region of the window is the entire screen, the physical screen may be scrolled
at the same time.
For positive \fIn\fR, the \fBscrl\fR and \fBwscrl\fR routines scroll the
window up \fIn\fR lines (line \fIi\fR+\fIn\fR becomes \fIi\fR); otherwise
region of the window is the entire screen, the physical screen may be scrolled
at the same time.
For positive \fIn\fR, the \fBscrl\fR and \fBwscrl\fR routines scroll the
window up \fIn\fR lines (line \fIi\fR+\fIn\fR becomes \fIi\fR); otherwise