bug#44834: Fix for failing indentation of Tcl procs nested in namespace

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: rms@gnu.org,  anticrisisg@gmail.com,  44834@debbugs.gnu.org,
>   dgutov@yandex.ru
> Date: Fri, 12 Feb 2021 09:14:33 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >   Once the cumulative amount of your submissions exceeds about 10 lines
> >   of non-trivial changes, we will need you to assign to the FSF the
> 
> But it used to be 15 lines?

Richard asked to change it to 10.

AFAIU, what CONTRIBUTE says is just a conservative threshold, above
which human judgment is required.  After all, how much of creative
value is there in any given code is not something one can estimate by
just counting lines.