 }
-\newcommand{\useproblem}[1]{%
+\newcommand*{\useproblem}[1]{%
 \@ifundefined{@prob@#1}{%
 \PackageError{probsoln}{Label #1 undefined}%
-{Can't find problem defined with label identifier '#1'}%
+{Can't find problem defined with label identifier `#1'}%
 }{\csname @prob@#1\endcsname}%
 }
 \newcount\@probN \newcount\@probselN \newcount\@rndselctr
 \newcount\r@ndcur
 \newcount\@ps@randtmp
 \r@ndcur=1\relax
-\newcommand{\PSNrandseed}[1]{%
+\newcommand*{\PSNrandseed}[1]{%
 \ifnum#1=0\relax
-\PackageWarning{probsoln}{Can't have 0 as random seed, changing to 1}%
-\r@ndcur=1\relax
+  \PackageWarning{probsoln}{Can't have 0 as random seed, changing to 1}%
+  \r@ndcur=1\relax
 \else
-\r@ndcur=#1\relax
+  \r@ndcur=#1\relax
 \fi
-\PackageInfo{probsoln}{Random Seed = \the\r@ndcur}%
+\PackageInfo{probsoln}{Random Seed = \number\r@ndcur}%
 }
-\newcommand{\PSNrand}{%
+\newcommand*{\PSNrand}{%
 \@ps@randtmp=\r@ndcur
 \multiply\@ps@randtmp by 16807\relax
 \r@ndcur=\@ps@randtmp
@@ -149,14 +161,14 @@
 }
 \newcommand{\random}[3]{%
 \ifnum#2=1\relax
-\PSNrandom{\value{#1}}{#3}%
+  \PSNrandom{\value{#1}}{#3}%
 \else
-\@rndselctr=#3%
-\advance\@rndselctr by -#2\relax
-\advance\@rndselctr by 1\relax
-\PSNrandom{\value{#1}}{\@rndselctr}%
-\addtocounter{#1}{#2}%
-\addtocounter{#1}{-1}%
+  \@rndselctr=#3%
+  \advance\@rndselctr by -#2\relax
+  \advance\@rndselctr by 1\relax
+  \PSNrandom{\value{#1}}{\@rndselctr}%
+  \addtocounter{#1}{#2}%
+  \addtocounter{#1}{-1}%
 \fi
 }
 \newcommand*{\selectallproblems}[1]{%
@@ -174,18 +186,19 @@
 \PSNitem \expandafter\useproblem\@probargs \endPSNitem
 \global\advance\@rndselctr by 1\relax
 }}
-\newcommand{\selectrandomly}[2]{%
+\newcommand*{\selectrandomly}[2]{%
 \global\@probselN=#2\relax
 \global\@probN=0\relax
 \selectrandomtrue
 \firstpasstrue
 \input{#1}%
 \ifnum\@probselN>\@probN
-\PackageError{probsoln}{Requested number too large}%
-{You have asked for \the\@probselN \space problems, but there are only
-\the\@probN \space problems defined in the file #1.  I will only select \the\@probN \space
-problems.}%
-\global\@probselN=\@probN
+  \PackageError{probsoln}{Requested number too large}%
+  {You have asked for \the\@probselN \space problems,
+  but there are only \the\@probN \space problems defined in the
+  file #1.  I will only select \the\@probN \space
+  problems.}%
+  \global\@probselN=\@probN
 \fi
 \shuffle{@problabel}{\@probN}%
 \firstpassfalse
@@ -199,15 +212,15 @@ problems.}%
 \global\advance\@rndselctr by 1\relax
 }%
 }
-\newcommand{\PSNitem}{\item}
+\newcommand*{\PSNitem}{\item}
 \@ifundefined{endPSNitem}{\def\endPSNitem{}}{%
 \PackageError{probsoln}{\string\endPSitem\ already defined}{}}
-\providecommand{\solutionname}{Solution}
+\providecommand*{\solutionname}{Solution}
 \@ifundefined{solution}{%
 \newenvironment{solution}{\par\noindent\textbf{\solutionname:} }{}}{%
 }
 \newcount\@ckselctr
-\newcommand{\checkselected}[1]{%
+\newcommand*{\checkselected}[1]{%
 \selectedfalse
 \@ckselctr=1\relax
 \whiledo{\@ckselctr < \@probselN \TE@or \@ckselctr = \@probselN}{%
@@ -223,12 +236,12 @@ problems.}%
 \PSNrandom{\@shfA}{#2}\PSNrandom{\@shfB}{#2}%
 \ifnum\@shfA=\@shfB
 \else
-\edef\@@tmpA{\csname#1\romannumeral\@shfA\endcsname}%
-\let\@tmpA=\@@tmpA
-\edef\@@tmpB{\csname#1\romannumeral\@shfB\endcsname}%
-\let\@tmpB=\@@tmpB
-\expandafter\xdef\csname#1\romannumeral\@shfA\endcsname{\@tmpB}%
-\expandafter\xdef\csname#1\romannumeral\@shfB\endcsname{\@tmpA}%
+  \edef\@@tmpA{\csname#1\romannumeral\@shfA\endcsname}%
+  \let\@tmpA=\@@tmpA
+  \edef\@@tmpB{\csname#1\romannumeral\@shfB\endcsname}%
+  \let\@tmpB=\@@tmpB
+  \expandafter\xdef\csname#1\romannumeral\@shfA\endcsname{\@tmpB}%
+  \expandafter\xdef\csname#1\romannumeral\@shfB\endcsname{\@tmpA}%
 \fi
 \advance\@shfctr by 1\relax
 }%