PROPOSED: semantics for an output line length of zero

[G. Branden Robinson]

I'm proposing this on behalf on John Gardner, who raised it in a
Savannah ticket[1].

I asked him:

>> What do you expect the semantics of an output line length of zero to
>> be?

He said:

> Like this:
>
>     This is your line-length
>
>     This
>     is
>     your
>     line-
>     length
>     on
>     drugs
>
> Basically, print as many characters as you can fit up until the next
> break opportunity (which could be whitespace or a hyphenation
> opportunity, depending on hyphenation settings).

This would be an extension to the semantics of the output line length;
Heirloom Doctools troff (at least) instead clamps the output line length
to the horizontal resolution.

Does anyone have any thoughts on or objections to this?

Regards,
Branden

[1] https://savannah.gnu.org/bugs/?61089

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