<s>
Information	B-Language
Presentation	I-Language
Facility	I-Language
(	O
IPF	O
)	O
is	O
a	O
system	O
for	O
presenting	O
online	B-Protocol
help	I-Protocol
and	O
hypertext	O
on	O
IBM	B-Application
OS/2	I-Application
systems	O
.	O
</s>
<s>
The	O
IPF	O
language	O
has	O
its	O
origins	O
in	O
BookMaster	O
and	O
Generalized	B-Application
Markup	I-Application
Language	I-Application
developed	O
by	O
IBM	O
.	O
</s>
<s>
The	O
IPF	O
language	O
is	O
very	O
similar	O
to	O
the	O
well-known	O
HTML	B-Language
language	I-Language
,	O
version	O
3.0	O
,	O
with	O
a	O
range	O
of	O
additional	O
possibilities	O
.	O
</s>
<s>
IPF	O
HLP	O
files	O
are	O
distinct	O
from	O
the	O
WinHelp	O
HLP	O
files	O
that	O
are	O
prevalent	O
in	O
Windows	B-Application
.	O
</s>
<s>
OS/2	B-Application
contains	O
a	O
built	O
in	O
viewer	O
,	O
and	O
there	O
are	O
other	O
viewers	O
available	O
for	O
other	O
platforms	O
.	O
</s>
<s>
IPF	O
is	O
still	O
used	O
as	O
part	O
of	O
OS/2	B-Application
'	O
s	O
latest	O
incarnation	O
,	O
ArcaOS	B-Device
.	O
</s>
<s>
Free	B-Operating_System
Pascal	I-Operating_System
's	O
documentation	O
generator	O
(	O
fpdoc	O
)	O
,	O
can	O
also	O
generate	O
OS/2	B-Application
'	O
s	O
IPF	O
output	O
.	O
</s>
<s>
Free	B-Operating_System
Pascal	I-Operating_System
's	O
text	O
base	O
IDE	O
has	O
support	O
for	O
various	O
help	O
formats	O
-	O
OS/2	B-Application
'	O
s	O
INF	O
format	O
being	O
one	O
of	O
them	O
.	O
</s>
<s>
The	O
fpGUI	B-Language
Toolkit	I-Language
project	O
also	O
has	O
an	O
INF	O
viewer	O
called	O
DocView	O
.	O
</s>
<s>
INF	O
is	O
also	O
the	O
official	O
help	B-Protocol
file	I-Protocol
format	O
of	O
fpGUI	B-Language
Toolkit	I-Language
.	O
</s>
