Added a \versionchanged since the API changed to support

namespaces with 1.5.2.

Added an index entry.

Fixed XML expansion:  XML is the "Extensible Markup Language", not the
"eXtended Markup Language".

Doc/lib/libxmllib.tex

@@ -7,9 +7,12 @@
 \modulesynopsis{A parser for XML documents.}
 
 \index{XML}
+\index{Extensible Markup Language}
+
+\versionchanged{1.5.2}
 
 This module defines a class \class{XMLParser} which serves as the basis 
-for parsing text files formatted in XML (eXtended Markup Language).
+for parsing text files formatted in XML (Extensible Markup Language).
 
 \begin{classdesc}{XMLParser}{}
 The \class{XMLParser} class must be instantiated without arguments.