Started a PreTeXt book.

source/backmatter.ptx

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- This file contains all of the "backmatter" material -->
+<!-- In comments, we show examples of how to have hints to divisional -->
+<!-- excercies appear in a section, and then their -->
+<!-- solutions in the next. Then there is an appendix -->
+<!-- with all notation generated, and finally the index. -->
+<backmatter xmlns:xi="http://www.w3.org/2001/XInclude" xml:id="backmatter">
+  <title>Backmatter</title>
+
+  <!-- <solutions divisional="hint"> <title>Selected Hints</title> </solutions> -->
+
+  <!-- <solutions divisional="solution"> <title>Selected Solutions</title> </solutions> -->
+
+  <!-- <appendix> <title>List of Symbols</title> <notation-list/> </appendix> -->
+
+  <!-- <index> <title>Index</title> <index-list/> </index> -->
+
+  <colophon>
+    <p> This book was authored in <pretext />. </p>
+  </colophon>
+</backmatter>
+

source/ch-chapter-title.ptx

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<chapter xml:id="ch-chapter-title" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <title>Chapter Title</title>
+
+  <introduction>
+    <p> Text before the first section. </p>
+  </introduction>
+
+  <!-- include sections -->
+  <xi:include href="sec-section-name.ptx" />
+
+</chapter>

source/docinfo.ptx

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- The docinfo block is the analogue to the latex preamble -->
+<!-- This is where you can define macros and other book-wide -->
+<!-- settings. -->
+<docinfo xmlns:xi="http://www.w3.org/2001/XInclude">
+  <!-- A unique name for the book in a catalog; for example, see https://pretextbook.org/catalog.html and https://runestone.academy/ns/books/index. It contains a simple lowercase string with no dashes or other special characters. See https://pretextbook.org/doc/guide/html/sec-publishing-to-runestone-academy.html for more information. -->
+  <document-id>changeme</document-id>
+  <!-- A brief description for the book in a catalog; see the links above. The @shelf is used only when publishing to Runestone; see https://runestone.academy/ns/books/index for a list of valid values. You must copy these @shelf names exactly, including capitalization. -->
+  <blurb shelf="AP Computer Science"> A simple string (no markup is allowed) to describe your book. </blurb>
+
+
+  <!-- The next three lines are likely for mature projects only: -->
+
+  <!-- <brandlogo url="" source="images/cover.png"/> -->
+  <!-- <covers front="images/front.pdf" back="images/back.pdf"/> -->
+  <!-- <document-id>unique-book-id</document-id> -->
+
+  <!-- macros for defining latex math shortcuts. It is good practice -->
+  <!-- to define these semantically, so that the macro relates to what-->
+  <!-- it defines. -->
+  <macros> \newcommand{\N}{\mathbb N} \newcommand{\Z}{\mathbb Z} \newcommand{\Q}{\mathbb Q} \newcommand{\R}{\mathbb R} </macros>
+
+  <!-- If you put any latex-image elements you can include preambles -->
+  <!-- for those in the next element. -->
+  <latex-image-preamble> \usepackage{tikz, pgfplots} \usetikzlibrary{positioning,matrix,arrows} \usetikzlibrary{shapes,decorations,shadows,fadings,patterns} \usetikzlibrary{decorations.markings} </latex-image-preamble>
+
+  <!-- It is possible to rename elements: -->
+  <!-- <rename element="assemblage" xml:lang="en-US">Summary</rename> -->
+
+  <!-- Specify the default type of cross reference: -->
+  <!-- <cross-references text="type-global" /> -->
+
+
+</docinfo>

source/frontmatter.ptx

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- This frontmatter division will contain all content before the -->
+<!-- first chapter. Fill in and comment/uncomment to see how this -->
+<!-- works. -->
+
+<frontmatter xmlns:xi="http://www.w3.org/2001/XInclude" xml:id="frontmatter">
+  <bibinfo>
+  
+    <author>
+      <personname>You</personname>
+      <department>Your department</department>
+      <institution>Your institution</institution>
+    </author>
+    <date>
+      <today />
+    </date>
+
+    <website>
+      <url href="https://pretextbook.org">My Website</url>
+    </website>
+
+    <copyright>
+      <year>2020<ndash />2024</year>
+      <holder>You</holder>
+      <shortlicense> This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit <url href="http://creativecommons.org/licenses/by-sa/4.0/" visual="creativecommons.org/licenses/by-sa/4.0"> CreativeCommons.org</url>
+      </shortlicense>
+    </copyright>
+  
+  </bibinfo>
+
+  <titlepage>
+    <titlepage-items/>
+  </titlepage>
+
+  <colophon xml:id="front-colophon">
+    <colophon-items/>
+  </colophon>
+</frontmatter>
+

source/main.ptx

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<pretext xml:lang="en-US" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <!-- we first include a file which contains the docinfo element: -->
+  <xi:include href="./docinfo.ptx" />
+
+  <book xml:id="my-great-book">
+    <title>Andy's Book</title>
+    <subtitle>An example to get you started</subtitle>
+
+    <!-- Include frontmatter -->
+    <xi:include href="./frontmatter.ptx" />
+
+    <!-- Include chapters -->
+    <xi:include href="./ch-chapter-title.ptx" />
+
+
+    <!-- Include backmatter -->
+    <xi:include href="./backmatter.ptx" />
+
+  </book>
+</pretext>

source/sec-section-name.ptx

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<section xml:id="sec-section-name" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <title>Section Title</title>
+
+  <p> Text of section. </p>
+
+</section>