--- /etc/X11/xkb/symbols/pc/us.orig	2006-01-19 21:20:58.000000000 +0800
+++ /etc/X11/xkb/symbols/pc/us	2006-01-19 21:25:40.000000000 +0800
@@ -238,6 +238,131 @@
     key <AB10> { [	    z,	Z		]	};
 };
 
+// Single handed keymap (left)
+partial alphanumeric_keys
+xkb_symbols "dvorak-l" {
+    include "pc/us(dvorak)"
+
+    key <AE01> {	[ bracketleft,	braceleft	]	};
+    key <AE02> {	[ bracketright,	braceright	],
+		    [  dead_tilde			]	};
+    key <AE03> {	[	slash,	question	]	};
+    key <AE04> {	[	    p,	P		]	};
+    key <AE05> {	[	    f,	F		]	};
+    key <AE06> {	[	    m,	M		]	};
+    key <AE07> {	[	    l,	L		]	};
+    key <AE08> {	[	    j,	J		]	};
+    key <AE09> {	[	    4,	dollar		]	};
+    key <AE10> {	[	    3,	numbersign	]	};
+    key <AE11> {	[	    2,	at		]	};
+    key <AE12> {	[	    1,	exclam 		]	};
+
+    key <AD01> {	[   semicolon,	colon 		],
+			[ dead_ogonek, dead_doubleacute ]	};
+    key <AD02> {	[	    q,	Q		]	};
+    key <AD03> {	[	    b,	B		]	};
+    key <AD04> {	[	    y,	Y		]	};
+    key <AD05> {	[	    u,	U		]	};
+    key <AD06> {	[	    r,	R		]	};
+    key <AD07> {	[	    s,	S		]	};
+    key <AD08> {	[	    o,	O		]	};
+    key <AD09> {	[      period,	greater		],
+			[ dead_abovedot, periodcentered ]	};
+    key <AD10> {	[	    6,	asciicircum	],
+			[ dead_circumflex, dead_circumflex ]	};
+    key <AD11> {	[	    5,	percent		]	};
+    key <AD12> {	[	equal,	plus		]	};
+
+    key <AC01> {	[	minus,	underscore	]	};
+    key <AC02> {	[	    k,	K		]	};
+    key <AC03> {	[	    c,	C		]	};
+    key <AC04> {	[	    d,	D		]	};
+    key <AC05> {	[	    t,	T		]	};
+    key <AC06> {	[	    h,	H		]	};
+    key <AC07> {	[	    e,	E		]	};
+    key <AC08> {	[	    a,	A 		]	};
+    key <AC09> {	[	    z,	Z		]	};
+    key <AC10> {	[	    8,	asterisk	]	};
+    key <AC11> {	[	    7,	ampersand	]	};
+
+    key <AB01> {	[  apostrophe,	quotedbl	],
+			[  dead_acute,	dead_diaeresis	] 	};
+    key <AB02> {	[	    x,	X		]	};
+    key <AB03> {	[	    g,	G		]	};
+    key <AB04> {	[	    v,	V		]	};
+    key <AB05> {	[	    w,	W		]	};
+    key <AB06> {	[	    n,	N		]	};
+    key <AB07> {	[	    i,	I		]	};
+    key <AB08> {	[	comma,	less		],
+			[ dead_cedilla,	dead_caron	]	};
+    key <AB09> {	[	    0,	parenright	]	};
+    key <AB10> {	[	    9,	parenleft	],
+			[  dead_grave			]	};
+};
+
+// Single handed keymap (right)
+partial alphanumeric_keys
+xkb_symbols "dvorak-r" {
+    include "pc/us(dvorak)"
+
+    key <AE01> {	[	    1,	exclam 		]	};
+    key <AE02> {	[	    2,	at		]	};
+    key <AE03> {	[	    3,	numbersign	]	};
+    key <AE04> {	[	    4,	dollar		]	};
+    key <AE05> {	[	    j,	J		]	};
+    key <AE06> {	[	    l,	L		]	};
+    key <AE07> {	[	    m,	M		]	};
+    key <AE08> {	[	    f,	F		]	};
+    key <AE09> {	[	    p,	P		]	};
+    key <AE10> {	[	slash,	question	]	};
+    key <AE11> {	[ bracketleft,	braceleft	]	};
+    key <AE12> {	[ bracketright,	braceright	],
+			[  dead_tilde			]	};
+
+    key <AD01> {	[	    5,	percent		]	};
+    key <AD02> {	[	    6,	asciicircum ],
+			[ dead_circumflex, dead_circumflex ]	};
+    key <AD03> {	[	    q,	Q		]	};
+    key <AD04> {	[      period,	greater		], 
+			[ dead_abovedot, periodcentered	]	};
+    key <AD05> {	[	    o,	O		]	};
+    key <AD06> {	[	    r,	R		]	};
+    key <AD07> {	[	    s,	S		]	};
+    key <AD08> {	[	    u,	U		]	};
+    key <AD09> {	[	    y,	Y		]	};
+    key <AD10> {	[	    b,	B		]	};
+    key <AD11> {	[   semicolon,	colon 		],
+			[ dead_ogonek, dead_doubleacute ]	};
+    key <AD12> {	[	equal,	plus		]	};
+
+    key <AC01> {	[	    7,	ampersand	]	};
+    key <AC02> {	[	    8,	asterisk	]	};
+    key <AC03> {	[	    z,	Z		]	};
+    key <AC04> {	[	    a,	A 		]	};
+    key <AC05> {	[	    e,	E		]	};
+    key <AC06> {	[	    h,	H		]	};
+    key <AC07> {	[	    t,	T		]	};
+    key <AC08> {	[	    d,	D		]	};
+    key <AC09> {	[	    c,	C		]	};
+    key <AC10> {	[	    k,	K		]	};
+    key <AC11> {	[	minus,	underscore	]	};
+
+    key <AB01> {	[	    9,	parenleft	],
+			[  dead_grave			]	};
+    key <AB02> {	[	    0,	parenright	]	};
+    key <AB03> {	[	    x,	X		]	};
+    key <AB04> {	[	comma,	less		],
+			[ dead_cedilla,	dead_caron	]	};
+    key <AB05> {	[	    i,	I		]	};
+    key <AB06> {	[	    n,	N		]	};
+    key <AB07> {	[	    w,	W		]	};
+    key <AB08> {	[	    v,	V		]	};
+    key <AB09> {	[	    g,	G		]	};
+    key <AB10> {	[  apostrophe,	quotedbl	],
+			[  dead_acute,	dead_diaeresis	] 	};
+};
+
+
 // phonetic layout for Russian letters on an US keyboard
 // by Ivan Popov <pin@konvalo.org> 2005-07-17