Index: install.sub
===================================================================
RCS file: /cvs/src/distrib/miniroot/install.sub,v
retrieving revision 1.650
diff -u -p -r1.650 install.sub
--- install.sub 2 Aug 2011 20:40:52 -0000       1.650
+++ install.sub 6 Aug 2011 19:15:45 -0000
@@ -1562,6 +1562,8 @@ set_timezone() {
                       case $resp in
                       "")     ;;
                       "?")    sed -n "/^$_zsed/{s/$_zsed//;/\/./!p;}" $_zonefile | showcols ;;
+                       *+([[:space:]])*)
+                               echo "'$_zonepath/$resp' is not a valid timezone on this system." ;;
                       *)      _zonepath=$_zonepath/$resp ;;
                       esac
               done