chomp $text;
unpad($text);
$text =~ s/\%([0-9A-F][0-9A-F])/chr(hex($1))/eg;
+ $text = Encode::encode("iso-8859-1", $text) if $main::can_encode && Encode::is_utf8($text, 1);
$text = pack("C*", map {$_ & 127} unpack("C*", $text));
$text =~ s/[^\#a-zA-Z0-9]//g;
$text = substr($text, 0, $duplth) if length $text > $duplth;