diff -r 5df087c6ce94 -r 8e51fc35d59f src/Pure/General/markup.scala
--- a/src/Pure/General/markup.scala	Tue May 25 22:21:31 2010 +0200
+++ b/src/Pure/General/markup.scala	Tue May 25 23:03:13 2010 +0200
@@ -193,7 +193,6 @@
   val INIT = "init"
   val STATUS = "status"
   val WRITELN = "writeln"
-  val PRIORITY = "priority"
   val TRACING = "tracing"
   val WARNING = "warning"
   val ERROR = "error"