--- a/src/Pure/PIDE/yxml.scala Mon Nov 28 22:05:32 2011 +0100
+++ b/src/Pure/PIDE/yxml.scala Mon Nov 28 22:18:19 2011 +0100
@@ -1,4 +1,5 @@
/* Title: Pure/PIDE/yxml.scala
+ Module: Library
Author: Makarius
Efficient text representation of XML trees. Suitable for direct