Here is a new patch for zsh-completion that add eclean completion and most of the programs of portage_utils. It's not perfect but it works for me.
Created attachment 87109 [details, diff] the patch
Created attachment 87110 [details, diff] the good patch sorry the precedent patch was the wrong patch
Thanks, committed as 20060618. Sorry if I do not respond too long. (I'm a bit busy right now writing my master's thesis)
qimlate is no more. Functionality has been moved into qcache applet.