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/xmlcatalog.c b/xmlcatalog.c
index 3d0f73c..3f15369 100644
--- a/xmlcatalog.c
+++ b/xmlcatalog.c
@@ -400,7 +400,7 @@
 
 	    if (sgml) {
 		/*
-		 * Maintainance of SGML catalogs.
+		 * Maintenance of SGML catalogs.
 		 */
 		xmlCatalogPtr catal = NULL;
 		xmlCatalogPtr super = NULL;