partial hidden alphanumeric_keys
xkb_symbols "english_base" {

    // 1. row
    key <AD01>	{ [	q,		Q,		1,		1		] };
    key <AD02>	{ [	w,		W,		2,		2		] };
    key <AD03>	{ [	e,		E,		3,		3		] };
    key <AD04>	{ [	r,		R,		4,		4		] };
    key <AD05>	{ [	t,		T,		5,		5		] };
    key <AD06>	{ [	y,		Y,		6,		6		] };
    key <AD07>	{ [	u,		U,		7,		7		] };
    key <AD08>	{ [	i,		I,		8,		8		] };
    key <AD09>	{ [	o,		O,		9,		9		] };
    key <AD10>	{ [	p,		P,		0,		0		] };
    key <AB08>	{ [	comma,		semicolon,	equal,		equal		] };

    // 2. row
    key <AC01>	{ [	a,		A,		asterisk,	asterisk	] };
    key <AC02>	{ [	s,		S,		plus,		plus		] };
    key <AC03>	{ [	d,		D,		numbersign,	numbersign	] };
    key <AC04>	{ [	f,		F,		minus,		minus		] };
    key <AC05>	{ [	g,		G,		underscore,	underscore	] };
    key <AC06>	{ [	h,		H,		parenleft,	parenleft	] };
    key <AC07>	{ [	j,		J,		parenright,	parenright	] };
    key <AC08>	{ [	k,		K,		ampersand,	ampersand	] };
    key <AC09>	{ [	l,		L,		exclam,		exclam		] };
    key <AB09>	{ [	period,		colon,		question,	question	] };

    // 3. row
    key <AB01>	{ [	z,		Z,		sterling,	sterling	] };
    key <AB02>	{ [	x,		X,		dollar,		dollar		] };
    key <AB03>	{ [	c,		C,		EuroSign,	EuroSign	] };
    key <AB04>	{ [	v,		V,		slash,		slash		] };
    key <AB05>	{ [	b,		B,		backslash,	backslash	] };
    key <AB06>	{ [	n,		N,		quotedbl,	quotedbl	] };
    key <AB07>	{ [	m,		M,		apostrophe,	apostrophe	] };
    key <SPCE>	{ [	space,		space,		at,		at		] };
};