bugs in mIRC 6.16:

1. $isfile()

A file with name "ip" is ignored by $isfile().
Example:
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.