my $call = $ref->call;
my $here = $ref->here;
my $conf = $ref->conf;
- my $version = $ref->version;
+ my $version = $ref->version || 5401;
$version = 5300 + int($version*100) if $version < 2;
$version = 5252 + int($version*100) if $version < 3;
my $str = "^$here^$call^$conf^$version";