RE: on helm substantial differences

[Drew Adams]

> > This will have to be an opt-in feature.  It presents completion
> > candidates in such a radically different form that people will be
> > confused; I would be.  We cannot change the default behavior so
> > radically, and on top of that make the display different in each
> mode.
> 
> Like there are already possible choices 'horizontal' and 'vertical'
> in the user option 'completions-format', it could also support
> a new choice like 'rich'.

`rich' is a poor choice, IMO - it doesn't mean much.

(Even Donald Trump pretends to be rich.)