diff -r c5cb19ecbd41 -r 1e6d86821718 etc/isar-keywords-ZF.el
--- a/etc/isar-keywords-ZF.el	Fri Dec 17 18:24:44 2010 +0100
+++ b/etc/isar-keywords-ZF.el	Fri Dec 17 18:33:35 2010 +0100
@@ -103,7 +103,7 @@
     "no_syntax"
     "no_translations"
     "no_type_notation"
-    "nonterminals"
+    "nonterminal"
     "notation"
     "note"
     "notepad"
@@ -189,6 +189,7 @@
     "txt_raw"
     "typ"
     "type_notation"
+    "type_synonym"
     "typed_print_translation"
     "typedecl"
     "types"
@@ -381,7 +382,7 @@
     "no_syntax"
     "no_translations"
     "no_type_notation"
-    "nonterminals"
+    "nonterminal"
     "notation"
     "notepad"
     "oracle"
@@ -403,6 +404,7 @@
     "theorems"
     "translations"
     "type_notation"
+    "type_synonym"
     "typed_print_translation"
     "typedecl"
     "types"