Starting Tdoc exercises

Doc/Tdoc/exercise.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<chapter version="5.0" xml:id="tdocChapExercises"
+         xmlns="http://docbook.org/ns/docbook"
+         xmlns:xlink="http://www.w3.org/1999/xlink"
+         xmlns:xi="http://www.w3.org/2001/XInclude"
+         xmlns:svg="http://www.w3.org/2000/svg"
+         xmlns:m="http://www.w3.org/1998/Math/MathML"
+         xmlns:html="http://www.w3.org/1999/xhtml"
+         xmlns:db="http://docbook.org/ns/docbook">
+  <title>Exercises</title>
+
+  <section xml:id="tdocSectExerciseLatex">
+    <title>LaTeX</title>
+
+    <section xml:id="tdocExerciseLatexHello">
+      <title>LaTeX hello,... world</title>
+
+      <qandaset defaultlabel="qanda" xml:id="tdocQandaLatexHello">
+        <qandadiv>
+          <qandaentry>
+            <question>
+              <para>Use the <link
+              xlink:href="https://www.tug.org/texworks">TeXworks</link> GUI to
+              create this <link
+              xlink:href="Ref/Screen/latexHelloWorld.pdf">PDF
+              result</link>.</para>
+            </question>
+
+            <answer>
+              <programlisting language="tex">\documentclass[11pt]{article} % use larger type; default would be 10pt
+
+\usepackage[utf8]{inputenc} % set input encoding (not needed with XeLaTeX)
+
+\title{Basic example}
+\author{The Author}
+
+\begin{document}
+\maketitle
+
+\section{A hello world example}
+
+Your text goes here.
+
+\subsection{A subsection}
+
+This may become a real subsection when adding further text ...
+
+\end{document}</programlisting>
+            </answer>
+          </qandaentry>
+        </qandadiv>
+      </qandaset>
+    </section>
+  </section>
+</chapter>

Doc/lectures.xml

@@ -213,6 +213,8 @@
     <xi:include href="Tdoc/general.xml" xpointer="element(/1)"/>
 
     <xi:include href="Tdoc/software.xml" xpointer="element(/1)"/>
+
+    <xi:include href="Tdoc/exercise.xml" xpointer="element(/1)"/>
   </part>
 
   <part xml:id="sda2">