modified the file header to add more informations, painful... updated to

* include/libxml/*.h include/libxml/*.h.in: modified the file
  header to add more informations, painful...
* genChRanges.py genUnicode.py: updated to generate said changes
  in headers
* doc/apibuild.py: extract headers, add them to libxml2-api.xml
* *.html *.xsl *.xml: updated the stylesheets to flag geprecated
  APIs modules. Updated the stylesheets, some cleanups, regenerated
* doc/html/*.html: regenerated added back book1 and libxml-lib.html
Daniel
diff --git a/include/libxml/xpathInternals.h b/include/libxml/xpathInternals.h
index 896742b..75e5d74 100644
--- a/include/libxml/xpathInternals.h
+++ b/include/libxml/xpathInternals.h
@@ -1,10 +1,12 @@
 /*
- * xpathInternals.c: internal interfaces for XML Path Language implementation
- *                   used to build new modules on top of XPath
+ * Summary: internal interfaces for XML Path Language implementation
+ * Description: internal interfaces for XML Path Language implementation
+ *              used to build new modules on top of XPath like XPointer and
+ *              XSLT
  *
- * See COPYRIGHT for the status of this software
+ * Copy: See Copyright for the status of this software.
  *
- * Author: daniel@veillard.com
+ * Author: Daniel Veillard
  */
 
 #ifndef __XML_XPATH_INTERNALS_H__