Looks for problems in internet draft formatting

Current versions

idnits requires the following formulae to be installed:
aspell Spell checker with better logic than ispell
languagetool 3.9 Style and grammar checker

Recent formula history

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
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages

Formula code at GitHub