bug#64868: 29.1; C-x O binding suggestion for (other-window -1)

[Eli Zaretskii]

> Date: Wed, 2 Aug 2023 13:07:42 GMT
> From: Van Ly <van.ly@sdf.org>
> Cc: 64868@debbugs.gnu.org
> 
> Is there a way to overlay ``b'' in the read-only modes such as
> view-mode to function in the opposite direction to SPC.

I don't understand what you mean by "overlay".  The function in the
opposite direction of SPC is View-scroll-page-backward, so if you want
to bind it to some non-default key, you can (although it already has a
convenient binding to S-SPC).

> The ``self-insert'' default for keys in read-only modes feels like a
> bug you step on, notice but don't squish by habit.

I don't understand what you are trying to say here.  What "self-insert
default" are you alluding to?