<s>
surf	B-Protocol
is	O
a	O
minimalist	B-Device
web	B-Application
browser	I-Application
developed	O
by	O
suckless.org	B-Application
.	O
</s>
<s>
The	O
user	B-Application
interface	I-Application
of	O
this	O
browser	B-Application
does	O
not	O
include	O
any	O
graphical	O
control	O
elements	O
;	O
it	O
is	O
controlled	O
via	O
keyboard	O
shortcuts	O
or	O
external	O
tools	O
,	O
which	O
may	O
manipulate	O
its	O
behavior	O
by	O
setting	O
its	O
window	O
's	O
properties	O
.	O
</s>
<s>
surf	B-Protocol
is	O
intentionally	O
limited	O
in	O
its	O
set	O
of	O
features	O
.	O
</s>
<s>
The	O
only	O
graphical	O
elements	O
the	O
browser	B-Application
has	O
are	O
the	O
page	O
view	O
itself	O
and	O
,	O
optionally	O
,	O
the	O
scrollbars	O
.	O
</s>
<s>
The	O
main	O
functionality	O
of	O
the	O
browser	B-Application
is	O
implemented	O
in	O
third-party	O
WebKitGTK	O
library	O
,	O
and	O
the	O
rest	O
of	O
the	O
program	O
only	O
provides	O
a	O
window	O
and	O
a	O
set	O
of	O
XProperties	O
to	O
control	O
its	O
behavior	O
.	O
</s>
<s>
While	O
surf	B-Protocol
supports	O
cookies	B-Application
,	O
it	O
does	O
not	O
include	O
some	O
other	O
common	O
features	O
of	O
web	B-Application
browsers	I-Application
such	O
as	O
tabbed	O
browsing	O
,	O
bookmarks	O
or	O
ad	O
filtering	O
,	O
though	O
all	O
can	O
be	O
implemented	O
with	O
patches	O
,	O
scripts	O
or	O
external	O
programs	O
,	O
with	O
instructions	O
available	O
in	O
surf	B-Protocol
's	O
homepage	O
.	O
</s>
<s>
Instead	O
of	O
an	O
address	O
bar	O
,	O
the	O
_SURF_URI	O
XProperty	O
has	O
to	O
be	O
set	O
to	O
user-requested	O
uniform	O
resource	O
locator	O
(	O
URL	O
)	O
for	O
the	O
browser	B-Application
to	O
follow	O
it	O
.	O
</s>
<s>
By	O
default	O
,	O
surf	B-Protocol
's	O
configuration	O
includes	O
a	O
keyboard	O
shortcut	O
for	O
calling	O
the	O
dmenu	O
program	O
to	O
prompt	O
the	O
user	O
for	O
a	O
URL	O
.	O
</s>
<s>
Most	O
configuration	O
of	O
surf	B-Protocol
is	O
performed	O
by	O
editing	O
its	O
configuration	O
header	B-Language
file	I-Language
in	O
its	O
source	O
code	O
,	O
and	O
then	O
(	O
re	O
)	O
compiling	B-Language
it	O
.	O
</s>
