-The \fBscr_set\fR routine is a combination of \fBscr_restore\fR and
-\fBscr_init\fR. It tells the program that the information in \fIfilename\fR is
+The \fBscr_init\fP routine reads in the contents of \fIfilename\fP and uses
+them to initialize the \fBcurses\fP data structures about what the terminal
+currently has on its screen.
+If the data is determined to be valid,
+\fBcurses\fP bases its next update of the screen on this information rather
+than clearing the screen and starting from scratch.
+\fBscr_init\fP is used
+after \fBinitscr\fP(3X) or a \fBsystem\fP(3) call to share
+the screen with another process which has done a \fBscr_dump\fP after its
+\fBendwin\fP(3X) call.
+The data is declared invalid
+.bP
+if the terminfo capabilities \fBrmcup\fP and \fBnrrmc\fP exist, also
+.bP
+if the terminal has been written to since the preceding \fBscr_dump\fP call.
+.SS scr_set
+.PP
+The \fBscr_set\fP routine is a combination of \fBscr_restore\fP and
+\fBscr_init\fP. It tells the program that the information in \fIfilename\fP is