Index: en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
+++ en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
@@ -56,6 +56,28 @@
 	    <application>gcc</application> 4.7 based one.</entry>
 	</row>
 
+	<row xml:id="uses-autoreconf">
+	  <entry><literal>autoreconf</literal></entry>
+
+	  <entry>(none), <literal>build</literal></entry>
+
+	  <entry>Runs <command>autoreconf</command>.  It encapsulates
+	    the <command>aclocal</command>,
+	    <command>autoconf</command>,
+	    <command>autoheader</command>,
+	    <command>automake</command>, <command>autopoint</command>,
+	    and <command>libtoolize</command> commands.  Each command
+	    applies to
+	    <filename>${CONFIGURE_WRKSRC}/configure.ac</filename>. If
+	    <filename>configure.ac</filename> defines subdirectories
+	    with their own <filename>configure.ac</filename> using
+	    <literal>AC_CONFIG_SUBDIRS</literal>,
+	    <command>autoreconf</command> will recursively update
+	    those as well.  The <literal>:build</literal> argument
+	    only adds build time dependencies on those tools but does
+	    not run <command>autoreconf</command>.</entry>
+	</row>
+
 	<row xml:id="uses-bison">
 	  <entry><literal>bison</literal></entry>