standards.7: Add some more standards

Add: SUSv4 2016 edition, POSIX.1-2017, and SUSv4 2018 edition

Reported-by: Geoff Clare <gwc@opengroup.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man7/standards.7 b/man7/standards.7
index 6161d9a8ee845d4df0e67d4588a17bf709bd6373..a3ab37df136bc0ab4c11643f3c1c83a0238bf26e 100644 (file)
--- a/man7/standards.7
+++ b/man7/standards.7
@@ -278,6 +278,18 @@ Technical Corrigendum 2 of this standard was released in 2016
 Further information can be found on the Austin Group web site,
 .UR http://www.opengroup.org\:/austin/
 .UE .
+.TP
+.B SUSv4 2016 edition
+This is equivalent to POSIX.1-2008, with the addition of
+Technical Corrigenda 1 and 2 and the XCurses specification.
+.TP
+.B POSIX.1-2017
+This revision of POSIX is technically identical to POSIX.1-2008 with
+Technical Corrigenda 1 and 2 applied.
+.TP
+.B SUSv4 2018 edition
+This is equivalent to POSIX.1-2017, with the addition of
+the XCurses specification.
 .SH SEE ALSO
 .BR getconf (1),
 .BR confstr (3),