applied 42 documentation patches from Charlie Bozeman. Regenerated the

* *.c include/libxml/*.h doc/html/*: applied 42 documentation
  patches from Charlie Bozeman. Regenerated the HTML docs.
Daniel
diff --git a/xinclude.c b/xinclude.c
index 620e426..3f38b62 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -672,7 +672,7 @@
  *
  * Find and load the infoset replacement for the given node.
  *
- * Returns 0 if substition succeeded, -1 if some processing failed
+ * Returns 0 if substitution succeeded, -1 if some processing failed
  */
 static int
 xmlXIncludeLoadNode(xmlXIncludeCtxtPtr ctxt, int nr) {
@@ -739,7 +739,7 @@
 	xmlChar *escbase;
 	xmlChar *eschref;
 	/*
-	 * Some escapeing may be needed
+	 * Some escaping may be needed
 	 */
 	escbase = xmlURIEscape(base);
 	eschref = xmlURIEscape(href);
@@ -796,7 +796,7 @@
  *
  * Inplement the infoset replacement for the given node
  *
- * Returns 0 if substition succeeded, -1 if some processing failed
+ * Returns 0 if substitution succeeded, -1 if some processing failed
  */
 static int
 xmlXIncludeIncludeNode(xmlXIncludeCtxtPtr ctxt, int nr) {
@@ -864,7 +864,7 @@
  *
  * Implement the XInclude substitution on the XML document @doc
  *
- * Returns 0 if no substition were done, -1 if some processing failed
+ * Returns 0 if no substitution were done, -1 if some processing failed
  *    or the number of substitutions done.
  */
 static int
@@ -932,7 +932,7 @@
  *
  * Implement the XInclude substitution on the XML document @doc
  *
- * Returns 0 if no substition were done, -1 if some processing failed
+ * Returns 0 if no substitution were done, -1 if some processing failed
  *    or the number of substitutions done.
  */
 int