> On Jun 21, 2020, at 7:35, Arnold Robbins <arnold@skeeve.com> wrote:
> 
> Hello All.
> 
> I have reconstituted Jon Bentley's DFORMAT preprocessor (troff and awk
> source) and made it available on GitHub.  See
> https://github.com/arnoldrobbins/dformat.

Hom much does it differ from the one in "Plan 9 from User Space", https://github.com/9fans/plan9port <https://github.com/9fans/plan9port>.
BTW, there it is called "bwk's dformat"[1].

	jaap

[1] https://github.com/9fans/plan9port/tree/master/src/cmd/dformat <https://github.com/9fans/plan9port/tree/master/src/cmd/dformat>