[groff] 12/47: [ms]: Update Unix nomenclature in docs.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 4f0b553cb36309b737a782b4b585d27bac020a8f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Jan 5 21:36:03 2022 +1100

    [ms]: Update Unix nomenclature in docs.
    
    The two idiomatic ways to refer to AT&T Unices from Murray Hill appear
    to be "[Research] Unix Version n" and "nth Edition [Research] Unix".
---
 NEWS                |  2 +-
 doc/groff.texi      | 23 +++++++++++------------
 doc/ms.ms           | 18 +++++++++---------
 man/roff.7.man      | 14 +++++++-------
 tmac/groff_ms.7.man | 17 ++++++++---------
 5 files changed, 36 insertions(+), 38 deletions(-)

diff --git a/NEWS b/NEWS
index 907b3c1e..6080745c 100644
--- a/NEWS
+++ b/NEWS
@@ -274,7 +274,7 @@ o The s (ms) macro package supports a new string, `FR`, 
which defines
   ratio of 5/6ths.
 
   You may wish to set the `FR` string to "1" to align with contemporary
-  typesetting practices.  In Version 7 Unix ms, its descendants, and
+  typesetting practices.  In Unix Version 7 ms, its descendants, and
   groff prior to this release, an `FL` register was used for the line
   length in footnotes; however, setting this register at document
   initialization time had no effect on the footnote line length in
diff --git a/doc/groff.texi b/doc/groff.texi
index 03d60327..a7dc5e63 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -2503,9 +2503,9 @@ styling options, footnotes, multi-column page layouts, 
and indexing.
 @command{refer} preprocessors for inclusion of tables, mathematical
 equations, diagrams, and standardized bibliographic citations.  This
 implementation is mostly compatible with the documented interface and
-behavior of AT&T Version@tie{}7 Unix @file{ms}.  Several extensions from
+behavior of AT&T Unix Version@tie{}7 @file{ms}.  Several extensions from
 4.2BSD (Berkeley) @c Few changes were made in 4.3, Tahoe, Reno, or 4.4.
-and Version@tie{}10 Research Unix have been recreated.
+and Tenth Edition Research Unix have been recreated.
 
 @menu
 * ms Introduction::
@@ -2765,9 +2765,9 @@ Default: 12@dmn{p}.
 @Defmpreg {HY, ms}
 Defines the hyphenation mode.  @code{HY} safely sets the value of the
 low-level @code{hy} register.  Setting @code{HY} to@tie{}0 is equivalent
-to using the @code{nh} request.  This is a Version@tie{}10 Research Unix
+to using the @code{nh} request.  This is a Tenth Edition Research Unix
 extension.
-@c possibly V9, but definitely not Berkeley
+@c possibly 9th, but definitely not Berkeley
 
 Effective: next paragraph.
 
@@ -3426,15 +3426,15 @@ to the @code{B}@tie{}macro otherwise.
 
 @Defmac {BI, [@Var{txt} [@Var{post} [@Var{pre}]]], ms}
 Sets its first argument in bold italic type.  It operates similarly to
-the @code{B}@tie{}macro otherwise.  This is a Version@tie{}10 Research
+the @code{B}@tie{}macro otherwise.  This is a Tenth Edition Research
 Unix extension.
 @endDefmac
 
 @Defmac {CW, [@Var{txt} [@Var{post} [@Var{pre}]]], ms}
 Sets its first argument in a @code{constant-width} (monospaced)
 roman typeface.  It operates similarly to the @code{B}@tie{}macro
-otherwise.  This is a Version@tie{}10 Research Unix extension.
-@c possibly V9, but definitely not Berkeley
+otherwise.  This is a Tenth Edition Research Unix extension.
+@c possibly 9th, but definitely not Berkeley
 @endDefmac
 
 @Defmac {BX, [@Var{txt}], ms}
@@ -3979,7 +3979,7 @@ The default footnote line length is 11/12ths of the 
normal line length
 for compatibility with the expectations of historical @file{ms}
 documents; you may wish to set the @code{FR} string to @samp{1} to align
 with contemporary typesetting practices.  In the
-past,@footnote{Version@tie{}7 Unix @file{ms}, its descendants, and GNU
+past,@footnote{Unix Version@tie{}7 @file{ms}, its descendants, and GNU
 @file{ms} prior to @code{groff} version 1.23.0} an @code{FL} register
 was used for the line length in footnotes; however, setting this
 register at document initialization time had no effect on the footnote
@@ -4410,7 +4410,7 @@ The @code{groff} @file{ms} macros are a complete 
re-implementation,
 using no original @acronym{AT&T} code.  Since they take advantage of the
 extended features in @code{groff}, they cannot be used with
 @acronym{AT&T} @code{troff}.  @code{groff} @file{ms} supports several
-features described above as Berkeley and Version 10 Research Unix
+features described above as Berkeley and Tenth Edition Research Unix
 extensions, and adds several of its own.
 
 @itemize @bullet
@@ -4545,8 +4545,7 @@ Cover sheet information
 Murray Hill Bell Laboratories postal address
 @end table
 
-Version@tie{}10
-@c possibly V9
+Tenth Edition @c possibly 9th
 Research Unix supported a pair of @code{P1} and @code{P2} macros for
 setting code examples; @code{groff} @file{ms} does not.
 
@@ -4565,7 +4564,7 @@ for details.  This is a Berkeley extension.
 
 @Defmac {CW, , ms}
 Set text in a @code{constant-width} (monospaced) typeface.  This is a
-Version@tie{}10 Research Unix extension.
+Tenth Edition Research Unix extension.
 @endDefmac
 
 @Defmac {IX, , ms}
diff --git a/doc/ms.ms b/doc/ms.ms
index c5145554..90835bd6 100644
--- a/doc/ms.ms
+++ b/doc/ms.ms
@@ -69,12 +69,12 @@ diagrams,
 and standardized bibliographic citations.
 .
 This implementation is mostly compatible with the documented interface
-and behavior of AT&T Version\~7 Unix
+and behavior of AT&T Unix Version\~7
 .I ms .
 .
 Several extensions from 4.2BSD (Berkeley)
 .\" Few changes were made in 4.3, Tahoe, Reno, or 4.4.
-and Version\~10 Research Unix have been recreated.
+and Tenth Edition Research Unix have been recreated.
 .AE
 .
 .
@@ -1296,8 +1296,8 @@ It operates similarly to the
 .CW .B
 macro otherwise.
 .
-This is a Version\~10 Research Unix extension.
-.\" possibly V9, but definitely not Berkeley
+This is a Tenth Edition Research Unix extension.
+.\" possibly 9th, but definitely not Berkeley
 T}
 _
 \&.CW [txt [post [pre]]]       T{
@@ -1309,8 +1309,8 @@ It operates similarly to the
 .CW .B
 macro otherwise.
 .
-This is a Version\~10 Research Unix extension.
-.\" possibly V9, but definitely not Berkeley
+This is a Tenth Edition Research Unix extension.
+.\" possibly 9th, but definitely not Berkeley
 T}
 _
 \&.BX [txt]    T{
@@ -2425,7 +2425,8 @@ to align with contemporary typesetting practices.
 .
 In the past,\**
 .FS
-Version\~7 Unix
+Unix
+Version\~7
 .I ms ,
 its descendants,
 and GNU
@@ -3270,8 +3271,7 @@ A cover sheet macro
 .
 .
 .LP
-Version\~10
-.\" possibly V9
+Tenth Edition \" possibly 9th
 Research Unix supported a pair of
 .CW P1
 and
diff --git a/man/roff.7.man b/man/roff.7.man
index fd0603ed..b5f12750 100644
--- a/man/roff.7.man
+++ b/man/roff.7.man
@@ -280,8 +280,8 @@ government.
 This arrangement enabled the group to acquire the aforementioned PDP-11;
 .I roff
 promptly proved equal to the task of typesetting the first edition of
-the manual for what would later become known as \[lq]v1 Unix\[rq],
-dated November 1971.
+the manual for what would later become known as \[lq]Unix
+Version\~1\[rq], dated November 1971.
 .
 .
 .P
@@ -312,7 +312,7 @@ Joe Ossanna's
 literally a \[lq]new roff\[rq],
 was the outlet for this pressure.
 .
-By the time of Version 3 Unix
+By the time of Unix Version\~3
 (February 1973)\[em]and still in PDP-11 assembly language\[em]it sported
 a swath of features now considered essential to
 .I roff
@@ -433,12 +433,12 @@ the
 .MR troff 1 \" AT&T
 man page in Fourth Edition Unix
 (November 1973)
-does not feature a request list, \" nor does V6 Unix troff(1) (1975)
+does not feature a request list, \" nor does Unix V6 troff(1) (1975)
 unlike
 .MR nroff 1 . \" AT&T
 .
 Apart from typesetter-driven features,
-Version 4 Unix
+Unix Version\~4
 .IR roff s
 added string definitions
 .RB ( .ds );
@@ -495,7 +495,7 @@ systems have done so in its shadow.
 .P
 A small and simple set of
 .I roff
-macros was first used for the manual pages of Version 4 Unix and
+macros was first used for the manual pages of Unix Version\~4 and
 persisted for two further releases,
 but the first macro package to be formally described and installed was
 .I ms
@@ -512,7 +512,7 @@ updating it as the package accrued features.
 .
 .
 .P
-For Version 7 Unix
+For Unix Version\~7
 (January 1979),
 McIlroy designed,
 implemented,
diff --git a/tmac/groff_ms.7.man b/tmac/groff_ms.7.man
index 4f42e602..19b20c83 100644
--- a/tmac/groff_ms.7.man
+++ b/tmac/groff_ms.7.man
@@ -90,12 +90,12 @@ and standardized bibliographic citations.
 .
 .LP
 This implementation is mostly compatible with the documented interface
-and behavior of AT&T Version\~7 Unix
+and behavior of AT&T Unix Version\~7
 .IR ms .
 .
 Several extensions from 4.2BSD (Berkeley)
 .\" Few changes were made in 4.3, Reno, Tahoe, or 4.4.
-and Version\~10 Research Unix have been recreated.
+and Tenth Edition Research Unix have been recreated.
 .
 .
 .\" ====================================================================
@@ -977,8 +977,8 @@ It operates similarly to the
 .B B
 macro otherwise.
 .
-This is a Version\~10 Research Unix extension.
-.\" Possibly V9, but definitely not Berkeley.
+This is a Tenth Edition Research Unix extension.
+.\" possibly 9th, but definitely not Berkeley
 .
 .
 .TP
@@ -991,8 +991,8 @@ It operates similarly to the
 .B B
 macro otherwise.
 .
-This is a Version\~10 Research Unix extension.
-.\" Possibly V9, but definitely not Berkeley.
+This is a Tenth Edition Research Unix extension.
+.\" possibly 9th, but definitely not Berkeley
 .
 .
 .TP
@@ -2137,7 +2137,7 @@ they cannot be used with AT&T
 .IR troff .
 .
 .I groff ms
-supports several features described above as Berkeley and Version 10
+supports several features described above as Berkeley and Tenth Edition
 Research Unix extensions,
 and adds several of its own.
 .
@@ -2174,8 +2174,7 @@ rather than silently to ignore them.
 .
 .
 .IP \[bu]
-Version\~10
-.\" possibly V9
+Tenth Edition \" possibly 9th
 Research Unix supported a pair of
 .B P1
 and