<s>
Argo	B-Protocol
was	O
part	O
of	O
a	O
project	O
to	O
make	O
the	O
Internet	O
accessible	O
to	O
scholars	O
in	O
the	O
Humanities	O
at	O
the	O
University	O
of	O
Groningen	O
.	O
</s>
<s>
The	O
Argo	B-Protocol
web	B-Application
browser	I-Application
was	O
created	O
in	O
August	O
1994	O
by	O
Bert	O
Bos	O
.	O
</s>
<s>
The	O
Argo	B-Protocol
browser	B-Application
was	O
able	O
to	O
handle	O
its	O
own	O
style	B-Language
sheet	I-Language
language	I-Language
called	O
Stream-based	O
Style	O
Sheet	O
Proposal	O
(	O
SSP	O
)	O
rendered	O
mostly	O
by	O
Xlib/Xrm	O
.	O
</s>
<s>
SSP	O
was	O
general	O
enough	O
to	O
be	O
able	O
to	O
be	O
applied	O
to	O
other	O
markup	O
languages	O
in	O
addition	O
to	O
HTML	B-Language
.	O
</s>
<s>
In	O
the	O
development	O
process	O
of	O
Cascading	B-Language
Style	I-Language
Sheets	I-Language
(	O
CSS	B-Language
)	O
Bos	O
was	O
one	O
of	O
the	O
first	O
people	O
who	O
decided	O
to	O
join	O
Håkon	O
Wium	O
Lie	O
.	O
</s>
<s>
Although	O
this	O
early	O
adoption	O
SSP	O
had	O
other	O
advanced	O
features	O
that	O
could	O
not	O
be	O
integrated	O
in	O
CSS1	B-Language
and	O
had	O
to	O
wait	O
for	O
CSS2	B-Language
.	O
</s>
<s>
Argo	B-Protocol
based	O
on	O
the	O
W3A	O
,	O
an	O
API	B-General_Concept
for	O
WWW	B-Application
browser	I-Application
applets	B-Language
.	O
</s>
<s>
The	O
browser	B-Application
featured	O
plug-in	B-Application
modules	O
,	O
or	O
"	O
applets	B-Language
"	O
,	O
which	O
allowed	O
for	O
the	O
addition	O
of	O
new	O
functionality	O
without	O
recompilation	O
.	O
</s>
<s>
Examples	O
of	O
such	O
functionality	O
provided	O
by	O
the	O
applets	B-Language
includes	O
adding	O
support	O
for	O
the	O
following	O
:	O
</s>
<s>
Email	B-Protocol
clients	I-Protocol
(	O
e.g.	O
</s>
<s>
The	O
browser	B-Application
's	O
kernel	B-Operating_System
depended	O
on	O
the	O
modules	O
to	O
provide	O
such	O
functionality	O
.	O
</s>
<s>
The	O
browser	B-Application
was	O
run	O
on	O
HP-UX	B-Application
and	O
used	O
dynamic	O
loading	O
to	O
support	O
its	O
applets	B-Language
.	O
</s>
