deroff(1) on OpenBSD
The text 2d4942def673, as OpenBSD 8.0-current (2026-11-01), OpenBSD 8.0, OpenBSD 7.9, OpenBSD 7.8, OpenBSD 7.7, OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3 shipped it. The page shows this text now.
remove nroff/troff, eqn, pic and tbl constructs
Flags it lists
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-i -
-k -
-m -
-p -
-w