Created a new chapter on structured markup processing, including the
existing SGML, HTML, & XML support, and providing a home for the new
XML support as it becomes documented.
diff --git a/Doc/lib/markup.tex b/Doc/lib/markup.tex
new file mode 100644
index 0000000..66934c4
--- /dev/null
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+\chapter{Structured Markup Processing Tools
+ \label{markup}}
+
+Python supports a variety of modules to work with various forms of
+structured data markup. This includes modules to work with the
+Standard Generalized Markup Language (SGML) and the Hypertext Markup
+Language (HTML), and several interfaces for working with the
+Extensible Markup Language (XML).
+
+\localmoduletable