[PATCH] Clarify documentation of signal numbers

[Eli Zaretskii]

> From: Tom Tromey <tromey@adacore.com>
> Cc: Tom Tromey <tromey@adacore.com>,  gdb-patches@sourceware.org
> Date: Mon, 06 Jan 2025 10:51:02 -0700
> 
> >>>>> "Eli" == Eli Zaretskii <eliz@gnu.org> writes:
> 
> Eli> It's clear enough, IMO.  But I wonder whether we should simply have a
> Eli> table of POSIX signal numbers 1-15 and the corresponding names, as GDB
> Eli> converts them.
> 
> Yeah, that makes sense.  I think I thought making a nice-looking table
> would be harder than it is.
> 
> Here's v2, let me know what you think.

LGTM, thanks.