Looks for problems in internet draft formatting

Current version

idnits requires the following formulae to be installed:
aspell Spell checker with better logic than ispell
languagetool 4.0 Style and grammar checker

Recent formula history

ilovezfs idnits 2.15.01 (#23014)
ilovezfs idnits 2.15.00
Oliver Newman idnits: fully scope test system call
Lars Eggert idnits 2.14.01 (#1041)
Xu Cheng idnits: bottle unneeded

Formula code at GitHub