<s>
EMML	B-Language
(	O
Enterprise	O
Mobility	O
Mark-up	O
Language	O
)	O
is	O
an	O
extension	O
of	O
the	O
HTML	B-Language
language	I-Language
.	O
</s>
<s>
EMML	B-Language
was	O
first	O
devised	O
by	O
James	O
Morley-Smith	O
in	O
2001	O
,	O
when	O
working	O
as	O
a	O
Software	O
Developer	O
at	O
Symbol	O
Technologies	O
(	O
now	O
a	O
wholly	O
owned	O
subsidiary	O
of	O
Motorola	O
,	O
Inc	O
)	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
first	O
version	O
of	O
Symbol	O
’s	O
PocketBrowser	O
,	O
EMML	B-Language
was	O
originally	O
a	O
mechanism	O
for	O
providing	O
access	O
to	O
the	O
barcode	O
scanner	O
built	O
into	O
many	O
of	O
Symbol	O
's	O
enterprise	O
mobility	O
devices	O
.	O
</s>
<s>
It	O
was	O
extended	O
to	O
include	O
features	O
such	O
as	O
WLAN	B-Architecture
signal	O
indicators	O
,	O
power	O
statistics	O
and	O
access	O
to	O
the	O
communications	O
port	O
to	O
allow	O
for	O
input	O
from	O
custom	O
devices	O
such	O
as	O
magnetic	O
card	O
readers	O
and	O
temperature	O
probes	O
.	O
</s>
<s>
In	O
2009	O
Motorola	O
created	O
an	O
updated	O
version	O
of	O
EMML	B-Language
in	O
order	O
to	O
co-ordinate	O
it	O
with	O
other	O
Internet	O
standards	O
,	O
most	O
notably	O
CSS	B-Language
.	O
</s>
<s>
In	O
doing	O
so	O
,	O
the	O
number	O
of	O
bytes	B-Application
required	O
to	O
be	O
downloaded	O
was	O
reduced	O
and	O
the	O
readability	O
of	O
the	O
language	O
was	O
vastly	O
improved	O
.	O
</s>
<s>
This	O
meant	O
that	O
each	O
module	O
might	O
have	O
several	O
META	O
tags	O
,	O
each	O
taking	O
up	O
several	O
bytes	B-Application
worth	O
of	O
data	O
.	O
</s>
<s>
In	O
EMML	B-Language
1.1	O
,	O
parameters	O
can	O
be	O
supplied	O
in	O
a	O
semi-colon	O
delimited	O
list	O
,	O
much	O
like	O
styles	O
in	O
a	O
CSS	B-Language
style	I-Language
block	O
in	O
HTML	B-Language
.	O
</s>
<s>
EMML	B-Language
utilizes	O
the	O
Meta	O
tag	O
from	O
the	O
HTML	B-Language
language	I-Language
to	O
set	O
properties	O
and	O
specify	O
callback	O
functions	O
by	O
which	O
the	O
browser	O
returns	O
information	O
.	O
</s>
<s>
In	O
EMML	B-Language
,	O
the	O
http-equiv	O
parameter	O
is	O
primarily	O
used	O
to	O
identify	O
the	O
module	O
of	O
functionality	O
.	O
</s>
<s>
There	O
are	O
three	O
main	O
actions	O
in	O
the	O
EMML	B-Language
language	O
:	O
</s>
<s>
In	O
EMML	B-Language
,	O
setting	O
properties	O
is	O
a	O
case	O
of	O
providing	O
the	O
module	O
and	O
property	O
to	O
set	O
,	O
followed	O
by	O
the	O
value	O
.	O
</s>
<s>
The	O
following	O
is	O
an	O
example	O
of	O
setting	O
the	O
x-position	O
in	O
pixels	O
of	O
the	O
on	O
screen	O
battery	O
indicator	O
in	O
EMML	B-Language
1.0	O
:	O
</s>
<s>
This	O
is	O
an	O
example	O
of	O
several	O
parameters	O
being	O
applied	O
to	O
the	O
battery	O
module	O
using	O
EMML	B-Language
1.0	O
:	O
</s>
<s>
The	O
example	O
shown	O
in	O
Example	O
2	O
.	O
in	O
In	O
EMML	B-Language
1.0	O
can	O
be	O
written	O
this	O
way	O
in	O
EMML	B-Language
1.1	O
:	O
</s>
<s>
It	O
is	O
immediately	O
apparent	O
in	O
the	O
example	O
from	O
EMML	B-Language
1.1	O
that	O
there	O
is	O
less	O
redundant	O
information	O
.	O
</s>
<s>
It	O
may	O
also	O
be	O
observed	O
that	O
the	O
x	O
and	O
y	O
parameters	O
from	O
EMML	B-Language
1.0	O
have	O
been	O
substituted	O
for	O
the	O
left	O
and	O
top	O
parameters	O
familiar	O
to	O
CSS	B-Language
.	O
</s>
<s>
This	O
is	O
also	O
true	O
for	O
the	O
w	O
and	O
h	O
EMML	B-Language
1.0	O
parameters	O
that	O
have	O
become	O
width	O
and	O
height	O
in	O
EMML	B-Language
1.1	O
.	O
</s>
<s>
The	O
way	O
in	O
which	O
color	O
is	O
described	O
was	O
also	O
changed	O
to	O
the	O
#rrggbb	O
format	O
of	O
HTML	B-Language
and	O
CSS	B-Language
.	O
</s>
<s>
The	O
show	O
method	O
from	O
EMML	B-Language
1.0	O
was	O
dropped	O
in	O
favor	O
of	O
the	O
visibility	O
parameter	O
with	O
the	O
visible	O
value	O
,	O
similarly	O
hide	O
is	O
now	O
the	O
hidden	O
value	O
of	O
the	O
visibility	O
parameter	O
.	O
</s>
<s>
Retrieving	O
information	O
is	O
carried	O
out	O
by	O
specifying	O
a	O
callback	O
function	O
to	O
which	O
the	O
EMML	B-Language
browser	O
returns	O
information	O
.	O
</s>
<s>
The	O
callback	O
function	O
could	O
be	O
a	O
URL	O
,	O
where	O
the	O
data	O
is	O
passed	O
as	O
name	B-Application
–	I-Application
value	I-Application
pairs	I-Application
in	O
the	O
query	O
string	O
,	O
or	O
a	O
JavaScript	B-Language
function	O
or	O
variable	O
.	O
</s>
<s>
In	O
EMML	B-Language
1.0	O
,	O
you	O
specify	O
a	O
place	O
holder	O
for	O
each	O
value	O
you	O
are	O
interested	O
in	O
using	O
a	O
%s	O
.	O
</s>
<s>
In	O
EMML	B-Language
1.1	O
events	O
have	O
a	O
parameter	O
value	O
for	O
each	O
event	O
and	O
each	O
module	O
can	O
therefore	O
support	O
more	O
than	O
one	O
event	O
.	O
</s>
<s>
In	O
EMML	B-Language
1.1	O
,	O
the	O
s	O
can	O
be	O
substituted	O
for	O
a	O
numerical	O
value	O
representing	O
the	O
position	O
of	O
the	O
value	O
of	O
interest	O
.	O
</s>
<s>
Also	O
added	O
in	O
EMML	B-Language
1.1	O
were	O
EMML	B-Language
profiles	O
.	O
</s>
<s>
EMML	B-Language
profiles	O
are	O
similar	O
to	O
CSS	B-Language
style	I-Language
sheets	I-Language
.	O
</s>
<s>
An	O
EMML	B-Language
profile	O
allows	O
for	O
the	O
creation	O
of	O
EMML	B-Language
classes	O
–	O
a	O
common	O
set	O
of	O
EMML	B-Language
Meta	O
tags	O
which	O
can	O
be	O
applied	O
to	O
a	O
page	O
or	O
element	O
.	O
</s>
<s>
Below	O
is	O
an	O
example	O
of	O
an	O
EMML	B-Language
profile	O
page	O
:	O
</s>
<s>
EMML	B-Language
Profiles	O
are	O
stored	O
in	O
.emmp	O
files	O
;	O
these	O
can	O
be	O
linked	O
to	O
the	O
HTML	B-Language
document	O
using	O
the	O
import	O
method	O
of	O
the	O
EMMLProfile	O
module	O
.	O
</s>
<s>
The	O
same	O
is	O
true	O
for	O
EMML	B-Language
Profiles	O
which	O
are	O
applied	O
from	O
top	O
downwards	O
.	O
</s>
