Broken links to FAQ: http://www.zsh.org/FAQ/
Here is a link that seems to be correct: http://zsh.sourceforge.net/FAQ/
The broken link can be found here:
file:///usr/share/doc/zsh-4.3.10/html/Introduction.html#The-Zsh-FAQ
info:/zsh/The Zsh FAQ
Downstream bug report: https://bugs.gentoo.org/show_bug.cgi?id=297420
Fixed, http://www.zsh.org/FAQ/ redirects to http://zsh.sourceforge.net/FAQ/