bug#22560: forward-word etc should be interactive-only

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: 22560@debbugs.gnu.org
> Date: Mon, 08 Feb 2016 12:48:23 -0500
> 
> 
> Thank you.

You are welcome.

> I think the doc of forward-word and backward-word should mention this
> issue and xref to the -strictly versions. I also think an explicit
> "by `find-word-boundary-function-table' (as used by e.g. `subword-mode')"
> would be helpful.

Done.