.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: curs_touch.3x,v 1.44 2024/03/16 15:49:58 tom Exp $
-.TH curs_touch 3X 2024-03-16 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_touch.3x,v 1.47 2024/04/20 21:20:07 tom Exp $
+.TH curs_touch 3X 2024-04-20 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
.SH NAME
\fB\%touchwin\fP,
\fB\%touchline\fP,
\fBis_linetouched\fP
returns an error
if the window pointer is null, or
-if the line number is outside the window.
+if the line number is outside the window boundaries.
.IP
The constant \fBERR\fP is distinct from \fBTRUE\fP and \fBFALSE\fP,
which are the normal return values of this function.
\fBwtouchln\fP
returns an error
if the window pointer is null, or
-if the line number is outside the window.
+if the line number is outside the window boundaries.
.RE
.SH NOTES
All of these routines except \fB\%wtouchln\fP may be macros.
that it is not \fBNULL\fP;
otherwise this implementation behaves the same as SVr4.
.PP
-The XSI Curses standard, Issue 4 describes these functions,
+X/Open Curses, Issue 4 describes these functions,
but defines no error conditions.
.SH SEE ALSO
\fB\%curses\fP(3X),