diff -r 803431dcc7fb -r e3ac771235f7 src/Pure/General/markup.scala
--- a/src/Pure/General/markup.scala	Tue Sep 07 13:16:45 2010 +0200
+++ b/src/Pure/General/markup.scala	Tue Sep 07 14:08:21 2010 +0200
@@ -136,6 +136,8 @@
   val LITERAL = "literal"
   val INNER_COMMENT = "inner_comment"
 
+  val TOKEN_RANGE = "token_range"
+
   val SORT = "sort"
   val TYP = "typ"
   val TERM = "term"