bugs in mIRC 6.16:
A file with name "ip" is ignored by $isfile().
Create a file named "ip.txt" in mirc directory,
then //echo -a $isfile(ip.txt)
returns $false .
2. chatlink port
First, in mirc Options dialog, IRC -> Catcher -> chat links,
uncheck "Confirm requests". Then, click on a chatlink, mirc
will connect to a wrong port number.