Re: simplifying configuration of encoded characters/entities output

[Gavin Smith]

On Wed, Dec 29, 2021 at 01:25:15PM +0000, Gavin Smith wrote:
> At least you and Alan in that thread find the current state of affairs
> unsatisfactory.  I agree the effect of @documentencoding UTF-8 in
> enabling Unicode quote characters and a few others is not documented
> well and has confusing interactions with the likes of --enable-encoding
> and so on.
> 
> I will try to add a customization variable for this.  I don't expect it
> would be that difficult.
> 
> I think Unicode directional quotes should be turned on by
> default, simply because people would be upset if documents with
> '@documentencoding UTF-8' suddenly stopped having them.  (If Info
> had never had Unicode directional quotes I would have opposed changing to
> output them because they are unnecessary in a plain text format, but by
> now far too many people will be used to having them and would view a
> change back to 'this' or `this' as a regression.)
> 

Done in 03a78a01c8.  The name of the NO_UTF8_PUNCTUATION variable can
change if there are better ideas (technically speaking any ASCII
punctuation is also UTF-8 punctuation too).

I'm going to try to integrate it with the rest of the code a bit
better.