$status = $?;
$results = `$CAT $tmpfile`;
$results =~ s/\n+$//;
- $results =~ s/syntax error/syntax error/i;
+# bison says 'parse error' instead of 'syntax error',
+# various yaccs may or may not capitalize 'syntax'.
+ $results =~ s/^(syntax|parse) error/\L$1 error/mi;
$expected =~ s/\n+$//;
if ( $results ne $expected){
print STDERR "PROG: $switch\n$prog\n";