bug#3801: 23.0.96; Emacs manual: add index entry for "notation, keys" or "key notation"

[Eli Zaretskii]

> From: "Drew Adams" <drew.adams@oracle.com>
> Date: Tue, 12 Jul 2011 09:27:55 -0700
> Cc: 3801@debbugs.gnu.org
> 
> There should be a description of how the manual indicates key sequences,
> including for different kinds of keys (e.g. angle-bracket notation vs no angle
> brackets).

I think you are looking for "User Input" and "Keys" nodes.