<s>
The	O
Knight	B-Device
keyboard	I-Device
,	O
designed	O
by	O
Tom	O
Knight	O
,	O
was	O
used	O
with	O
the	O
MIT-AI	O
lab	O
's	O
bitmapped	O
display	O
system	O
.	O
</s>
<s>
It	O
was	O
a	O
precursor	O
to	O
the	O
space-cadet	B-Device
keyboard	I-Device
and	O
the	O
later	O
Symbolics	B-Device
keyboard	I-Device
.	O
</s>
<s>
The	O
Knight	B-Device
keyboard	I-Device
is	O
notable	O
for	O
its	O
influence	O
on	O
Emacs	B-Application
keybindings	O
,	O
particularly	O
for	O
helping	O
popularize	O
the	O
meta	B-Device
key	I-Device
,	O
which	O
originated	O
with	O
the	O
Stanford	O
keyboard	O
.	O
</s>
<s>
The	O
layout	O
is	O
also	O
noteworthy	O
:	O
the	O
meta	B-Device
key	I-Device
was	O
outside	O
the	O
control	B-Device
key	I-Device
,	O
which	O
is	O
opposite	O
from	O
the	O
layout	O
used	O
on	O
most	O
modern	O
keyboards	O
,	O
dating	O
to	O
the	O
Model	B-Device
M	I-Device
IBM	B-Device
PC	I-Device
keyboard	I-Device
,	O
which	O
uses	O
the	O
Alt	B-Device
key	I-Device
instead	O
,	O
and	O
places	O
it	O
inward	O
to	O
the	O
control	B-Device
key	I-Device
.	O
</s>
