Hi Michael,

Michael Albinus <michael.albinus@gmx.de> writes:

> Robert Pluim <rpluim@gmail.com> writes:
> Somewhere, it was said that we avoid "iff" in Emacs (GNU in general?)
> documentation. Unfortunately, I cannot find this rule just now.

JFTR: (info "(elisp) Documentation Tips")

   • Avoid using “iff” (a mathematics term meaning “if and only if”),
     since many people are unfamiliar with it and mistake it for a typo.
     In most cases, the meaning is clear with just “if”.  Otherwise, try
     to find an alternate phrasing that conveys the meaning.

-- 
Bruno Félix Rezende Ribeiro (oitofelix) [0x28D618AF]
<http://oitofelix.freeshell.org/>