[groff] 35/45: [ms]: Document {[EO]}{[FH]} as 4.2BSD extensions.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 8e6e17b47bc14cb2c4f5764569c856c24b83dea9
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Jan 19 20:55:44 2022 +1100

    [ms]: Document {[EO]}{[FH]} as 4.2BSD extensions.
---
 doc/groff.texi      | 5 +++--
 doc/ms.ms           | 4 +++-
 tmac/groff_ms.7.man | 4 +++-
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/doc/groff.texi b/doc/groff.texi
index 7a20f0df..4cb6dcf3 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -4044,10 +4044,11 @@ pages.
 
 Another method is to call macros with arguments that set headers or
 footers for odd or even pages; these variables produce four
-combinations, so four macros are available.  They each take a delimiter
+combinations, so four macros are available.  Each takes a delimiter
 separating the left, center, and right header or footer texts from each
 other.  You can replace the neutral apostrophes (@code{'}) with any
-character not appearing in the header or footer text.
+character not appearing in the header or footer text.  These macros are
+Berkeley extensions.
 
 @DefmacList {OH, 
@code{'}@Var{left}@code{'}@Var{center}@code{'}@Var{right}@code{'}, ms}
 @DefmacItemx {EH, 
@code{'}@Var{left}@code{'}@Var{center}@code{'}@Var{right}@code{'}, ms}
diff --git a/doc/ms.ms b/doc/ms.ms
index dc30c5bf..0992414e 100644
--- a/doc/ms.ms
+++ b/doc/ms.ms
@@ -2549,13 +2549,15 @@ footers for odd or even pages;
 these variables produce four combinations,
 so four macros are available.
 .
-They each take a delimiter separating the left,
+Each takes a delimiter separating the left,
 center,
 and right header or footer texts from each other.
 .
 You can replace the neutral apostrophes (\[aq]) with any character not
 appearing in the header or footer text.
 .
+These macros are Berkeley extensions.
+.
 .
 .TS
 box;
diff --git a/tmac/groff_ms.7.man b/tmac/groff_ms.7.man
index 5088c0e6..1ed4a223 100644
--- a/tmac/groff_ms.7.man
+++ b/tmac/groff_ms.7.man
@@ -1686,13 +1686,15 @@ footers for odd or even pages;
 these variables produce four combinations,
 so four macros are available.
 .
-They each take a delimiter separating the left,
+Each takes a delimiter separating the left,
 center,
 and right header or footer texts from each other.
 .
 You can replace the neutral apostrophes (\[aq]) with any character not
 appearing in the header or footer text.
 .
+These macros are Berkeley extensions.
+.
 .
 .TP
 .B .OH \c