fixed problem parsing xhtml docs small modification to avoid problem in

* doc/index.py: fixed problem parsing xhtml docs
* doc/xmlreader.html,doc/guidelines.html: small modification
  to avoid problem in python parsing.
* doc/search.php: fixed upper case filename problem for XSLT docs
diff --git a/doc/search.php b/doc/search.php
index 85f5761..ed11884 100644
--- a/doc/search.php
+++ b/doc/search.php
@@ -258,8 +258,7 @@
 							$t,$m,$d,$w,$u);
 			    } else {
 				$id = strtoupper($name);
-//				$m = strtolower($module);
-//				$url = "html/libxml-$m.html#$id";
+				$m = strtolower($module);
 				$url = "html/libxml-$module.html#$id";
 				$results[$name] = array($relevance,$type,
 						$module, $desc, $name, $url);
@@ -285,7 +284,7 @@
 			    } else {
 				$id = strtoupper($name);
 				$m = strtolower($module);
-				$url = "XSLT/html/libxslt-$m.html#$id";
+				$url = "XSLT/html/libxslt-$module.html#$id";
 				$results[$name] = array($relevance,$type,
 						$module, $desc, $name, $url);
 			    }