# acceptible perl versions: "$] value" => "human-readible version string"
my %ok_perl_versions = (
"5.006" => "5.6.0",
"5.006001" => "5.6.1",
"5.008" => "5.8.0",
"5.008001" => "5.8.1",
"5.008002" => "5.8.2",
"5.008004" => "5.8.4",
"5.008006" => "5.8.6"
);