ncurses 6.4 - patch 20231223

[ncurses.git] / man / curs_extend.3x

diff --git a/man/curs_extend.3x b/man/curs_extend.3x
index 54cb1e7f58f03ba22316d2ed68c519bd3454c529..05ed5dfb569d586d7396a8564b75453419c63e3b 100644 (file)
--- a/man/curs_extend.3x
+++ b/man/curs_extend.3x
@@ -29,8 +29,8 @@
 .\"
 .\" Author: Thomas E. Dickey 1999-on
 .\"
-.\" $Id: curs_extend.3x,v 1.43 2023/12/16 20:32:22 tom Exp $
-.TH curs_extend 3X 2023-12-16 "ncurses 6.4" "Library calls"
+.\" $Id: curs_extend.3x,v 1.44 2023/12/23 16:36:18 tom Exp $
+.TH curs_extend 3X 2023-12-23 "ncurses 6.4" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -80,12 +80,19 @@ this in your application.
 .PP
 \fBuse_extended_names\fP returns the previous state, allowing you to
 save this and restore it.
+.SH EXTENSIONS
+These functions are \fB\%ncurses\fP(3X) extensions,
+and are not found in SVr4
+.IR curses ,
+4.4BSD
+.IR curses ,
+or any other previous curses implementation.
 .SH PORTABILITY
-These routines are specific to \fI\%ncurses\fP.
-They were not supported on
-Version 7, BSD or System V implementations.
-It is recommended that
-any code depending on them be conditioned using NCURSES_VERSION.
+Applications employing
+.I \%ncurses
+extensions should condition their use on the visibility of the
+.B \%NCURSES_VERSION
+preprocessor macro.
 .SH AUTHORS
 Thomas Dickey.
 .SH SEE ALSO