bug#26951: 25.2; `calc-mode': autoload?

[Drew Adams]

> > C-h r
> >
> > i calc  ; No match
> >
> > Something is wrong here too.  Calc should at least be mentioned
> > in the Emacs manual.  There should be a cross reference there
> > to the Calc manual.
> 
> I don't see why.  We don't have such references for other packages
> documented in their separate manuals.  The Emacs manual is not the
> Hub" of Emacs-related documentation; the "dir" node is.

OK by me.

> > Searching for `calc' in the Emacs manual finds only one reference:
                                ^^^^^
> 
> You forgot "M-x info-apropos".

No I didn't.  That doesn't find `calc' in the Emacs manual.