Cleanup and documentation

resources/ormc_handout.cls

@@ -1,7 +1,22 @@
 % Mark's math circle handout style.
 % Source is at https://git.betalupi.com/Mark/ormc-handouts
+%
+%
+% 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/>.
+
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesClass{ormc_handout}[2023/05/25 2.0.0 ORMC Handout]
+\ProvidesClass{ormc_handout}[2023/05/29 2.0.1 ORMC Handout]
 
 
 
@@ -26,14 +41,6 @@
 \DeclareOption{10pt}{\renewcommand\@ptsize{0}}
 \DeclareOption{11pt}{\renewcommand\@ptsize{1}}
 \DeclareOption{12pt}{\renewcommand\@ptsize{2}}
-\DeclareOption{a4paper}{%
-	\setlength\paperheight{297mm}%
-	\setlength\paperwidth{210mm}%
-}
-\DeclareOption{letterpaper}{%
-	\setlength\paperheight{11in}%
-	\setlength\paperwidth{8.5in}%
-}
 % ORMC-specific options
 \DeclareOption{solutions}{\@solutionstrue}
 \DeclareOption{nosolutions}{\@solutionsfalse}
@@ -48,7 +55,7 @@
 \DeclareOption*{\ClassWarning{ormc_handout}{\CurrentOption ignored}}
 
 \ExecuteOptions{
-	letterpaper,10pt,
+	10pt,
 	solutions,
 	multinumbering,
 	pagenumber,
@@ -57,6 +64,12 @@
 }
 
 \ProcessOptions
+
+% Set letterpaper by default.
+% This is overridden by geometry anyway,
+% so we don't need an option.
+\setlength\paperheight{11in}
+\setlength\paperwidth{8.5in}
 \input{size1\@ptsize.clo}
 
 % Hack to allow script option override.
@@ -74,8 +87,8 @@
 
 % ------------------------------- %
 % Minimal LaTeX class             %
-% Based on a stripped article.cls %
-% Version 2022/07/02 v1.4n        %
+% Based on article.cls,           %
+%    version 2022/07/02 v1.4n     %
 % ------------------------------- %
 
 % Lengths
@@ -287,6 +300,7 @@
 
 % Set up page geometry.
 % MUST BE DONE FIRST!
+% TODO: can we do this with plain tex?
 \RequirePackage{geometry}
 \geometry{
 	paper      = letterpaper,