'bundle/{}' is the default, so there is no need to list it. When
migrating the vim configuration into the dotfiles repository, I at one
point encountered errors when using pathogen#infect() without an
argument, where listing the default argument worked. I didn't at that
time investigate the problem, which appears to be no problem.
" All addons managed via pathogen
filetype off
runtime bundle/vim-pathogen/autoload/pathogen.vim
-call pathogen#infect('bundle/{}')
+call pathogen#infect()
call pathogen#helptags()
" This .vimrc depends upon the sensible plugin for proper operation.