"N. Jackson" <nljlistbox2@gmail.com> writes:

> No, I'm not saying Org shouldn't use window-max-chars-per-line --
> rather the opposite in fact. I'm just saying it maybe needs to be
> thought about carefully first.

Indeed. There is no point using w-m-c-p-l when we actually need the full
window size with fringes.

> If it works as advertised it would seem to be the right choice as
> long as Emacs bug #19395 exists (which looks like it will be
> forever). My reservations about the function are only that its spec
> is more ambitious than that of window-width (because it handles
> faces) and the added complexity might potentially introduce more
> corner cases where it doesn't work. But perhaps that's just the
> paranoia of someone who thinks that text editors should restrict
> themselves to monospaced fonts!

There is at least one workaround in org-agenda trying to account for the
face width. w-m-c-p-l should do better than that.

Attaching the patch.

Best,
Ihor