An informal editormight allow for sloppiness or inattentiveness, but an "informalist" consistently edits for less capitalization, formatting, punctuation and verbosity.
The informalist editor and the minimalist writer work well together because neither tolerate fluff.
Derived from an article in a very famous newspaper that described a practise as "informally formalized." To formalize a practise at the workinglevel, without official sanction.
The manual didn't cover how to submit product concerns, so we've informalized the process of submitting product concerns by email.