Admin/update-keywords

--- a/Admin/update-keywords	Tue Jul 10 09:24:43 2007 +0200
+++ b/Admin/update-keywords	Tue Jul 10 13:12:53 2007 +0200
@@ -5,6 +5,8 @@
 #
 # DESCRIPTION: Update standard keyword files.
 
+cd "$(isatool getenv -b ISABELLE_HOME)"/etc
+
 isabelle -qe 'ProofGeneral.write_keywords "";' IOA
 isabelle -qe 'ProofGeneral.write_keywords "HOL-Nominal";' HOL-Nominal
 isabelle -qe 'ProofGeneral.write_keywords "ZF";' ZF