On Fri, May 2, 2025 at 8:07 AM Martin Lemaire <cont...@martinlemaire.fr> wrote:
> Off-topic to Alejandro's initial question but related to the subject of
> justifying text set in monospace, do we owe this typographic gesture to
> the early *roff formaters or was it already a thing in previous
> publication tool, either software or hardware ?

Branden addressed the conceptual basis for such adjustment.  The
origin of the specific algorithm used for monospace fonts was revealed
by its inventor in a post a few years ago:

http://lists.gnu.org/r/groff/2018-06/msg00044.html

Other than starting with a different adjustment "direction," this
algorithm remains unchanged in groff today.

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