Oh, didn't realize that they were running with it on the main repo. Though, still, it seems a bit odd:

* IMO it should be ok to link to issues on other repos, too (e.g. match `github\.com/[/]+/[/]+/(?:issues|pull)`...)
* I was a bit worried that the [issues regex](https://github.com/nevir/rubocop-rspec/pull/5/files#diff-db360415c82dc1c3dd5a5c2872d0cd04R66) is a bit too loose; but let's keep that as is for now