I took the liberty of creating a small .chm file to document all of the previous undocumented features of mIRC that I am aware of. Many people requested it, so here it is.

If anyone has any suggestions of things to add, feel free to post.

Link: http://forum.swiftirc.net/viewtopic.php?p=155615#155615

Apologies for hosting it on another forum, it makes it much easier to update one post as opposed to having loads floating round everywhere.

Picture to whet your appetite: