The current ebuild for dev-util/mercurial installs completion files for bash and emacs, but not for zsh. The attached patch adds support for the zsh completion script for mercurial.
Created attachment 107575 [details, diff] Adds 'zsh' to IUSE
Thanks, this has been fixed in dev-util/mercurial-0.9.3-r1. This bug will remain open until 0.9.3-r1 is marked stable.
dev-util/mercurial-0.9.3-r1 is now stable on the following archs (bug #175814): alpha amd64 ia64 ppc sparc x86