[Copyright status: This file is in the public domain.]

Command-line options:

-display <display>
	Specifies X display to connect to.

-geometry <geom>
	Specifies geometry of window.

-visual <arg>
	Specifiesl visual to use.  <arg> can be a visual ID number
	(such as can be found in the output from xdpyinfo) or a visual
	class name, such as PseudoColor, in which latter case blockade
	will pick whichever it likes best among the available visuals
	of that class.

-web <url-prefix>
	Specifies webserver mode.  In this mode, serves webpages where
	the game state is encoded into the URL; the string given will
	be prefixed to all served URLs and stripped from incoming URLs.
	It normally will be something like http://10.20.30.40:5678 when
	blockade is run as a server backing port 5678 on 10.20.30.40.

-background <color>
-bg <color>
	Specifies background color.

-foreground <color>
-fg <color>
	Specifies foreground color.

-bordercolor <color>
-bd <color>
	Specifies border color.

-borderwidth <width>
-bw <width>
	Specifies border width in pixels.

-name <name>
	Specifies name of window.

-iconname <name>
	Specifies icon name of window.

-font <fontname>
-fn <fontname>
	Specifies font to use.

-level <number>
-level <name>
	Specifies level to start at.

-file <filename>
	Specifies file of levels to use.  The -file is optional unless
	the <filename> begins with a - character.

-bwmode
	Forces blockade to run in black-and-white mode, regardless of
	whether a color visual is available.

-sync
	Causes blockade to do synchronous X calls.

-nodeflev
-nostdlev
	Causes blockade to omit the built-in levels.  When you use this
	you must supply at least one level file.

-new
	Causes blockade to create any nonexistent level files you name.
	Normally nonexistent level files produce complaints and are
	otherwise ignored.

Keyboard commands:

	Any menu button can be invoked by holding down Control and
	typing the first character of the button label.

	There are three other control characters that do useful things,
	as listed in help screen #5.

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