preparing 2.6.24 release, fixed Python paths at the last moment fix some

* NEWS configure.in doc//*: preparing 2.6.24 release, fixed Python
  paths at the last moment
* relaxng.c testapi.c tree.c: fix some comments
Daniel
diff --git a/relaxng.c b/relaxng.c
index 45eef13..478f31a 100644
--- a/relaxng.c
+++ b/relaxng.c
@@ -7513,9 +7513,16 @@
     return (0);
 }
 
+/**
+ * xmlRelaxNGSetParserStructuredErrors:
+ * @ctxt:  a Relax-NG parser context
+ * @serror:  the error callback
+ * @ctx:  contextual data for the callbacks
+ *
+ * Set the callback functions used to handle errors for a parsing context
+ */
 void
-xmlRelaxNGSetParserStructuredErrors(
-				    xmlRelaxNGParserCtxtPtr ctxt,
+xmlRelaxNGSetParserStructuredErrors(xmlRelaxNGParserCtxtPtr ctxt,
 				    xmlStructuredErrorFunc serror,
 				    void *ctx)
 {