.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: form.3x,v 1.29 2017/02/18 16:46:53 tom Exp $
+.\" $Id: form.3x,v 1.30 2017/11/25 20:28:02 tom Exp $
.TH form 3X ""
.ie \n(.g .ds `` \(lq
.el .ds `` ``
.ie \n(.g .ds '' \(rq
.el .ds '' ''
+.de bP
+.ie n .IP \(bu 4
+.el .IP \(bu 2
+..
.SH NAME
\fBform\fR \- curses extension for programming forms
.SH SYNOPSIS
These routines emulate the System V forms library. They were not supported on
Version 7 or BSD versions.
.PP
-A few functions are extensions added for ncurses, e.g.,
+The menu facility was documented in SVr4.2 in
+\fICharacter User Interface Programming (UNIX SVR4.2)\fP.
+.PP
+It is not part of X/Open Curses.
+.PP
+Aside from ncurses, there are few implementations:
+.bP
+systems based on SVr4 source code, e.g., Solaris.
+.bP
+NetBSD curses.
+.PP
+A few functions in this implementation are extensions added for ncurses,
+but not provided by other implementations, e.g.,
\fBform_driver_w\fP,
\fBunfocus_current_field\fP.
.SH AUTHORS