.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: curs_insstr.3x,v 1.51 2024/04/20 21:20:07 tom Exp $
-.TH curs_insstr 3X 2024-04-20 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_insstr.3x,v 1.53 2024/05/25 20:10:58 tom Exp $
+.TH curs_insstr 3X 2024-05-25 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
.ie \n(.g \{\
.ds `` \(lq
.ds '' \(rq
All functions return the integer \fBERR\fP upon failure and \fBOK\fP on success.
.PP
X/Open Curses does not specify any error conditions.
-This implementation returns an error
+This implementation returns
+.B ERR
.bP
if the \fIwin\fP parameter is null or
.bP
if the \fIstr\fP parameter is null or
.bP
-the \fBwinsch\fP(3X) function returns an error.
+the \fBwinsch\fP(3X) function returns
+.BR ERR "."
.PP
Functions prefixed with \*(``mv\*('' first perform cursor movement and
fail if the position