--- a/fancycmd.py	Sat Jun 27 19:32:48 2009 +0300
+++ b/fancycmd.py	Sat Jun 27 20:52:03 2009 +0300
@@ -88,6 +88,8 @@
         cmdtable['help'][0](ui, e.args[0])
     except KeyboardInterrupt:
         ui.warn('interrupted!\n')
+    except SystemExit:
+        raise
     except:
         ui.warn('unknown exception encountered')
         raise