This is the default value of savehist-file, which shouldn't be kept under version control.
Need to figure out a way to get shell-command output to show in the shell rather than just echoing return value.
Well, it's more like 8-color terms are useless. But whatever.
Not sure what Emacs version introduced it.
I also recommend bitlbee and elim as alternatives. Hopefully the jabber.el developers can package it up properly in order to provide a better installation option.
It causes some bad behaviour (flymake going nuts, treating .erb files as HTML, etc) and is huge.