bug#71987: 30.0.60; [PATCH] Document Eshell entry points

[Eli Zaretskii]

> Date: Mon, 8 Jul 2024 20:47:00 -0700
> Cc: 71987@debbugs.gnu.org
> From: Jim Porter <jporterbugs@gmail.com>
> 
> On 7/8/2024 4:16 AM, Eli Zaretskii wrote:
> > This should tell that this is what happens if the user types just
> > @kbd{M-x eshell @key{RET}}.  I'd probably also say "@code{nil} or
> > omitted".
> > 
> > Please also think about adding more indexing for these sections.
> 
> Done both of these (see attached).

LGTM, thanks.