<s>
Texinfo	B-Application
is	O
a	O
typesetting	O
syntax	O
used	O
for	O
generating	O
documentation	O
in	O
both	O
on-line	O
and	O
printed	O
form	O
(	O
creating	O
filetypes	O
as	O
,	O
,	O
,	O
etc.	O
,	O
and	O
its	O
own	O
hypertext	O
format	O
,	O
)	O
with	O
a	O
single	O
source	O
file	O
.	O
</s>
<s>
It	O
is	O
implemented	O
by	O
a	O
computer	B-Application
program	I-Application
released	O
as	O
free	B-Application
software	I-Application
of	O
the	O
same	O
name	O
,	O
created	O
and	O
made	O
available	O
by	O
the	B-Application
GNU	I-Application
Project	I-Application
from	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
The	O
main	O
purpose	O
of	O
Texinfo	B-Application
is	O
to	O
provide	O
a	O
way	O
to	O
easily	O
typeset	O
software	O
manuals	O
.	O
</s>
<s>
Similar	O
to	O
the	O
LaTeX	B-Application
syntax	O
,	O
all	O
the	O
normal	O
features	O
of	O
a	O
book	O
,	O
such	O
as	O
chapters	O
,	O
sections	O
,	O
cross	O
references	O
,	O
tables	O
and	O
indices	O
are	O
available	O
for	O
use	O
in	O
documents	O
.	O
</s>
<s>
Using	O
the	O
various	O
output	O
generators	O
that	O
are	O
available	O
for	O
Texinfo	B-Application
,	O
it	O
is	O
possible	O
to	O
keep	O
several	O
documentation	O
types	O
up-to-date	O
(	O
such	O
as	O
on-line	O
documentation	O
provided	O
via	O
a	O
Web	O
site	O
,	O
and	O
printed	O
documentation	O
,	O
as	O
generated	O
using	O
the	O
TeX	B-Application
typesetting	O
system	O
)	O
using	O
only	O
a	O
single	O
source	O
file	O
.	O
</s>
<s>
The	O
official	O
Texinfo	B-Application
documentation	O
states	O
that	O
the	O
first	O
syllable	O
of	O
"	O
Texinfo	B-Application
"	O
is	O
pronounced	O
so	O
as	O
to	O
rhyme	O
with	O
"	O
speck	O
"	O
,	O
not	O
"	O
hex	O
"	O
;	O
this	O
pronunciation	O
is	O
derived	O
from	O
the	O
pronunciation	O
of	O
TeX	B-Application
,	O
in	O
which	O
the	O
X	B-Operating_System
represents	O
the	O
Greek	O
letter	O
chi	O
rather	O
than	O
the	O
English	O
letter	O
x	B-Operating_System
.	O
</s>
<s>
The	O
maintainers	O
state	O
that	O
"	O
Texinfo	B-Application
"	O
should	O
be	O
written	O
with	O
only	O
a	O
capital	O
"	O
T	O
"	O
and	O
the	O
rest	O
of	O
the	O
letters	O
in	O
lower	O
case	O
.	O
</s>
<s>
In	O
order	O
to	O
make	O
it	O
possible	O
for	O
several	O
documentation	O
output	O
formats	O
to	O
be	O
updated	O
all	O
at	O
once	O
,	O
upon	O
changing	O
the	O
original	O
Texinfo	B-Application
(	O
.texi	B-Application
)	O
source	O
file	O
,	O
several	O
syntax	O
converters	O
are	O
available	O
that	O
can	O
be	O
used	O
to	O
generate	O
translations	O
of	O
the	O
Texinfo	B-Application
file	O
into	O
other	O
formats	O
.	O
</s>
<s>
Most	O
of	O
these	O
are	O
created	O
using	O
the	O
program	O
,	O
which	O
is	O
part	O
of	O
the	O
GNU	B-Application
Texinfo	I-Application
distribution	O
.	O
</s>
<s>
The	O
device	B-Application
independent	I-Application
file	I-Application
format	I-Application
is	O
output	O
by	O
the	O
TeX	B-Application
typesetting	O
system	O
,	O
and	O
can	O
be	O
used	O
for	O
generating	O
device-specific	O
commands	O
that	O
can	O
be	O
viewed	O
or	O
printed	O
;	O
for	O
example	O
,	O
translation	O
to	O
PostScript	B-Language
(	O
files	O
)	O
.	O
</s>
<s>
Based	O
on	O
the	O
PostScript	B-Language
language	I-Language
,	O
this	O
format	O
was	O
developed	O
by	O
Adobe	O
Systems	O
for	O
portable	O
document	O
interchange	O
.	O
</s>
<s>
Like	O
the	O
PostScript	B-Language
format	O
,	O
it	O
can	O
represent	O
the	O
exact	O
appearance	O
of	O
a	O
document	O
and	O
supports	O
arbitrary	O
scaling	O
.	O
</s>
<s>
Texinfo	B-Application
uses	O
the	O
program	O
,	O
a	O
variant	O
of	O
TeX	B-Application
,	O
to	O
output	O
PDF	O
.	O
</s>
<s>
This	O
is	O
an	O
XML-based	O
markup	O
language	O
for	O
technical	O
documentation	O
that	O
bears	O
some	O
resemblance	O
to	O
Texinfo	B-Application
,	O
in	O
broad	O
outlines	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
convert	O
Docbook	B-Protocol
files	O
to	O
Texinfo	B-Application
,	O
using	O
the	O
program	O
.	O
</s>
<s>
This	O
is	O
a	O
specific	O
format	O
which	O
essentially	O
is	O
a	O
plain	O
text	O
version	O
of	O
the	O
original	O
Texinfo	B-Application
syntax	O
in	O
conjunction	O
with	O
a	O
few	O
control	O
characters	O
to	O
separate	O
nodes	O
and	O
provide	O
navigational	O
elements	O
for	O
menus	O
,	O
cross-references	O
,	O
sections	O
,	O
and	O
so	O
on	O
.	O
</s>
<s>
The	O
Info	B-Protocol
format	O
can	O
be	O
viewed	O
with	O
the	O
program	O
.	O
</s>
<s>
Notably	O
,	O
man	B-Protocol
is	O
not	O
available	O
as	O
an	O
output	O
format	O
from	O
the	O
standard	O
Texinfo	B-Application
tools	O
.	O
</s>
<s>
While	O
Texinfo	B-Application
is	O
used	O
for	O
writing	O
the	O
documentation	O
of	O
GNU	B-Operating_System
software	O
,	O
which	O
typically	O
is	O
used	O
in	O
Unix-like	B-Operating_System
environments	O
such	O
as	O
Linux	B-Application
,	O
where	O
man	B-Protocol
pages	I-Protocol
are	O
the	O
traditional	O
format	O
for	O
documentation	O
,	O
the	O
rationale	O
for	O
this	O
is	O
that	O
man	B-Protocol
pages	I-Protocol
have	O
a	O
strict	O
conventional	O
format	O
,	O
used	O
traditionally	O
as	O
quick	O
reference	O
guides	O
,	O
whereas	O
typical	O
Texinfo	B-Application
applications	O
are	O
for	O
tutorials	O
as	O
well	O
as	O
reference	O
manuals	O
.	O
</s>
<s>
As	O
such	O
,	O
no	O
benefit	O
is	O
seen	O
in	O
expressing	O
Texinfo	B-Application
content	O
in	O
man	B-Protocol
page	I-Protocol
format	O
.	O
</s>
<s>
Moreover	O
,	O
many	O
GNU	B-Application
projects	I-Application
eschew	O
man	B-Protocol
pages	I-Protocol
almost	O
completely	O
,	O
referring	O
the	O
reader	O
of	O
the	O
provided	O
man	B-Protocol
page	I-Protocol
(	O
which	O
often	O
describes	O
itself	O
as	O
seldom	O
maintained	O
)	O
to	O
the	O
Info	B-Protocol
document	O
.	O
</s>
<s>
Texinfo	B-Application
enables	O
structuring	O
a	O
document	O
like	O
a	O
book	O
with	O
chapters	O
,	O
sections	O
,	O
cross	O
references	O
and	O
indices	O
.	O
</s>
<s>
Texinfo	B-Application
is	O
used	O
as	O
the	O
official	O
documentation	O
system	O
for	O
the	B-Application
GNU	I-Application
Project	I-Application
.	O
</s>
<s>
Texinfo	B-Application
is	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
The	O
Texinfo	B-Application
format	O
was	O
created	O
by	O
Richard	O
M	O
.	O
Stallman	O
,	O
combining	O
another	O
system	O
for	O
print	O
output	O
in	O
use	O
at	O
MIT	O
called	O
BoTeX	O
,	O
with	O
the	O
online	O
Info	B-Protocol
hyperlinked	O
documentation	O
system	O
,	O
also	O
created	O
by	O
Stallman	O
on	O
top	O
of	O
the	O
TECO	B-Application
implementation	O
of	O
Emacs	B-Application
.	O
</s>
<s>
Moon	O
,	O
and	O
used	O
for	O
documentation	O
of	O
the	O
Lisp	B-Operating_System
Machine	I-Operating_System
)	O
,	O
converted	O
to	O
use	O
TeX	B-Application
for	O
its	O
output	O
.	O
</s>
<s>
Robert	O
Chassell	O
helped	O
Stallman	O
to	O
create	O
the	O
first	O
translator	O
to	O
create	O
Info	B-Protocol
in	O
Emacs	B-Operating_System
Lisp	I-Operating_System
.	O
</s>
<s>
Texinfo	B-Application
is	O
"	O
loosely	O
based	O
on	O
Brian	O
Reid	O
's	O
Scribe	B-Protocol
and	O
other	O
formatting	O
languages	O
of	O
the	O
time	O
"	O
.	O
</s>
<s>
The	O
Texinfo	B-Application
software	O
distribution	O
development	O
was	O
led	O
by	O
Brian	O
Fox	O
(	O
up	O
to	O
version	O
3.8	O
)	O
,	O
Karl	O
Berry	O
(	O
through	O
version	O
5.2	O
)	O
,	O
and	O
by	O
Gavin	O
Smith	O
(	O
since	O
Dec	O
.	O
2014	O
)	O
.	O
</s>
<s>
In	O
February	O
2014	O
,	O
Eric	O
S	O
.	O
Raymond	O
wrote	O
that	O
Stallman	O
had	O
decided	O
to	O
phase	O
out	O
texinfo	B-Application
in	O
the	O
future	O
after	O
discussions	O
with	O
him	O
.	O
</s>
