+++ /dev/null
-.TH XScreenSaver 1 "" "X Version 11"
-.SH NAME
-blocktube - draws a swirling, falling tunnel of reflective slabs
-.SH SYNOPSIS
-.B blocktube
-[\-display \fIhost:display.screen\fP]
-[\-visual \fIvisual\fP]
-[\-window]
-[\-root]
-[\-delay \fInumber\fP]
-[\-holdtime \fInumber\fP]
-[\-changetime \fInumber\fP]
-[\-no-texture]
-[\-no-fog]
-[\-wireframe]
-[\-fps]
-.SH DESCRIPTION
-Blocktube draws a swirling, falling tunnel of reflective slabs. They fade
-from hue to hue.
-.SH OPTIONS
-.TP 8
-.B \-visual \fIvisual\fP
-Specify which visual to use. Legal values are the name of a visual class,
-or the id number (decimal or hex) of a specific visual.
-.TP 8
-.B \-window
-Draw on a newly-created window. This is the default.
-.TP 8
-.B \-root
-Draw on the root window.
-.TP 8
-.B \-delay \fInumber\fP
-Per-frame delay, in microseconds. Default: 40000 (0.04 seconds.).
-.TP 8
-.B \-holdtime \fInumber\fP
-How long to stay on the same color. Default: 1000 frames.
-.TP 8
-.B \-changetime \fInumber\fP
-How long it takes to fade to a new color. Default: 200 frames.
-.TP 8
-.B \-no-texture
-Draw solid blocks intstead of reflective blocks.
-.TP 8
-.B \-no-fog
-Do not make blocks in the distance be darker.
-.TP 8
-.B \-wireframe
-Only draw outlines.
-.TP 8
-.B \-fps
-Display the current frame rate, CPU load, and polygon count.
-.SH ENVIRONMENT
-.PP
-.TP 8
-.B DISPLAY
-to get the default host and display number.
-.TP 8
-.B XENVIRONMENT
-to get the name of a resource file that overrides the global resources
-stored in the RESOURCE_MANAGER property.
-.SH SEE ALSO
-.BR X (1),
-.BR xscreensaver (1)
-.SH COPYRIGHT
-Copyright \(co 2003 by Lars Damerow. Permission to use, copy, modify,
-distribute, and sell this software and its documentation for any purpose is
-hereby granted without fee, provided that the above copyright notice appear
-in all copies and that both that copyright notice and this permission notice
-appear in supporting documentation. No representations are made about the
-suitability of this software for any purpose. It is provided "as is" without
-express or implied warranty.
-.SH AUTHOR
-Lars Damerow <lars@oddment.org>