Bug 1580850 - Fix wrong markup when a link contains a bug number.
Bug 1580850 - Fix wrong markup when a link contains a bug number.

This way we don't linkify href attributes themselves.

bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox