-[\-display \fIhost:display.screen\fP] [\-background \fIcolor\fP]
-[\-grid-size \fIpixels\fP] [\-ibw \fIpixels\fP] [\-increment \fIpixels\fP]
-[\-delay \fIusecs\fP] [\-delay2 \fIusecs\fP]
-[\-window] [\-root] [\-install] [\-visual \fIvisual\fP]
+[\-display \fIhost:display.screen\fP]
+[\-background \fIcolor\fP]
+[\-grid-size \fIpixels\fP]
+[\-ibw \fIpixels\fP]
+[\-increment \fIpixels\fP]
+[\-delay \fIusecs\fP]
+[\-delay2 \fIusecs\fP]
+[\-duration \fIsecs\fP]
+[\-window]
+[\-root]
+[\-install]
+[\-visual \fIvisual\fP]
+[\-fps]