augnemting the APIs, cleanups. cleanup bug #111005 added some missing

* include/libxml/relaxng.h relaxng.c include/libxml/xmlreader.h
  xmlreader.c: augnemting the APIs, cleanups.
* parser.c: cleanup bug #111005
* xmlIO.c: added some missing comments
Daniel
diff --git a/xmlIO.c b/xmlIO.c
index 82416f2..f137d66 100644
--- a/xmlIO.c
+++ b/xmlIO.c
@@ -124,9 +124,12 @@
 
 /**
  * xmlNormalizeWindowsPath:
+ * @path: the input file path
  *
  * This function is obsolete. Please see xmlURIFromPath in uri.c for
  * a better solution.
+ *
+ * Returns a canonicalized version of the path
  */
 xmlChar *
 xmlNormalizeWindowsPath(const xmlChar *path)