<s>
The	O
DocBook	B-Language
XSL	I-Language
stylesheets	O
are	O
a	O
set	O
of	O
XSLT	B-Application
stylesheets	O
for	O
the	O
XML-based	O
DocBook	B-Protocol
language	O
.	O
</s>
<s>
DocBook	B-Protocol
is	O
a	O
semantic	O
markup	O
language	O
.	O
</s>
<s>
While	O
DocBook	B-Protocol
is	O
a	O
readable	O
markup	O
language	O
,	O
it	O
is	O
not	O
intended	O
to	O
be	O
read	O
by	O
end-users	O
in	O
its	O
DocBook	B-Protocol
form	O
.	O
</s>
<s>
The	O
purpose	O
of	O
DocBook	B-Language
XSL	I-Language
is	O
to	O
provide	O
a	O
standard	O
set	O
of	O
transformations	O
from	O
DocBook	B-Protocol
to	O
several	O
presentational	O
formats	O
.	O
</s>
<s>
DocBook	B-Language
XSL	I-Language
provides	O
for	O
transforms	O
into	O
the	O
following	O
formats	O
:	O
</s>
<s>
HTML	B-Language
,	O
both	O
as	O
single	O
pages	O
and	O
in	O
a	O
"	O
chunked	O
"	O
format	O
that	O
outputs	O
sections	O
to	O
different	O
pages	O
.	O
</s>
<s>
Webhelp	O
is	O
a	O
chunked	O
HTML	B-Language
output	O
format	O
in	O
the	O
DocBook	B-Protocol
xslt	B-Application
stylesheets	O
that	O
was	O
introduced	O
in	O
version	O
1.76.1	O
.	O
</s>
<s>
The	O
documentation	O
for	O
web	O
help	O
also	O
provides	O
an	O
example	O
of	O
web	O
help	O
and	O
is	O
part	O
of	O
the	O
DocBook	B-Language
xsl	I-Language
distribution	O
.	O
</s>
<s>
DocBook	B-Language
XSL	I-Language
also	O
has	O
transformations	O
to	O
slide-like	O
formats	O
for	O
HTML	B-Language
and	O
XSL-FO	B-Language
.	O
</s>
<s>
DocBook	B-Language
XSL	I-Language
's	O
stylesheets	O
are	O
highly	O
configurable	O
.	O
</s>
<s>
Each	O
of	O
the	O
different	O
formats	O
has	O
a	O
number	O
of	O
XSLT	B-Application
parameters	O
available	O
for	O
simple	O
customization	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
XSL-FO	B-Language
transforms	O
allow	O
the	O
user	O
to	O
define	O
the	O
size	O
of	O
the	O
pages	O
.	O
</s>
<s>
Additionally	O
,	O
the	O
XSLT	B-Application
documents	O
themselves	O
are	O
modular	O
;	O
it	O
is	O
possible	O
for	O
the	O
user	O
to	O
add	O
,	O
change	O
,	O
or	O
replace	O
particular	O
levels	O
of	O
functionality	O
.	O
</s>
<s>
This	O
can	O
allow	O
DocBook	B-Language
XSL	I-Language
to	O
process	O
new	O
documentation	O
tags	O
added	O
to	O
the	O
standard	O
DocBook	B-Protocol
,	O
or	O
to	O
simply	O
change	O
how	O
the	O
XSLT	B-Application
's	O
generate	O
the	O
resulting	O
format	O
.	O
</s>
