<s>
The	O
Document	B-Language
Style	I-Language
Semantics	I-Language
and	I-Language
Specification	I-Language
Language	I-Language
(	O
DSSSL	B-Language
)	O
is	O
an	O
international	O
standard	O
developed	O
to	O
provide	O
stylesheets	B-Language
for	O
SGML	B-Language
documents	O
.	O
</s>
<s>
DSSSL	B-Language
consists	O
of	O
two	O
parts	O
:	O
a	O
tree	O
transformation	O
process	O
that	O
can	O
be	O
used	O
to	O
manipulate	O
the	O
tree	O
structure	O
of	O
documents	O
prior	O
to	O
presentation	O
,	O
and	O
a	O
formatting	O
process	O
that	O
associates	O
the	O
elements	O
in	O
the	O
source	O
document	O
with	O
specific	O
nodes	O
in	O
the	O
target	O
representation	O
—	O
the	O
flow	O
object	O
tree	O
.	O
</s>
<s>
DSSSL	B-Language
specifications	O
are	O
device-independent	O
pieces	O
of	O
information	O
that	O
can	O
be	O
interchanged	O
between	O
different	O
platforms	O
.	O
</s>
<s>
DSSSL	B-Language
does	O
not	O
standardize	O
the	O
back-end	O
formatters	O
that	O
generate	O
the	O
language	O
's	O
output	O
.	O
</s>
<s>
Such	O
formatters	O
may	O
render	O
the	O
output	O
for	O
on-screen	O
display	O
,	O
or	O
write	O
it	O
to	O
a	O
computer	B-Operating_System
file	I-Operating_System
in	O
a	O
specific	O
format	O
(	O
such	O
as	O
PostScript	B-Language
or	O
Rich	O
Text	O
Format	O
)	O
.	O
</s>
<s>
Based	O
on	O
a	O
subset	O
of	O
the	O
Scheme	B-Language
programming	I-Language
language	I-Language
,	O
it	O
is	O
specified	O
by	O
the	O
standard	O
ISO/IEC	O
10179:1996	O
.	O
</s>
<s>
SGML	B-Language
contains	O
information	O
in	O
a	O
machine-readable	O
but	O
not	O
very	O
human-readable	B-General_Concept
format	I-General_Concept
.	O
</s>
<s>
A	O
"	O
stylesheet	O
"	O
is	O
used	O
to	O
present	O
the	O
information	O
stored	O
in	O
SGML	B-Language
in	O
a	O
more	O
pleasing	O
or	O
accessible	O
way	O
.	O
</s>
<s>
DSSSL	B-Language
can	O
convert	O
to	O
a	O
wide	O
range	O
of	O
formats	O
,	O
including	O
RTF	O
,	O
HTML	B-Language
,	O
and	O
LaTeX	B-Application
.	O
</s>
<s>
DSSSL	B-Language
is	O
compatible	O
with	O
any	O
SGML-based	O
document	O
type	O
,	O
but	O
it	O
has	O
been	O
used	O
most	O
often	O
with	O
DocBook	B-Protocol
.	O
</s>
<s>
In	O
1997	O
,	O
software	O
engineer	O
Geir	O
Ove	O
Grønmo	O
published	O
a	O
syntax	O
highlighting	O
language	O
definition	O
for	O
KEDIT	B-Application
.	O
</s>
<s>
With	O
the	O
appearance	O
of	O
XML	B-Protocol
as	O
an	O
alternative	O
to	O
SGML	B-Language
,	O
XML	B-Protocol
's	O
associated	O
stylesheet	B-Language
language	I-Language
XSL	B-Language
was	O
also	O
widely	O
and	O
rapidly	O
adopted	O
,	O
from	O
around	O
1999	O
.	O
</s>
<s>
Although	O
DSSSL	B-Language
continued	O
to	O
be	O
in	O
use	O
within	O
the	O
shrinking	O
SGML	B-Language
field	O
,	O
XSL	B-Language
was	O
very	O
soon	O
in	O
use	O
more	O
extensively	O
,	O
and	O
by	O
more	O
coders	O
,	O
than	O
DSSSL	B-Language
had	O
ever	O
achieved	O
.	O
</s>
<s>
This	O
was	O
emphasised	O
when	O
previous	O
SGML	B-Language
strongholds	O
such	O
as	O
DocBook	B-Protocol
converted	O
from	O
SGML	B-Language
to	O
XML	B-Protocol
,	O
and	O
also	O
converted	O
their	O
favoured	O
stylesheet	B-Language
language	I-Language
from	O
DSSSL	B-Language
to	O
XSL	B-Language
.	O
</s>
<s>
Sometime	O
in	O
or	O
before	O
1994	O
,	O
Opera	O
Software	O
began	O
drafting	O
a	O
"	O
DSSSL	B-Language
Lite	O
"	O
specification	O
for	O
the	O
consideration	O
of	O
the	O
World	O
Wide	O
Web	O
Consortium	O
,	O
since	O
DSSSL	B-Language
was	O
thought	O
to	O
be	O
too	O
complex	O
for	O
the	O
World	O
Wide	O
Web	O
.	O
</s>
