.\"***************************************************************************
-.\" Copyright (c) 1998-2017,2018 Free Software Foundation, Inc. *
+.\" Copyright (c) 1998-2018,2020 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: curs_slk.3x,v 1.34 2018/07/28 22:20:54 tom Exp $
+.\" $Id: curs_slk.3x,v 1.35 2020/01/18 22:49:38 tom Exp $
.TH curs_slk 3X ""
.de bP
.ie n .IP \(bu 4
if the format parameter is outside the range 0..2, or if
memory for the labels cannot be allocated.
.RE
+.SH HISTORY
+SVr3 introduced these functions:
+ slk_clear
+ slk_init
+ slk_label
+ slk_noutrefresh
+ slk_refresh
+ slk_restore
+ slk_set
+ slk_touch
+.PP
+SVr4 added these functions:
+ slk_attroff
+ slk_attron
+ slk_attrset
+ slk_start
+.PP
+X/Open Curses added these:
+ slk_attr_off
+ slk_attr_on
+ slk_attr_set
+ slk_color
+ slk_wset
.SH EXTENSIONS
.PP
X/Open Curses documents the \fIopts\fP argument as reserved for future use,