texlive[49528] Master/texmf-dist: brandeis-problemset (29dec18)

commits+karl at tug.org commits+karl at tug.org
Sat Dec 29 23:50:15 CET 2018


Revision: 49528
          http://tug.org/svn/texlive?view=revision&revision=49528
Author:   karl
Date:     2018-12-29 23:50:15 +0100 (Sat, 29 Dec 2018)
Log Message:
-----------
brandeis-problemset (29dec18)

Modified Paths:
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    trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset-doc.sty
    trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset.pdf
    trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset.tex
    trunk/Master/texmf-dist/doc/latex/brandeis-problemset/example.pdf
    trunk/Master/texmf-dist/doc/latex/brandeis-problemset/example.tex
    trunk/Master/texmf-dist/tex/latex/brandeis-problemset/brandeis-problemset.cls

Added Paths:
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    trunk/Master/texmf-dist/doc/latex/brandeis-problemset/LICENSE.md

Added: trunk/Master/texmf-dist/doc/latex/brandeis-problemset/LICENSE.md
===================================================================
--- trunk/Master/texmf-dist/doc/latex/brandeis-problemset/LICENSE.md	                        (rev 0)
+++ trunk/Master/texmf-dist/doc/latex/brandeis-problemset/LICENSE.md	2018-12-29 22:50:15 UTC (rev 49528)
@@ -0,0 +1,675 @@
+### GNU GENERAL PUBLIC LICENSE
+
+Version 3, 29 June 2007
+
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+If the Program specifies that a proxy can decide which future versions
+of the GNU General Public License can be used, that proxy's public
+statement of acceptance of a version permanently authorizes you to
+choose that version for the Program.
+
+Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+#### 15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
+WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
+PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
+DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
+CORRECTION.
+
+#### 16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
+CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
+ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+#### 17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+### How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state
+the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+        <one line to give the program's name and a brief idea of what it does.>
+        Copyright (C) <year>  <name of author>
+
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper
+mail.
+
+If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+        <program>  Copyright (C) <year>  <name of author>
+        This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+        This is free software, and you are welcome to redistribute it
+        under certain conditions; type `show c' for details.
+
+The hypothetical commands \`show w' and \`show c' should show the
+appropriate parts of the General Public License. Of course, your
+program's commands might be different; for a GUI interface, you would
+use an "about box".
+
+You should also get your employer (if you work as a programmer) or
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. For more information on this, and how to apply and follow
+the GNU GPL, see <https://www.gnu.org/licenses/>.
+
+The GNU General Public License does not permit incorporating your
+program into proprietary programs. If your program is a subroutine
+library, you may consider it more useful to permit linking proprietary
+applications with the library. If this is what you want to do, use the
+GNU Lesser General Public License instead of this License. But first,
+please read <https://www.gnu.org/licenses/why-not-lgpl.html>.


Property changes on: trunk/Master/texmf-dist/doc/latex/brandeis-problemset/LICENSE.md
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Modified: trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset-doc.sty
===================================================================
--- trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset-doc.sty	2018-12-29 22:49:59 UTC (rev 49527)
+++ trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset-doc.sty	2018-12-29 22:50:15 UTC (rev 49528)
@@ -5,6 +5,7 @@
 ]{doctools}
 
 \PageIndex
+\EnableCrossrefs
 
 \usepackage{textcomp} % needed for listings
 \usepackage{xparse}
@@ -11,6 +12,7 @@
 \usepackage{hologo} % xetex, etc. logos
 \usepackage{xkeyval}
 \usepackage{cprotect}
+\usepackage{changelog}
 
 \newcommand{\email}[1]{\href{mailto:#1}{\texttt{#1}}}
 \newcommand{\https}[1]{\href{https://#1}{\texttt{#1}}}
@@ -30,30 +32,3 @@
 	{\lstset{style=lstDemoStyleLaTeXCode}%
 	}
 	{}
-
-\define at cmdkeys{version}{author, version, date, changes}
-\define at key{version}{v}{\def\cmdKV at version@version{#1}}
-\presetkeys{version}{author={}, version={}, date={}, changes={}}{}
-\NewDocumentEnvironment{changelog}{}
-	{
-	\section{Changelog}
-	\NewDocumentEnvironment{version}{m}
-		{
-		\setkeys{version}{##1}
-		\item[\cmdKV at version@version] \cmdKV at version@author\
-			(\cmdKV at version@date)
-		\begin{itemize}
-			\NewDocumentCommand{\added}{}{\item Added\ }
-		}
-		{
-		\end{itemize}
-		}
-	\NewDocumentCommand{\shortversion}{m}{
-		\setkeys{version}{##1}
-		\item[\cmdKV at version@version] \cmdKV at version@author\
-			(\cmdKV at version@date) --- \cmdKV at version@changes}
-	\begin{description}
-	}
-	{
-	\end{description}
-	}

Modified: trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset.tex	2018-12-29 22:49:59 UTC (rev 49527)
+++ trunk/Master/texmf-dist/doc/latex/brandeis-problemset/brandeis-problemset.tex	2018-12-29 22:50:15 UTC (rev 49528)
@@ -2,11 +2,9 @@
 \usepackage{brandeis-problemset-doc}
 \author{Rebecca Turner\thanks{Brandeis University; \email{rebeccaturner at brandeis.edu}}}
 \title{The \bps\ Document Class}
-\date{2018-10-24}
-
+\date{2018-12-20}
 \begin{document}
 \maketitle
-
 \begin{abstract}
 
 	Brandeis University's computer science (``\textsc{cosi}'') courses
@@ -73,25 +71,21 @@
 
 \subsection{Class options}
 
-\bps\ defines a limited set of key-value options that may be set at
-\cs{documentclass}-time. These may be removed entirely in a future release,
-as it seems ``messy'' to have three configuration methods
-(\cs{documentclass} options, \cs{problemsetsetup}, and singular option
-commands).
+Class options are limited to configuration options which require the loading
+of fonts or other packages; ``string'' settings like the assignment's due
+date are configured either with the \cs{problemsetsetup} command or the
+commands described in section~\ref{sss:configcommands}.
 
 \begin{Optionlist}
-	duedate & Assignment due date in full \\
-	instructor & Instructor name in full \\
-	course & Course name in full \\
-	assignment & Assignment name in full \\
 	gantt &  Load packages for the \env{ganttschedule} environment \\
+	scheme & Define the \texttt{scheme} language for the \ctan{listings}
+		package as well as the \env{scheme} shorthand environment. \\
 	antonella & Use Dr.\ Antonella DiLillio's preferred styles (Courier
 		for code) \\
+	solutions & Include \env{solution} environments in compiled
+		document. \\
 \end{Optionlist}
 
-Given that \cs{documentclass} option parsing is much more limited than other
-key-value interfaces, these options have limited capabilities.
-
 \subsection{Setting options after loading \bps}
 
 \begin{macro}{\problemsetsetup}\marg{options}\AfterLastParam Sets global
@@ -100,8 +94,7 @@
 
 \begin{table}[h]
 	\centering
-	\caption{Options for \cs{problemsetsetup}; many of these are just used
-	in document headers.}
+	\caption{Options for \cs{problemsetsetup}}
 	\label{tab:problemset-options}
 	\begin{Optionlist}
 	course & Course name in full. \\
@@ -110,7 +103,10 @@
 	assignment & Assignment name in full. \\
 	number & Assignment name shorthand; use \texttt{3} for ``Problem Set
 		3''. \\
-	duedate & Due date, e.g.\ \texttt{2018-10-18}; not parsed at all. \\
+	duedate & Due date, e.g.\ \texttt{2018-10-18}; not parsed at all,
+		but
+		\href{https://en.wikipedia.org/wiki/ISO_8601}{\textsc{iso}
+		8601 dates} are highly recommended. \\
 	instructor & Course instructor. \\
 	codefont & With \fontspecok, pass the given font to \cs{setmonofont}
 		and enable Unicode shortcuts for the \env{pseudocode}
@@ -120,13 +116,19 @@
 	antonella & True/false (default: false; if no value specified,
 		assumes true); use Dr.\ Antonella DiLillio's preferred
 		styles (Courier for code) \\
+	solutions & Include \env{solution} environments in compiled
+		document. \\
 	\end{Optionlist}
 \end{table}
 \end{macro}
 
-\bps\ additionally provides a number of configuration commands with similar
-interfaces as the \TeX\ macros \cs{author}, \cs{title}, and \cs{date}.
+\subsubsection{Configuration commands}%
+\label{sss:configcommands}
 
+\bps\ additionally provides a number of configuration commands for setting a
+single opption with similar interfaces as the \TeX\ macros \cs{author},
+\cs{title}, and \cs{date}.
+
 \begin{macro}{\duedate}\marg{date} sets the due date in full.\end{macro}
 \begin{macro}{\instructor}\marg{name} sets the instructor name.\end{macro}
 \begin{macro}{\course}\marg{name} sets the course name in full.\end{macro}
@@ -145,10 +147,14 @@
 
 \subsection{Practical usage}
 
-You may find it useful to define a \ext{sty} file for each course. For
-instance, \filename{cosi21a.sty} might read:
+You may find it useful to define a customized document class for each
+course. There's no reason to install these to some system-wide directory; it
+makes sense for them to live in the same directory as the problem set source
+files. For instance, \filename{cosi21a.cls} might read:
 
-\begin{latexfile}{cosi21a.sty}
+\begin{latexfile}{cosi21a.cls}
+\LoadClass[antonella]{brandeis-problemset}
+
 % set course/author data
 \problemsetsetup{
 	instructor=Dr.\ Antonella DiLillio,
@@ -168,8 +174,8 @@
 and then \filename{ps1.tex} might read:
 
 \begin{latexfile}{ps1.tex}
-\documentclass{problemset}
-\usepackage{cosi21a}
+\documentclass{cosi21a}
+% stuff specific to this assignment
 \problemsetnumber{1}
 \duedate{2018-10-29}
 \begin{document}
@@ -205,6 +211,20 @@
 Vertical material is allowed in a~\env{problem}.
 \end{macro}
 
+\begin{macro}{solution}
+
+Defines a solution for a problem; a solution prints in blue and is excluded
+from the compiled document entirely unless the \option{solutions} package
+option is given.
+
+In this way, the same \texttt{.tex} file can serve as both a postable assignment
+prompt and an answer key.
+
+\note{The style of solutions is customizable by redefining
+	\cs{solutionstyle}; it's defined to \cs{color}|{blue}| by default.}
+
+\end{macro}
+
 \begin{macro}{\subproblem}\oarg{description}\AfterLastParam Prints a sub-problem, i.e.\ a
 \cs{subsection}. It doesn't do very much at the moment.
 \end{macro}
@@ -216,16 +236,18 @@
 
 \begin{macro}{pseudocode}\oarg{keywords}\AfterLastParam Prints
 pseudocode.\footnote{Designed for \cosi{21a} as taught by Dr.\ Antonella
-DiLillo} Several shortcuts are defined, as shown in
+DiLillo}
+
+Several ``shortcuts,'' which replace a source-code sequence like
+\texttt{->} with a symbol like $\rightarrow$, are shown in
 table~\ref{tab:pseudocode}.
 
-These shortcuts display in
-\cs{pseudocodesymbolfont} (default: \cs{ttfamily}), which may be redefined
-if you prefer something else. The easiest way to change
-\cs{pseudocodesymbolfont} is with \cs{setcodefont}. If you use the
-\option{antonella} option with \fontspecok, \bps\ will load \ctan{lm-math}
-and display the symbols seen in table~\ref{tab:pseudocode}, which look
-significantly better with Courier than \textsc{stix}' symbols.
+These shortcuts display in \cs{pseudocodesymbolfont} (default:
+\cs{ttfamily}), which may be redefined if you prefer something else. The
+easiest way to change \cs{pseudocodesymbolfont} is with \cs{setcodefont}. If
+you use the \option{antonella} option with \fontspecok, \bps\ will load
+\ctan{lm-math} and display the symbols seen in table~\ref{tab:pseudocode},
+which look significantly better with Courier than \textsc{stix}' symbols.
 
 \begin{table}[h]
 	\centering
@@ -305,6 +327,13 @@
 Any extra options are passed directly to the \ctan{listings} package.
 \end{macro}
 
+\begin{macro}{scheme}\oarg{extra options}\AfterLastParam Shorthand
+environment for a listing of Scheme code, useful for \cosi{121b}. Requires
+the \option{scheme} package option to be loaded.
+
+Any extra options are passed directly to the \ctan{listings} package.
+\end{macro}
+
 \begin{macro}{ganttschedule}\marg{total cell count}\oarg{title}\AfterLastParam
 An environment for drawing Gantt charts indicating process scheduling. The
 mandatory argument indicates how small the grid should be; \texttt{19}
@@ -454,26 +483,50 @@
 \end{document}
 \end{latexcode}
 
-\pagebreak
-\begin{changelog}
-\begin{version}{v=0.3.0, date=2018-10-24, author=Rebecca Turner}
-	\added changelog.
-	\added support for \cs{part}s and referencing problems.
-	\added options to \env{problem} environment: \option{part},
+\begin{changelog}[author=Rebecca Turner]
+
+\begin{version}[v=0.4.0]
+\added
+	\item \env{solution} environment and \option{solutions} class
+		option.
+	\item \env{scheme} shorthand environment and \option{scheme} class
+		option.
+\fixed
+	\item Boolean class options being overwritten by keys defined for
+		\cs{problemsetsetup}.
+	\item Title-formatting errors
+\removed
+	\item Assignment- and course-specific class options
+		\option{duedate}, \option{assignment}, \option{instructor},
+		and \option{course}. These settings should be configured
+		with either \cs{problemsetsetup} or their specific commands.
+		(\cs{duedate}, \cs{instructor}, etc.).
+\end{version}
+
+\begin{version}[v=0.3.0, date=2018-10-24]
+\added
+	\item changelog.
+	\item support for \cs{part}s and referencing problems.
+	\item options to \env{problem} environment: \option{part},
 		\option{label}, and \option{partlabel}.
-	\added \cs{maketitle} (contrast with \cs{maketitlepage}).
+	\item \cs{maketitle} (contrast with \cs{maketitlepage}).
 \end{version}
-\begin{version}{v=0.2.0, date=2018-10-20, author=Rebecca Turner}
-	\item Renamed to \bps.
-	\added license header.
-	\added \env{ganttschedule} environment.
-	\added keywords to pseudocode environment: \texttt{and}, \texttt{or},
+
+\begin{version}[v=0.2.0, date=2018-10-20]
+\changed
+	\item Class renamed to from \ltxclass{problemset} to \bps.
+\added
+	\item license header.
+	\item \env{ganttschedule} environment.
+	\item keywords to pseudocode environment: \texttt{and}, \texttt{or},
 		\texttt{nil}, and \texttt{len}.
-	\added \cs{ac} command for acronyms.
-	\added package example.
+	\item \cs{ac} command for acronyms.
+	\item package example.
 \end{version}
-\shortversion{v=0.1.0, date=2018-10-19, author=Rebecca Turner,
+
+\shortversion{v=0.1.0, date=2018-10-19,
 	changes=Initial beta as \ltxclass{problemset}.}
 \end{changelog}
 
+\pagebreak\PrintIndex\listoftables
 \end{document}

Modified: trunk/Master/texmf-dist/doc/latex/brandeis-problemset/example.pdf
===================================================================
(Binary files differ)

Modified: trunk/Master/texmf-dist/doc/latex/brandeis-problemset/example.tex
===================================================================
--- trunk/Master/texmf-dist/doc/latex/brandeis-problemset/example.tex	2018-12-29 22:49:59 UTC (rev 49527)
+++ trunk/Master/texmf-dist/doc/latex/brandeis-problemset/example.tex	2018-12-29 22:50:15 UTC (rev 49528)
@@ -10,10 +10,14 @@
 \newcommand{\cpu}{\ac{cpu}}
 \begin{document}
 
+\maketitle
+
 \Bf{Note:} This example document is provided for illustrative purposes. The
-solutions below are not guaranteed to be correct or relevant.
+solutions below are not guaranteed to be correct, complete, or relevant.
 
-\begin{problem}
+\tableofcontents
+
+\begin{problem}[part]
 	An assembly language program implements the following loop:
 
 \begin{lstlisting}[language=c]
@@ -29,6 +33,9 @@
 	where $x$ is the address of the memory location where the assembly
 	program is loaded. Write the assembly program using the assembly
 	language introduced in class.
+
+	For a completely unrelated problem, see problem~\ref{schedule} (this
+	is an example of a \lstinline!\label! / \lstinline!\ref! pair).
 \end{problem}
 
 \begin{assembly}
@@ -95,6 +102,10 @@
 	\end{enumerate}
 \end{problem}
 
+\begin{solution}
+The blue text here is a solution; it will disappear if the
+\Tt{solutions} class option is removed.
+
 ``Rule $n$'' should be taken to refer to the $n$th rule on page 3 of the 5th
 lecture notes, and ``$a$ is faster-growing than $b$'' is written as ``$O(a)
 > O(b)$''.
@@ -136,6 +147,7 @@
 \item $c = 2, n_0 = 1$
 
 \end{enumerate}
+\end{solution}
 
 \begin{problem}
 	What do the following two algorithms do? Analyze its worst-case
@@ -177,7 +189,7 @@
 $\Rm{Bar}(a, n)$ \It{also} computes $a^n$, and runs in $O(\log n)$
 time --- this is referred to as exponentiation by squaring.
 
-\begin{problem}[number=5.4]
+\begin{problem}[number=5.4, part=Scheduling, label=schedule]
 	Consider the following set of processes, with the length of the
 	\cpu\ burst given in milliseconds:
 

Modified: trunk/Master/texmf-dist/tex/latex/brandeis-problemset/brandeis-problemset.cls
===================================================================
--- trunk/Master/texmf-dist/tex/latex/brandeis-problemset/brandeis-problemset.cls	2018-12-29 22:49:59 UTC (rev 49527)
+++ trunk/Master/texmf-dist/tex/latex/brandeis-problemset/brandeis-problemset.cls	2018-12-29 22:50:15 UTC (rev 49528)
@@ -1,4 +1,4 @@
-\ProvidesClass{brandeis-problemset}[2018-10-24 0.3.0 COSI Problem sets at Brandeis University]
+\ProvidesClass{brandeis-problemset}[2018-12-20 0.4.0 COSI Problem sets at Brandeis University]
 % Description: A document class for Brandeis University's computer science
 %              courses' problem sets
 % License:     GPL-3.0
@@ -40,6 +40,7 @@
 
 % utility
 \RequirePackage{xkeyval}
+\RequirePackage{environ}
 \RequirePackage{geometry}
 \RequirePackage{changepage} % for adjustwidth env
 
@@ -46,6 +47,7 @@
 % formatting
 \RequirePackage{hyperref}
 \RequirePackage{xcolor}
+\RequirePackage{comment}
 \RequirePackage{listings}
 \RequirePackage{fancyhdr}
 \RequirePackage{enumitem}
@@ -68,12 +70,10 @@
 	family=problemset,
 	prefix=problemset@,
 }
-\DeclareStringOption[\relax]{duedate}
-\DeclareStringOption[\relax]{assignment}
-\DeclareStringOption[\relax]{instructor}
-\DeclareStringOption[\relax]{course}
 \DeclareBoolOption{antonella}
+\DeclareBoolOption{scheme}
 \DeclareBoolOption{gantt}
+\DeclareBoolOption{solutions}
 \ProcessKeyvalOptions*
 
 \newif\ifpseudocode at loaded
@@ -100,6 +100,38 @@
 	\RequirePackage{stix}
 \fi
 
+\ifproblemset at scheme
+	% from https://github.com/stuhlmueller/scheme-listings
+	\lstdefinelanguage{scheme}{
+		morekeywords=[1]{define, define-syntax, define-macro, lambda, define-stream, stream-lambda},
+		morekeywords=[2]{begin, call-with-current-continuation, call/cc,
+		call-with-input-file, call-with-output-file, case, cond,
+		do, else, for-each, if,
+		let*, let, let-syntax, letrec, letrec-syntax,
+		let-values, let*-values,
+		and, or, not, delay, force,
+		quasiquote, quote, unquote, unquote-splicing,
+		map, fold, syntax, syntax-rules, eval, environment, query },
+		morekeywords=[3]{import, export},
+		alsodigit=!\$\%&*+-./:<=>?@^_~,
+		sensitive=true,
+		morecomment=[l]{;},
+		morecomment=[s]{\#|}{|\#},
+		morestring=[b]",
+		basicstyle=\small\ttfamily,
+		keywordstyle=\bf\ttfamily\color[rgb]{0,.3,.7},
+		commentstyle=\color[rgb]{0.133,0.545,0.133},
+		stringstyle={\color[rgb]{0.75,0.49,0.07}},
+		upquote=true,
+		breaklines=true,
+		breakatwhitespace=true,
+		literate=*{`}{{`}}{1}
+	}
+	\lstnewenvironment{scheme}[1][]
+		{\lstset{language=scheme, #1}}
+		{}
+\fi
+
 \newcommand{\@antonella}{%
 	\ifproblemset at antonella
 		\instructor{Dr.\ Antonella DiLillio}
@@ -162,7 +194,9 @@
 % if 'gantt' package option was given
 \@loadgantt
 
-% additional options
+\newcommand{\problemset at course}{\relax}
+\newcommand{\problemset at assignment}{\relax}
+% config commands
 \newcommand{\duedate}[1]         {\renewcommand{\problemset at duedate}{#1}}
 \newcommand{\instructor}[1]      {\renewcommand{\problemset at instructor}{#1}}
 \newcommand{\course}[1]          {\renewcommand{\problemset at course}{#1}}
@@ -179,13 +213,23 @@
 
 \define at cmdkeys{problemset}[problemset@]{duedate, instructor, course, assignment}
 \define at key{problemset}{number}{\problemsetnumber{#1}}
-\define at key{problemset}{coursenumber}{\course{#1}}
+\define at key{problemset}{coursenumber}{\coursenumber{#1}}
 \define at key{problemset}{codefont}{%
 	\setcodefont{#1}
 }
-\define at boolkey{problemset}[problemset@]{antonella}[true]{}
-\define at boolkey{problemset}[problemset@]{gantt}[true]{\@loadgantt}
-\newcommand{\problemsetsetup}[1] {\setkeys{problemset}{#1}}
+\define at boolkey{problemset}{antonella}[true]{}
+\define at boolkey{problemset}{solutions}[true]{}
+\define at boolkey{problemset}{gantt}[true]{\@loadgantt}
+% carry values from package options over
+\newcommand{\@carryclasskey}[1]{%
+	\csname ifproblemset@#1\endcsname
+		\presetkeys{problemset}{#1}{}
+	\fi
+}
+\@carryclasskey{antonella}
+\@carryclasskey{solutions}
+\@carryclasskey{gantt}
+\newcommand{\problemsetsetup}[1]{\setkeys{problemset}{#1}}
 
 % listings
 \lstset{
@@ -268,7 +312,7 @@
 \AtBeginDocument{\pagestyle{fancy}}
 
 % {command}[shape]{format}{label}{sep}{before}[after]
-\titleformat{\part}[hang]{\bfseries\Large}{Part \thepart}{0em}{}[]
+\titleformat{\part}{\bfseries\Large}{Part \thepart}{1em}{}[]
 \titleformat{\section}{\bfseries\large}{}{0em}{}[]
 \titleformat{\subsection}{\llap{\thesubsection.}}{}{1em}{}[]
 % {command}{left}{before}{after}[right]
@@ -306,7 +350,12 @@
 		\vfill\pagebreak
 	\else\fi}
 \define at cmdkeys{problem}{number, label, partlabel}
-\define at cmdkey{problem}{part}[]{}
+\define at cmdkey{problem}{part}[]{%
+		\part{\cmdKV at problem@part}%
+		\@ifundefined{cmdKV at problem@partlabel}{}{%
+			\expandafter\label{\cmdKV at problem@partlabel}%
+		}%
+}
 \presetkeys{problem}{pagebreak}{}
 
 \NewDocumentEnvironment{problem}{O{}}{%
@@ -314,13 +363,7 @@
 	\@ifundefined{cmdKV at problem@number}{%
 		\stepcounter{problemnumber}%
 		\newcommand{\cmdKV at problem@number}{\arabic{problemnumber}}%
-	}%
-	\@ifundefined{cmdKV at problem@part}{}{%
-		\part{\cmdKV at problem@part}%
-		\@ifundefined{cmdKV at problem@partlabel}{}{%
-			\expandafter\label{\cmdKV at problem@partlabel}
-		}%
-	}
+	}{}%
 	\section{Problem \cmdKV at problem@number\problem at title}%
 	% fix up ref commands
 	\edef\@currentlabel{\cmdKV at problem@number}%
@@ -333,6 +376,11 @@
 
 \newcommand{\subproblem}[1][]{\subsection{#1}}
 
+\newcommand{\solutionstyle}{\color{blue}}
+\NewEnviron{solution}{%
+	\solutionstyle%
+	\ifproblemset at solutions\expandafter\BODY\fi}
+
 \newcommand{\maketitlepage}{\thispagestyle{empty}%
 	\vspace*{2in}%
 	\begin{center}%



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