-structures, \fBcurses\fR keeps two data structures representing the terminal
-screen: a physical screen, describing what is actually on the screen, and a
-virtual screen, describing what the programmer wants to have on the screen.
-
-The routine \fBwrefresh\fR works by first calling \fBwnoutrefresh\fR, which
-copies the named window to the virtual screen, and then calling \fBdoupdate\fR,
-which compares the virtual screen to the physical screen and does the actual
-update.
+structures, \fBcurses\fP keeps two data structures representing the terminal
+screen:
+.bP
+a \fIphysical screen\fP,
+describing what is actually on the screen, and
+.bP
+a \fIvirtual screen\fP,
+describing what the programmer wants to have on the screen.
+.PP
+The routine \fBwrefresh\fP works by
+.bP
+first calling \fBwnoutrefresh\fP,
+which copies the named window to the \fIvirtual screen\fP, and
+.bP
+then calling \fBdoupdate\fP, which compares
+the \fIvirtual screen\fP to the \fIphysical screen\fP
+and does the actual update.
+.PP