Hi Dave,
> - preserves the breakability at the hyphen already in the word (\%
> inhibits this)
> - doesn't require locating and adorning every such word in the
> document
Turn hyphenation off?
$ nroff
.hy 0
.pl 4
.ll 18n
I I peculiar-looking
.br
I I \%peculiar-looking
^D
I I peculiar‐
looking
I I
peculiar‐looking
$
See CSTR 54, §13. https://troff.org/54.pdf
Words that contain hyphens (minus), em-dashes (\(em), or hyphenation
indicator characters are always subject to splitting after those
characters, whether automatic hyphenation is on or off.
Or do you want hyphenation on elsewhere?
--
Cheers, Ralph.