gridpapers (16mar21)

git-svn-id: svn://tug.org/texlive/trunk@58439 c570f23f-e606-0410-a88d-b1316a301751

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+% \iffalse meta-comment
+%
+% Copyright (C) 2021 by Robert McNees <rmcnees@luc.edu>, Leo C. Stein <leo.stein@gmail.com>
+% ---------------------------------------------------------------------------
+% This work may be distributed and/or modified under the
+% conditions of the LaTeX Project Public License, either version 1.3
+% of this license or (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 Maintainers of this work are Robert McNees, Leo C. Stein.
+%
+% This work consists of the files gridpapers.dtx and gridpapers.ins
+% and the derived filebase gridpapers.sty.
+%
+% \fi
+%
+% \iffalse
+%<*driver>
+\ProvidesFile{gridpapers.dtx}
+%</driver>
+%
+%<*driver>
+\documentclass{ltxdoc}
+\usepackage[dvipsnames]{xcolor}
+\usepackage[pattern=stdeight, textarea,
+  majorcolor=cornflower!30, minorcolor=cornflower!10,
+  geometry={margin=1in, left=2in}]{gridpapers}[2021/03/14]
+\usepackage{hyperref}
+\hypersetup{colorlinks,urlcolor=NavyBlue,citecolor=NavyBlue,linkcolor=NavyBlue,
+  pdfauthor={Robert McNees and Leo C. Stein},
+  pdftitle={The gridpapers package}}
+\usepackage{fontawesome}
+\definecolor{twitterblue}{RGB}{64,153,255}
+\newcommand{\email}[1]{$\langle$\href{mailto:#1}{#1}$\rangle$}
+\newcommand{\twitter}[1]{\href{https://twitter.com/#1}{\textcolor{twitterblue}{\faTwitter}\,\tt\textcolor{twitterblue}{@#1}}}
+\usepackage{dtxdescribe}
+\usepackage[columns=2]{idxlayout}
+\EnableCrossrefs
+\CodelineIndex
+\RecordChanges
+\begin{document}
+  \DocInput{gridpapers.dtx}
+  \PrintChanges
+\end{document}
+%</driver>
+% \fi
+%
+% \CheckSum{430}
+%
+% \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
+%   Digits        \0\1\2\3\4\5\6\7\8\9
+%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%   Dollar        \$     Percent       \%     Ampersand     \&
+%   Acute accent  \'     Left paren    \(     Right paren   \)
+%   Asterisk      \*     Plus          \+     Comma         \,
+%   Minus         \-     Point         \.     Solidus       \/
+%   Colon         \:     Semicolon     \;     Less than     \<
+%   Equals        \=     Greater than  \>     Question mark \?
+%   Commercial at \@     Left bracket  \[     Backslash     \\
+%   Right bracket \]     Circumflex    \^     Underscore    \_
+%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%   Right brace   \}     Tilde         \~}
+%
+%
+% \changes{v1.0.0}{2021/03/13}{Converted to DTX file}
+%
+% \DoNotIndex{\newcommand,\newenvironment}
+%
+% \GetFileInfo{gridpapers.sty}
+% \title{The \textsf{gridpapers} package}
+% \author{Robert McNees\footnote{\email{rmcnees@luc.edu}; \twitter{mcnees}}
+%   \ and
+%   Leo C.\ Stein\footnote{\email{leo.stein@gmail.com}; \twitter{duetosymmetry}}}
+% \date{\fileversion~from \filedate}
+%
+% \maketitle
+%
+% All development happens at the repo:
+% \url{https://github.com/mcnees/LaTeX-Graph-Paper}.
+%
+% \section{Introduction}
+%
+% Make your own quadrille, graph, hex, etc.\ paper! Uses the PGF/TikZ
+% package for \LaTeX, which should be part of any modern \TeX{}
+% installation. Lots of preset defaults to get started with ease, yet
+% all colors and spacing are customizable.
+%
+% There are example .tex files in the |examples| directory to
+% help get you started with customization. Each tex file has an
+% almost-empty body, with a |\usepackage| statement that you can
+% customize. For example, engineer-pad.tex looks like this:
+% \VerbatimInput[frame=single,
+%   numbers=left,
+%   xleftmargin=2em,
+%   label=engineer-pad.tex]{examples/engineer-pad.tex}
+% (The |~| in the body forces a non-empty body, or else latex wouldn't generate a PDF).
+%
+% \section{Usage}
+%
+% \subsection{Options}
+%
+% Your graph paper is configured through a number of key/value options
+% to the |\usepackage| command.  Let's go through these options.
+%
+% \DescribeObject{pattern=\marg{name}}\DescribeDefault{std} Which of
+% the predefined patterns to use for the page or textarea background.
+% The current list of pattern names is: |std|, |stdeight|, |majmin|,
+% |dot|, |hex|, |tri|, |iso|, |lightcone|, |ruled|, |doubleruled|. We
+% describe each of these patterns in Sec.~\ref{sec:patterns}.
+% Patterns come with default page geometry (size and margins; see
+% |geometry|), and default `fullness' (whether they fill the page or
+% not; see options |fullpage| and |textarea|).
+%
+% \DescribeObject{colorset=\marg{name}}\DescribeDefault{std} Color
+% presets.  Valid color preset names are: |std|, |precocious|,
+% |brickred|, |engineer|, |plumpad|. A preset determines the
+% |majorcolor|, |minorcolor|, and |bgcolor| all at once. But, you can
+% start from a preset and then override some colors.
+%
+% \DescribeObject{majorcolor=\marg{color}} Override the preset
+% ``major'' color. This can be a named color, or using the syntax from
+% |xcolor| to mix colors together.
+%
+% \DescribeObject{minorcolor=\marg{color}} Override the preset
+% ``minor'' color. As above.
+%
+% \DescribeObject{bgcolor=\marg{color}} Override the preset background
+% color. As above.
+%
+% \DescribeObject{patternsize=\marg{length}} Override the preset
+% pattern size.  The meaning of this length argument is different for
+% each pattern; see Sec.~\ref{sec:patterns} for more.
+%
+% \DescribeObject{dotsize=\marg{length}}\DescribeDefault{.7pt}
+% Controls the size of the dots themselves for |pattern=dot|.
+%
+% \DescribeObject{fullpage} Make the pattern fill the whole page.
+%
+% \DescribeObject{textarea} Make the pattern fill only the text area
+% of the document. At most one of the |fullpage| or |textarea| can be
+% specified. If one is specified, it will override the default
+% `fullness' setting of the pattern.
+%
+% \DescribeObject{geometry=\marg{geometry spec}} Page geometry
+% specification, using the syntax of the |geometry| package. This
+% specification will override the pattern's default page geometry.
+% However, if the |geometry| package was loaded before |gridpapers|,
+% this option will be ignored.
+%
+% \subsection{Patterns}
+% \label{sec:patterns}
+%
+% The current set of patterns:
+%
+% \DescribeObject{std} Quadrille, ten squares per inch.  The
+% |patternsize| option controls the side of a square.  Default is
+% |patternsize=0.1in|.
+%
+% \DescribeObject{stdeight} Quadrille, eight squares per inch.  The
+% |patternsize| option controls the side of a square.  Default is
+% |patternsize=0.125in|.
+%
+% \DescribeObject{majmin} Graph paper, eight squares per inch with a
+% major grid every half-inch.  The |patternsize| option controls the
+% side of a small square (the larger squares are four times bigger).
+% Default is |patternsize=0.125in|.
+%
+% \DescribeObject{dot} Grid of dots.  The size of an individual dot is
+% set by |dotsize|.  The |patternsize| option controls the distance
+% between dots.  Default is |patternsize=0.1in|.
+%
+% \DescribeObject{hex} Grid of hexagons.  The |patternsize| option
+% controls the side length of a hexagon.  Default is
+% |patternsize=0.1666in|.
+%
+% \DescribeObject{tri} Triangle grid.  The |patternsize| option
+% controls the side length of a triangle.  Default is
+% |patternsize=0.25in|.
+%
+% \DescribeObject{iso} Isometric grid.  The |patternsize| option
+% controls the side length of a triangle.  Default is
+% |patternsize=0.25in|.
+%
+% \DescribeObject{lightcone} A grid with light cones (45° lines) on a
+% square grid.  The |patternsize| option controls the side of a
+% horizontal square (not the tipped squared).  Default is
+% |patternsize=0.25in|.
+%
+% \DescribeObject{ruled} Ruled page with bold lines.  The
+% |patternsize| option controls the vertical distance between lines.
+% Default is |patternsize=0.2in|.
+%
+% \DescribeObject{doubleruled} Ruled page with bold lines alternating
+% with light lines.  The |patternsize| option controls the vertical
+% distance between neighboring lines.  Default is
+% |patternsize=0.125in|.
+%
+% \section{Examples}
+%
+% \subsection{Plenty of customization}
+%
+% Let's say you want to use the |tri| pattern, which by default fills
+% the page. But you want it to fill just the textarea of an A4 page
+% with 2cm margins, and you want the triangles to be .75cm
+% long. Finally, you like the colors of the engineer set, but want a
+% white background. Then you would write:
+% \begin{sourceverb}[frame=single]
+% \usepackage[pattern=tri,
+%   patternsize=0.75cm,
+%   textarea,
+%   colorset=engineer,
+%   bgcolor=white,
+%   geometry={a4paper, margin=2cm}]{gridpapers}
+% \end{sourceverb}
+%
+% \subsection{Custom colors}
+%
+% Using named or blended custom colors is demonstrated in the example
+% file |custom-colors.tex|:
+% \VerbatimInput[frame=single,
+%   numbers=left,
+%   xleftmargin=2em,
+%   label=custom-colors.tex]{examples/custom-colors.tex}
+%
+
+%
+% \StopEventually{}
+%
+% \section{Implementation}
+%
+% \iffalse
+%<*package>
+% \fi
+%
+%    \begin{macrocode}
+\NeedsTeXFormat{LaTeX2e}[1994/06/01]
+\ProvidesPackage{gridpapers}
+    [2021/03/14 v1.0.0 Graph paper backgrounds]
+
+\RequirePackage{xkeyval}
+\RequirePackage{kvoptions}
+\RequirePackage{xcolor}
+\RequirePackage{tikz}
+\usetikzlibrary{patterns.meta,calc}
+\RequirePackage{tikzpagenodes}
+%% everypage has been superseded -- try to use the new builtin
+%% approach, but fall back to everypage-1x if needed
+%% This code is roughly taken from the new everypage code
+\@ifundefined{AddToHook}{%
+  \RequirePackage{everypage-1x}
+}{%
+  \newcommand*{\AddEverypageHook}[1]{%
+  \AddToHook{shipout/background}{\put(1in,-1in){#1}}}
+}
+\RequirePackage{pagecolor}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Option parsing
+%% Declare switches for processing the options.
+
+\newif\ifGP@geometrypreviouslyloaded
+\newif\ifGP@fullnessset
+\newif\ifGP@fullpage
+\newif\ifGP@textarea
+\GP@geometrypreviouslyloadedfalse
+\GP@fullnesssetfalse
+\GP@fullpagefalse
+\GP@textareafalse
+
+\SetupKeyvalOptions{%
+  family=GP,%
+  prefix=GPOpt@%
+}
+
+\DeclareStringOption[std]{pattern}
+\DeclareStringOption[std]{colorset}
+
+\DeclareStringOption{majorcolor}
+\DeclareStringOption{minorcolor}
+\DeclareStringOption{bgcolor}
+
+\DeclareStringOption{patternsize}
+\DeclareStringOption[.7pt]{dotsize}
+
+\DeclareVoidOption{fullpage}{\GP@fullpagetrue}
+\DeclareVoidOption{textarea}{\GP@textareatrue}
+
+\DeclareStringOption{geometry}
+
+\ProcessKeyvalOptions*
+
+%% Can only have one of fullpage or textarea
+\ifGP@fullpage
+  \ifGP@textarea
+    \PackageError{gridpapers}{%
+      Can not specify both fullpage and textarea, please remove one option}{}
+    \fi
+  \GP@fullnesssettrue
+\fi
+
+\ifGP@textarea
+  \GP@fullnesssettrue
+\fi
+
+%% We keep track of this to know whether or not we would be overriding
+%% a previously-set page geometry
+\@ifpackageloaded{geometry}
+  {\GP@geometrypreviouslyloadedtrue}
+  {\GP@geometrypreviouslyloadedfalse%
+    \PassOptionsToPackage{\GPOpt@geometry}{geometry}%
+    \RequirePackage{geometry}%
+  }
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Actual package code
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Some nice colors.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\definecolor{plum}{rgb}{0.36078, 0.20784, 0.4}
+\definecolor{chameleon}{rgb}{0.30588, 0.60392, 0.023529}
+\definecolor{cornflower}{rgb}{0.12549, 0.29020, 0.52941}
+\definecolor{scarlet}{rgb}{0.8, 0, 0}
+\definecolor{brick}{rgb}{0.64314, 0, 0}
+\definecolor{sunrise}{rgb}{0.80784, 0.36078, 0}
+\definecolor{rosiebg}{RGB}{250,247,232}
+\definecolor{rosiegrid}{RGB}{186,137,113}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% The color to use for the null directions when drawing lightcones.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\colorlet{lightlines}{scarlet!30}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Pre-defined Color schemes
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Here are some pre-defined color schemes for the paper background
+%% and the major and minor grid lines.  These are switched by using
+%% the option colorset=<name>.  The allowed values for colorset are in
+%% the list below.
+\define@choicekey*{GP}{colorset}[\val\nr]%
+  %% Allowed values for colorset:
+  {std,precocious,brickred,engineer,plumpad}[std]{%
+  \ifcase\nr\relax
+    %% std
+    \colorlet{minorcolor}{cornflower!30}
+    \colorlet{majorcolor}{cornflower!50}
+    \colorlet{bgcolor}{white}
+  \or
+    %% precocious
+    \colorlet{minorcolor}{rosiegrid!50}
+    \colorlet{majorcolor}{rosiegrid}
+    \colorlet{bgcolor}{rosiebg}
+  \or
+    %% brickred
+    \colorlet{minorcolor}{brick!35}
+    \colorlet{majorcolor}{brick!60}
+    \colorlet{bgcolor}{scarlet!8}
+  \or
+    %% engineer
+    \colorlet{minorcolor}{chameleon!50}
+    \colorlet{majorcolor}{chameleon!80}
+    \colorlet{bgcolor}{chameleon!10}
+  \or
+    %% plumpad
+    \colorlet{minorcolor}{cornflower!40}
+    \colorlet{majorcolor}{cornflower!70}
+    \colorlet{bgcolor}{plum!10}
+  \fi
+}
+
+%% Get the specified color set from the options
+\def\@setkeyhelper#1#2{%
+  \setkeys{GP}{#2=#1}
+}
+\expandafter\@setkeyhelper\expandafter{\GPOpt@colorset}{colorset}
+
+%% If the user further specified majorcolor, minorcolor, and/or
+%% bgcolor, we now override the selected colorset
+\ifx\GPOpt@majorcolor\@empty
+\else
+  \colorlet{majorcolor}{\GPOpt@majorcolor}
+\fi
+\ifx\GPOpt@minorcolor\@empty
+\else
+  \colorlet{minorcolor}{\GPOpt@minorcolor}
+\fi
+\ifx\GPOpt@bgcolor\@empty
+\else
+  \colorlet{bgcolor}{\GPOpt@bgcolor}
+\fi
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% The size parameter -- different meanings for different patterns
+%% Will be reset by pattern code
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newcommand{\GP@patternsize}{0.1in}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% This section sets up a routine for filling a shape with
+%% hexagons. Uses code from:
+%% http://tex.stackexchange.com/questions/6019/drawing-hexagons/6128#6128
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%% We have to delay this definition until after \GP@patternsize is
+%% redefined (by the pattern selection and/or user override)
+\newcommand{\GP@declarehexpat}{
+\pgfdeclarepatternformonly
+  {hexagons}%% name
+  {\pgfpointorigin}%% lower left
+  {\pgfpoint{3*\GP@patternsize}{0.866025*2*\GP@patternsize}}
+  {\pgfpoint{3*\GP@patternsize}{0.866025*2*\GP@patternsize}}
+  {
+    \pgfsetlinewidth{0.6pt}
+    \pgftransformshift{\pgfpoint{0mm}{0.866025*\GP@patternsize}}
+    \pgfpathmoveto{\pgfpoint{0mm}{0mm}}
+    \pgfpathlineto{\pgfpoint{0.5*\GP@patternsize}{0mm}}
+    \pgfpathlineto{\pgfpoint{\GP@patternsize}{-0.866025*\GP@patternsize}}
+    \pgfpathlineto{\pgfpoint{2*\GP@patternsize}{-0.866025*\GP@patternsize}}
+    \pgfpathlineto{\pgfpoint{2.5*\GP@patternsize}{0mm}}
+    \pgfpathlineto{\pgfpoint{3*\GP@patternsize}{0mm}}
+    \pgfpathmoveto{\pgfpoint{0.5*\GP@patternsize}{0mm}}
+    \pgfpathlineto{\pgfpoint{\GP@patternsize}{0.866025*\GP@patternsize}}
+    \pgfpathlineto{\pgfpoint{2*\GP@patternsize}{0.866025*\GP@patternsize}}
+    \pgfpathlineto{\pgfpoint{2.5*\GP@patternsize}{0mm}}
+    \pgfusepath{stroke}
+  }
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% This section sets up a routine for filling a shape with
+%% triangles.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%% We have to delay this definition until after \GP@patternsize is
+%% redefined (by the pattern selection and/or user override)
+\newcommand{\GP@declaretripat}{
+\pgfdeclarepatternformonly
+  %% Name of the pattern
+  {triangles}
+  %% Set the lower left corner of the pattern
+  {\pgfpointorigin}
+  %% Set the upper right corner of the pattern
+  {\pgfpoint{\GP@patternsize}{2*0.8660254*\GP@patternsize}}
+  %% Declare the size of the pattern blocks
+  {\pgfpoint{\GP@patternsize}{2*0.8660254*\GP@patternsize}}
+  %% Draw the pattern
+  {
+    \pgfsetlinewidth{0.6pt}
+  \pgfpathmoveto{\pgfpoint{0mm}{0mm}}
+  \pgfpathlineto{\pgfpoint{\GP@patternsize}{2*0.8660254*\GP@patternsize}}
+  \pgfpathlineto{\pgfpoint{0mm}{2*0.8660254*\GP@patternsize}}
+    \pgfpathmoveto{\pgfpoint{0mm}{0.8660254*\GP@patternsize}}
+  \pgfpathlineto{\pgfpoint{\GP@patternsize}{0.8660254*\GP@patternsize}}
+    \pgfpathmoveto{\pgfpoint{0mm}{2*0.8660254*\GP@patternsize}}
+  \pgfpathlineto{\pgfpoint{\GP@patternsize}{0mm}}
+  \pgfpathlineto{\pgfpoint{0mm}{0mm}}
+    \pgfusepath{stroke}
+  }
+}
+\newcommand{\GP@declareisopat}{
+\pgfdeclarepatternformonly
+  %% Name of the pattern
+  {isometric}
+  %% Set the lower left corner of the pattern
+  {\pgfpointorigin}
+  %% Set the upper right corner of the pattern
+  {\pgfpoint{2*0.8660254*\GP@patternsize}{\GP@patternsize}}
+  %% Declare the size of the pattern blocks
+  {\pgfpoint{2*0.8660254*\GP@patternsize}{\GP@patternsize}}
+  %% Draw the pattern
+  {
+    \pgfsetlinewidth{0.6pt}
+  \pgfpathmoveto{\pgfpoint{0mm}{0mm}}
+  \pgfpathlineto{\pgfpoint{2*0.8660254*\GP@patternsize}{\GP@patternsize}}
+  \pgfpathlineto{\pgfpoint{2*0.8660254*\GP@patternsize}{0mm}}
+  \pgfpathlineto{\pgfpoint{0mm}{\GP@patternsize}}
+  \pgfpathlineto{\pgfpoint{0mm}{0mm}}
+    \pgfpathmoveto{\pgfpoint{0.8660254*\GP@patternsize}{0mm}}
+    \pgfpathlineto{\pgfpoint{0.8660254*\GP@patternsize}{\GP@patternsize}}
+    \pgfusepath{stroke}
+  }
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% This section sets up a routine for filling the squares in a
+%% grid with null lines.
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TODO Still can't figure out the correct pattern shift!!
+\newcommand{\GP@declarelightconepat}{
+\pgfkeys{
+  /pgf/pattern keys/myshift/.store in=\myshift,
+  /pgf/pattern keys/myshift/.initial={(0,0)},
+}
+\tikzdeclarepattern{
+  name=lightcones,
+  type=uncolored,
+  parameters={\myshift},
+  bounding box={(0,0) and (\GP@patternsize,\GP@patternsize)},
+  tile size={(\GP@patternsize, \GP@patternsize)},
+  tile transformation={
+    shift=\myshift,
+  },
+  defaults={
+    myshift/.store in=\myshift,myshift={(0,0)},
+  },
+  code={
+    %% TODO Make the dashing an option
+    \tikzset{lightlines/.style={line width=0.4pt,dash=on 0.05cm off 0.05cm phase 0.025cm}}
+    \draw [lightlines] (0,0) -- (\GP@patternsize,\GP@patternsize);
+    \draw [lightlines] (0,\GP@patternsize) -- (\GP@patternsize,0);
+  },
+}
+}
+%% \pgfdeclarepatternformonly
+%%   {lightcones}% name
+%%   {\pgfpointorigin}% lower left
+%%   {\pgfpoint{\GP@patternsize}{\GP@patternsize}}%  upper right
+%%   {\pgfpoint{\GP@patternsize}{\GP@patternsize}}%  tile size
+%%   {% shape description
+%%     \pgfsetlinewidth{0.4pt}
+%%     %% TODO Make an option
+%%     %Comment out this line for solid lines on light cones, instead of dashes.
+%%     \pgfsetdash{{0.05cm}{0.05cm}}{0.025cm}
+%%     \pgfpathmoveto{\pgfpoint{0in}{0in}}
+%%     \pgfpathlineto{\pgfpoint{\GP@patternsize}{\GP@patternsize}}
+%%     \pgfpathmoveto{\pgfpoint{0in}{\GP@patternsize}}
+%%     \pgfpathlineto{\pgfpoint{\GP@patternsize}{0in}}
+%%     \pgfusepath{stroke}
+%%   }
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% This section sets up a routine for filling a region with dots
+%% Slightly modified version of code added by Leo
+%% Stein (@duetosymmetry on Twitter).
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% We have to delay this definition until after \GP@patternsize is
+%% redefined (by the pattern selection and/or user override)
+\newcommand{\GP@declaredotpat}{
+\pgfdeclarepatternformonly
+  {dotgrid}%% name
+  {\pgfpoint{-0.5*\GP@patternsize}{-0.5*\GP@patternsize}}%% lower left
+  {\pgfpoint{0.5*\GP@patternsize}{0.5*\GP@patternsize}}%%  upper right
+  {\pgfpoint{\GP@patternsize}{\GP@patternsize}}%%  tile size
+  {%% shape description
+    \pgfpathcircle{\pgfqpoint{0pt}{0pt}}{\GPOpt@dotsize}
+    \pgfusepath{fill}
+  }
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Begin pattern execution infrastructure
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%% This inner code will be set by the choicekey pattern=...
+\newcommand{\GP@innerpatterncode}{}
+%% This is the "outer" code to hook into every page
+\newcommand{\GP@patterncode}{% No blank lines in this code!
+\begin{tikzpicture}[remember picture, overlay]
+%%
+%% Change "thin" to "very thin" if the lines are too thick.
+\tikzset{
+  minorgrid/.style={minorcolor, thin},
+  majorgrid/.style={majorcolor, thin},
+}
+\ifGP@fullpage%
+\coordinate (a) at (current page.south west);
+\coordinate (b) at (current page.north east);
+\else%
+\coordinate (a) at (current page text area.south west);
+\coordinate (b) at (current page text area.north east);
+\fi
+%%
+\GP@innerpatterncode%
+%%
+\end{tikzpicture}
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Begin pattern definition code
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\define@boolkey{GP}{patterndefaultfullness}{}
+\newcommand{\GP@patterndefaultgeometry}{}
+\newcommand{\GP@patterndefaultsize}{}
+
+%% Pattern-definer-helper
+%% The interface is:
+%% \GP@setpattern
+%%   {<true for default fullpage, false for default textarea>}
+%%   {<default geometry config>}
+%%   {<default pattern size>}  %% NOTE, not tile length
+%%   {<contents of inner pattern code>}
+\newcommand{\GP@setpattern}[4]{%
+\setkeys{GP}{patterndefaultfullness=#1}
+\renewcommand{\GP@patterndefaultgeometry}{#2}
+\renewcommand{\GP@patterndefaultsize}{#3}
+\renewcommand{\GP@innerpatterncode}{#4}
+}
+
+\define@choicekey*{GP}{pattern}[\val\nr]%
+  %% Allowed values for pattern:
+  {std,stdeight,majmin,dot,hex,tri,iso,lightcone,ruled,doubleruled}{%
+  \ifcase\nr\relax
+    %% std
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Quadrille, ten squares per inch.
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{false}{letterpaper, margin=0.2in}{0.1in}{%
+%% Draw a grid with 10 squares per inch.
+\draw[style=minorgrid, shift={(a)}] (0,0) grid [step=\GP@patternsize] (b);
+%%
+%% Draw a frame around the grid.
+\draw[style=majorgrid] (a) rectangle (b);
+    }
+  \or
+    %% stdeight
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Quadrille, eight squares per inch.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{false}{letterpaper, margin=0.1875in}{0.125in}{%
+%% Draw a grid with 10 squares per inch.
+\draw[style=minorgrid, shift={(a)}] (0,0) grid [step=\GP@patternsize] (b);
+%%
+%% Draw a frame around the grid.
+\draw[style=majorgrid] (a) rectangle (b);
+    }
+  \or
+    %% majmin
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Graph paper, eight squares per inch with a major grid
+%% every half-inch.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{false}{letterpaper, margin=0.25in}{0.125in}{%
+%% Draw a grid with 10 squares per inch.
+\draw[style=minorgrid, shift={(a)}] (0,0) grid [step=\GP@patternsize] (b);
+%%
+\draw[style=majorgrid, shift={(a)}] (0,0) grid [step=4*\GP@patternsize]   (b);
+%%
+%% Draw a frame around the grid.
+\draw[style=majorgrid] (a) rectangle (b);
+    }
+  \or
+    %% dot
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Dot grid
+%% Slightly modified version of code added by Leo
+%% Stein (@duetosymmetry).
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{true}{}{0.1in}{%
+    \fill [pattern=dotgrid,pattern color=minorcolor] (a) rectangle (b);
+    }
+  \or
+    %% hex
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Hex grid
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{true}{}{0.1666in}{%
+    \fill [pattern=hexagons,pattern color=minorcolor] (a) rectangle (b);
+    }
+  \or
+    %% tri
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Triangle grid, adjust triangle size in the preamble
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{true}{}{0.25in}{%
+      \fill [pattern=triangles,pattern color=minorcolor] (a) rectangle (b);
+    }
+  \or
+    %% iso
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Isometric grid
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{true}{}{0.25in}{%
+      \fill [pattern=isometric, pattern color=minorcolor] (a) rectangle (b);
+    }
+  \or
+    %% lightcone
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% A grid with light cones.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{false}{letterpaper, margin=.125in}{0.25in}{%
+%% Draw a grid with 4 squares per inch.
+\draw[style=minorgrid, shift={(a)}] (0,0) coordinate grid [step=\GP@patternsize] (b);
+%%
+%% Draw a border around the grid.
+\draw[style=majorgrid, pattern={lightcones[myshift={(a)}]}, pattern color=lightlines] (a) rectangle (b);
+    }
+  \or
+    %% ruled
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Ruled page with bold lines every 0.2in or 0.25in
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{false}{letterpaper, body={8in,10.8in}}{0.2in}{%
+%% Draw a ruled page with lines every 0.2in
+\draw[style=majorgrid, shift={(a)}] (0,0) grid [ystep=\GP@patternsize, xstep=\paperwidth] (b);
+%% Draw a frame around the grid.
+\draw[style=majorgrid] (a) rectangle (b);
+    }
+  \or
+    %% doubleruled
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Ruled page with bold lines every 0.25in and light lines
+%% every 0.125 in.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+    \GP@setpattern{false}{letterpaper, margin=.25in}{0.125in}{%
+%% Draw a ruled pattern with thin lines every 0.125 in and bold lines every 0.25 in.
+\draw[style=minorgrid, shift={(a)}] (0,0) grid [ystep=\GP@patternsize, xstep=\paperwidth] (b);
+%%
+\draw[style=majorgrid, shift={(a)}] (0,0) grid [ystep=2*\GP@patternsize, xstep=\paperwidth] (b);
+%%
+%% Draw a frame around the grid.
+\draw[style=majorgrid] (a) rectangle (b);
+    }
+  \fi
+}
+
+%% Use the passed package option to set the above key
+\expandafter\@setkeyhelper\expandafter{\GPOpt@pattern}{pattern}
+
+%% Determine whether or not to (re)set fullpage vs textarea
+\ifGP@fullnessset
+%% Respect their choice
+\else
+  %% Reset the value of \GP@fullpage based on the pattern's default
+  %% There's probably a more idiomatic way to do this but I can't
+  %% figure it out
+  \ifKV@GP@patterndefaultfullness
+    \GP@fullpagetrue
+  \else
+    \GP@fullpagefalse
+  \fi
+\fi
+
+%% Determine whether or not to fiddle with the page geometry
+\ifGP@geometrypreviouslyloaded
+%% Respect their previous choice
+\PackageWarning{gridpapers}{'geometry' package was previously loaded, will not use pattern defaults.}
+\else
+  %% Use the pattern's defaults,
+  \expandafter\geometry\expandafter{\GP@patterndefaultgeometry}
+  %% And then override with any more specific settings passed by the user
+  \expandafter\geometry\expandafter{\GPOpt@geometry}
+\fi
+
+%% Determine the correct pattern length
+\ifx\GPOpt@patternsize\@empty
+  % Use the pattern's preferred length
+  \renewcommand{\GP@patternsize}{\GP@patterndefaultsize}
+\else
+  % Override with the user's choice
+  \renewcommand{\GP@patternsize}{\GPOpt@patternsize}
+\fi
+
+%% Now that everything has been set up, we can finally define the
+%% patterns with the correct lengths.
+\GP@declarehexpat
+\GP@declaretripat
+\GP@declareisopat
+\GP@declarelightconepat
+\GP@declaredotpat
+
+%% Set the background color.
+\AtBeginDocument{\pagecolor{bgcolor}}
+%% Actually hook it in!
+\AddEverypageHook{%
+\GP@patterncode%
+}
+
+\endinput
+%    \end{macrocode}
+%
+% \iffalse
+%</package>
+% \fi
+%
+% \Finale
+\endinput
diff --git a/Master/texmf-dist/source/latex/gridpapers/gridpapers.ins b/Master/texmf-dist/source/latex/gridpapers/gridpapers.ins
new file mode 100644
index 00000000000..d9a81c8e2ae
--- /dev/null
+++ b/Master/texmf-dist/source/latex/gridpapers/gridpapers.ins
@@ -0,0 +1,57 @@
+%% Copyright (C) 2021 by Robert McNees <rmcnees@luc.edu>, Leo C. Stein <leo.stein@gmail.com>
+%% --------------------------------------------------------------------------
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (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 Maintainers of this work are Robert McNees, Leo C. Stein.
+%%
+%% This work consists of the files gridpapers.dtx and gridpapers.ins
+%% and the derived filebase gridpapers.sty.
+%%
+
+\input docstrip.tex
+\keepsilent
+
+\usedir{tex/latex/gridpapers}
+
+\preamble
+
+This is a generated file.
+
+Copyright (C) 2021 by Robert McNees <rmcnees@luc.edu>, Leo C. Stein <leo.stein@gmail.com>
+--------------------------------------------------------------------------
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either version 1.3
+of this license or (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.
+
+\endpreamble
+
+\generate{\file{gridpapers.sty}{\from{gridpapers.dtx}{package}}}
+
+\obeyspaces
+\Msg{*************************************************************}
+\Msg{*                                                           *}
+\Msg{* To finish the installation you have to move the following *}
+\Msg{* file into a directory searched by TeX:                    *}
+\Msg{*                                                           *}
+\Msg{*     gridpapers.sty                                        *}
+\Msg{*                                                           *}
+\Msg{* To produce the documentation run the file gridpapers.dtx  *}
+\Msg{* through LaTeX.                                            *}
+\Msg{*                                                           *}
+\Msg{* Happy TeXing!                                             *}
+\Msg{*                                                           *}
+\Msg{*************************************************************}
+
+\endbatchfile