Steps to reproduce:
Create custom bang with the following URL:
https://man.archlinux.org/search?q=%s&go=Go
use the bang, e.g. !archman grub-install
you will be redirected to https://man.archlinux.org/search?q=grub-install&go=Go
Expected behavior:
Redirect to https://man.archlinux.org/search?q=grub-install&go=Go
which immediately redirects to https://man.archlinux.org/man/grub-install.8
Debug info:
Firefox/Linux/ Europe west 2
