RE: new help message in Emacs 25

[Drew Adams]

> Good question.
> 
> Yes, option `extended-command-suggest-shorter' controls
> this.
> 
> Why this wasn't rolled into option `suggest-key-bindings'
> (e.g. as another possible setting) I don't know.
> 
> Emacs didn't used to provide the `M-x some-abbreviation'
> information.  That was added a release or two ago.  The
> behavior was what you get if you customize option
> `extended-command-suggest-shorter' to nil.

BTW, I just submitted an enhancement request wrt this.

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=35309