<s>
NetPositive	B-Application
(	O
often	O
called	O
Net+	O
)	O
is	O
the	O
default	O
web	B-Application
browser	I-Application
for	O
the	O
discontinued	O
Be	B-Application
Operating	I-Application
System	I-Application
(	O
BeOS	B-Application
)	O
.	O
</s>
<s>
It	O
includes	O
partial	O
support	O
for	O
JavaScript	B-Language
,	O
but	O
no	O
CSS	B-Language
support	O
.	O
</s>
<s>
It	O
was	O
originally	O
developed	O
as	O
a	O
stop-gap	O
measure	O
because	O
no	O
browsers	B-Application
had	O
been	O
ported	O
to	O
BeOS	B-Application
.	O
</s>
<s>
The	O
browser	B-Application
's	O
haiku	B-Language
error	O
messages	O
were	O
noted	O
among	O
BeOS	B-Application
users	O
,	O
which	O
led	O
to	O
the	O
name	O
of	O
Haiku	B-Language
,	O
an	O
open-source	O
operating	O
system	O
inspired	O
by	O
BeOS	B-Application
.	O
</s>
<s>
A	O
late	O
1990s	O
email	O
joke	O
which	O
claimed	O
that	O
Microsoft	O
was	O
moving	O
to	O
Haiku	B-Language
error	O
messages	O
in	O
Japanese	O
versions	O
of	O
Windows	O
was	O
almost	O
entirely	O
made	O
up	O
of	O
NetPositive	B-Application
error	O
messages	O
.	O
</s>
<s>
Not	O
quick	O
enough	O
for	O
browser	B-Application
.	O
</s>
