'\" t
.\"***************************************************************************
-.\" Copyright (c) 1998-2010,2017 Free Software Foundation, Inc. *
+.\" Copyright (c) 1998-2018,2019 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: form_field_buffer.3x,v 1.20 2017/11/18 23:56:00 tom Exp $
+.\" $Id: form_field_buffer.3x,v 1.23 2019/01/20 20:19:03 tom Exp $
.TH form_field_buffer 3X ""
.de bP
.ie n .IP \(bu 4
.RE
.PP
The function \fBset_field_status\fR sets the associated status flag of
-\fIfield\fR; \fBfield_status\fR gets the current value. The status flag
+\fIfield\fR; \fBfield_status\fR gets the current value.
+The status flag
is set to a nonzero value whenever the field changes.
.PP
The function \fBset_max_field\fR sets the maximum size for a dynamic field.
The routine succeeded.
.TP 5
.B E_SYSTEM_ERROR
-System error occurred (see \fBerrno\fR).
+System error occurred (see \fBerrno\fR(3)).
.TP 5
.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
same buffer.
\fB<curses.h>\fR.
.SH PORTABILITY
-These routines emulate the System V forms library. They were not supported on
+These routines emulate the System V forms library.
+They were not supported on
Version 7 or BSD versions.
+.PP
+The \fBset_max_field\fP function checks for an ncurses extension
+\fBO_INPUT_FIELD\fP which allows a dynamic field to shrink if the new
+limit is smaller than the current field size.
.SH AUTHORS
-Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
-S. Raymond.
+Juergen Pfeifer.
+Manual pages and adaptation for new curses by Eric S. Raymond.