I've written a quick & dirty hack to allow custom formatting for the
Copy+ command. It uses the variable copyplusformat in ~/.qf/config under section [Appearance].
For example the format: /me is playing on "<name>", <ip>:<port>, Map: <map>, Players: <players>/<maxplayers>
procudes this output: /me is playing on "The Sixpack rules by fd.de", 18.104.22.168:28960, Map: fueldump, Players: 8/28
Perhaps someone wants to integrate this in the XQF sources, eventually
with an edit box in the preferences dialog. Here's a short blog entry
containing the patch and an EBuild for Gentoo Linux: