bug#31807: 27.0; `info-apropos' bad name or bad matching

[Drew Adams]

> > Yes, at the very least, it should suggest utf-8 and provide
> > that as the default value.  Only in a separate paragraph
> > should it say that you can instead use any of the following
> > instead...
> >
> > Make it simple to understand that utf-8 solves the problem,
> > and make it simple to choose utf-8.
> 
> Done on the master branch.
> 
> > You might even want to make it a 3-way decision: (1) Yes, convert to
> > utf-8, (2) No, don't save, (3) Convert to an alternative encoding.
> 
> Option (2) is already available: just type C-g.  And the other 2 is
> what this dialog is about.  With this change, UTF-8 is offered as the
> default, if it can encode the text, and all the other encodings are
> shown in a list from which the user can select another one.

Sounds good; thx.