diff -r 6decb8811d30 -r 587e97d144a0 isar-keywords-prove.el
--- a/isar-keywords-prove.el	Fri Dec 11 11:12:53 2009 +0100
+++ b/isar-keywords-prove.el	Fri Dec 11 11:14:05 2009 +0100
@@ -257,6 +257,7 @@
 (defconst isar-keywords-minor
   '("advanced"
     "and"
+    "as"
     "assumes"
     "attach"
     "avoids"