bug#44232: global-display-fill-column-indicator-mode vs. readonly buffers

[Eli Zaretskii]

> From: 積丹尼 Dan Jacobson <jidanni@jidanni.org>
> Cc: larsi@gnus.org,  44232@debbugs.gnu.org
> Date: Tue, 27 Oct 2020 06:28:53 +0800
> 
> OK, the docstring should say "to disable filling, use some large
> number".
> 
> ("If you use zero instead, you
> w
> i
> l
> l
> 
> maybe get something like that. So don't waste time guessing. So that's
> why we will tell you right in the Docstring!")

That's so self-evident that doesn't warrant any changes in the doc
string.