--- script/confhc-hat.sav	2005-09-19 21:38:32.000000000 -0400
+++ script/confhc-hat	2005-09-19 21:38:55.000000000 -0400
@@ -56,7 +56,7 @@
 ghcsym () {
   echo __GLASGOW_HASKELL__ >ghcsym.hs;
   $1 -E -cpp -optP-P ghcsym.hs -o ghcsym.out;
-  grep -e '^[0-9]*$' ghcsym.out > $2
+  grep -E '^[0-9]+$' ghcsym.out > $2
   rm -f ghcsym.hs ghcsym.out;
 }