gbranden pushed a commit to branch master
in repository groff.
commit 4d7e47120b591fed48dba125b34c50dca25b035f
Author: G. Branden Robinson <[email protected]>
AuthorDate: Mon Dec 1 22:00:08 2025 -0600
roff(7): Correct DWB & System V troff history.
---
man/roff.7.man | 27 +++++++++++++++++----------
1 file changed, 17 insertions(+), 10 deletions(-)
diff --git a/man/roff.7.man b/man/roff.7.man
index 36f8f6453..c86984820 100644
--- a/man/roff.7.man
+++ b/man/roff.7.man
@@ -1467,16 +1467,12 @@ standard today.
.
In 2007, \" TODO: verify
Caldera/SCO and Sun Microsystems,
-having acquired rights to AT&T Documenter's Workbench (DWB)
-.I troff
-(a descendant of Bell Labs device-independent
-.IR troff ),
-released it under a free but GPL-incompatible license.
-.
-.UR https://\:github\:.com/\:n\-t\-roff/\:DWB3.3
-This implementation
-.UE
-was made portable to modern POSIX systems.
+having acquired rights to AT&T Unix System\~V
+.IR troff ,
+which was based on Documenter's Workbench (\[lq]DWB\[rq]) 2.0,
+itself a a descendant of Bell Labs device-independent
+.IR troff ,
+released it under a free but GPL-incompatible license. \" CDDL
.
Gunnar Ritter and later Carsten Kunze then enhanced it to produce
.UR https://github.com/n\-t\-roff/heirloom\-doctools
@@ -1484,6 +1480,17 @@ Heirloom Doctools
.I troff
.UE .
.
+Sometime later, \" TODO: when?
+AT&T Software Technology made available
+a subsequent revision of Documenter's Workbench
+.IR troff ,
+.UR https://\:github\:.com/\:n\-t\-roff/\:DWB3.3
+DWB 3.3
+.UE ,
+under yet another free but GPL-incompatible license. \" EPL
+.
+Kunze again ported the software to modern POSIX systems.
+.
.
.P
.\" https://lists.gnu.org/archive/html/groff/2013-07/msg00001.html
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