Re: What's the line length limit in the Emacs codebase?

[Philipp Stephani]

Am Mi., 23. Dez. 2020 um 17:55 Uhr schrieb Stefan Monnier
<monnier@iro.umontreal.ca>:
>
> >> There seem to be conflicting settings for the line length limit in the
> >> Emacs codebase: .dir-locals.el sets fill-column to 70, but large areas
> >> of the source code (including comments) seem to use 80. Can we pick
> >> one value and use it consistently (for new/changed code)?
> >
> > 70 is it, we just don't necessarily enforce it religously.
> >
> > Where did you see significant deviations from that standard?
>
> Indeed.  I'd say that we it's a kind of progressive limit:
> - it's OK to have all lines ≤ 70-columns wide
> - it's not OK to have most lines >70-columns
> - we tolerate reaching the area between 70 and 80 columns every once in
>   a while, tho.
> - ≥80 columns OTOH should really be rare, limited to the exceptional
>   cases where the alternative is really worse.
>

This seems overly complicated, and people are unlikely to follow
complicated rules.
Let's just pick a number and stick to it consistently.