[PATCH 034/177] man/curs_get_wch.3x: Add "HISTORY" section.

[G. Branden Robinson]

---
 man/curs_get_wch.3x | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/man/curs_get_wch.3x b/man/curs_get_wch.3x
index c69b139b6..4fdbfa230 100644
--- a/man/curs_get_wch.3x
+++ b/man/curs_get_wch.3x
@@ -250,6 +250,39 @@ .SH PORTABILITY
 the interaction of
 .B \%wget_wch
 with signal handlers.
+.SH HISTORY
+These functions were initially specified by X/Open Curses Issue\ 4
+(1995).
+The System\ V Interface Definition Version\ 4
+of the same year
+specified functions named
+.I \%wgetwch
+(with the usual variants)
+and
+.IR \%ungetwch "."
+.\" SVID 4, vol 3., pp. 496-499
+These were later additions to
+.RI SVr4. x ,
+not appearing in the first SVr4 (1989).
+They differ from X/Open's later
+.I \%wget_wch
+and
+.I \%unget_wch
+in that
+.I \%wgetwch
+takes no
+.I wch
+argument,
+but returns the (wide) key code as an
+.I int
+(with no provision for distinguishing a character code
+from a function key code);
+and
+.I \%ungetwch
+takes a
+.RI non- const
+.I int
+argument.
 .SH SEE ALSO
 \fB\%curs_getch\fP(3X) describes comparable functions of the
 .I \%ncurses
-- 
2.30.2

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