While tackling ticket #6635 I realized that I myself didn't really knew
how the Dotfile feature worked :)
So I added an example to clear all doubts (hopefully!) with commit
cfe9f5a and fixed #6635 with commit d53523e.
Branch: doc/dotfiles into master
Ticket:
https://labs.riseup.net/code/issues/6635
And if you are interested about the meta, see principle #8 "Examples
clarify complicated concepts more than almost anything else", in:
http://idratherbewriting.com/2014/06/20/10-technical-writing-principles-to-live-by/
--
sajolida