bug#31094: Code for second solution

[Boruch Baum]

Attached is code for the second solution idea that I mrentioned in my
first post. Note that these approaches are complementary and
independent; I would advocate for both being adopted.

Do note that this 'breaks' a feature formerly available. Prior, pressing
return on an entry would display documentation for that entry; Now one
must press `C-h v' / `C-h f' etc.

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apropos-print.el
Description: Text document