<s>
TeX4ht	B-Protocol
is	O
a	O
configurable	O
converter	O
capable	O
of	O
translating	O
TeX	B-Application
and	O
LaTeX	B-Application
documents	O
to	O
HTML	B-Language
and	O
certain	O
XML	B-Protocol
formats	O
.	O
</s>
<s>
Most	O
notably	O
,	O
TeX4ht	B-Protocol
serves	O
for	O
converting	O
(	O
La	O
)	O
TeX	B-Application
documents	O
to	O
formats	O
used	O
by	O
word	B-General_Concept
processors	I-General_Concept
.	O
</s>
<s>
The	O
program	O
is	O
published	O
under	O
the	O
LaTeX	B-Application
Project	I-Application
Public	I-Application
License	I-Application
(	O
LPPL	B-Application
)	O
.	O
</s>
<s>
TeX4ht	B-Protocol
was	O
developed	O
in	O
the	O
1990s	O
to	O
convert	O
(	O
La	O
)	O
TeX	B-Application
to	O
HTML	B-Language
,	O
helping	O
to	O
publish	O
scientific	O
documents	O
that	O
were	O
written	O
in	O
(	O
La	O
)	O
TeX	B-Application
on	O
the	O
World	O
Wide	O
Web	O
for	O
display	O
in	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
More	O
XML-based	O
formats	O
were	O
supported	O
gradually	O
.	O
</s>
<s>
As	O
of	O
2019	O
,	O
HTML5	B-Application
,	O
XHTML	B-Language
,	O
MathML	B-Language
,	O
OpenDocument	B-Application
,	O
DocBook	B-Protocol
,	O
and	O
TEI	B-Language
are	O
supported	O
.	O
</s>
<s>
JavaHelp	B-Protocol
can	O
also	O
be	O
generated	O
.	O
</s>
<s>
TeX4ht	B-Protocol
is	O
now	O
included	O
preconfigured	O
with	O
all	O
TeX	B-Application
distributions	O
.	O
</s>
<s>
TeX4ht	B-Protocol
does	O
not	O
directly	O
transform	O
TeX	B-Application
or	O
LaTeX	B-Application
markup	O
into	O
the	O
output	O
markup	O
language	O
(	O
HTML	B-Language
etc	O
.	O
)	O
</s>
<s>
Instead	O
,	O
an	O
ordinary	O
(	O
La	O
)	O
TeX	B-Application
run	O
compiles	O
a	O
DVI	B-Application
file	O
from	O
the	O
source	O
first	O
.	O
</s>
<s>
TeX4ht	B-Protocol
subsequently	O
processes	O
the	O
DVI	B-Application
file	O
.	O
</s>
<s>
TeX4ht	B-Protocol
essentially	O
can	O
deal	O
with	O
any	O
successfully	O
compiling	O
(	O
La	O
)	O
TeX	B-Application
document	O
source	O
.	O
</s>
<s>
TeX4ht	B-Protocol
can	O
also	O
incorporate	O
support	O
publicly	O
available	O
macro	O
packages	O
or	O
user-made	O
(	O
perhaps	O
document-specific	O
)	O
commands	O
to	O
process	O
features	O
that	O
transcend	O
standard	O
TeX	B-Application
formats	O
,	O
such	O
as	O
for	O
managing	O
bibliography	O
with	O
BibTeX	B-Language
,	O
because	O
these	O
extensions	O
do	O
not	O
need	O
corresponding	O
implementations	O
in	O
the	O
converter	O
.	O
</s>
<s>
Mathematics	O
can	O
also	O
be	O
converted	O
into	O
MathML	B-Language
or	O
form	O
suitable	O
for	O
processing	O
with	O
MathJax	B-Language
.	O
</s>
<s>
TeX4ht	B-Protocol
can	O
convert	O
LaTeX	B-Application
documents	O
into	O
Microsoft	B-Application
Word	I-Application
's	O
doc	O
format	O
via	O
the	O
OpenDocument	B-Application
format	I-Application
,	O
ODT	B-Application
.	O
</s>
