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

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Tue, 16 Feb 2021 13:06:43 +0100
> Cc: anticrisisg@gmail.com, 44834@debbugs.gnu.org, rms@gnu.org
> 
> So I think the text should go back to "15" unless Richard has a better
> explanation for the change.

Would it be good enough to say "about 10" instead?  The exact number
is impossible to define, and arguing about it is waste of time and
energy.  When in doubt (and we rarely are), we can always ask (and
actually do ask).