<s>
RefTeX	B-Operating_System
is	O
a	O
reference	B-Application
management	I-Application
software	I-Application
package	O
designed	O
for	O
use	O
with	O
Emacs	B-Application
and	O
BibTeX	B-Language
.	O
</s>
<s>
While	O
it	O
can	O
cooperate	O
effectively	O
with	O
the	O
popular	O
AUCTeX	B-Application
package	O
,	O
it	O
is	O
not	O
strictly	O
necessary	O
to	O
use	O
them	O
together	O
.	O
</s>
<s>
RefTeX	B-Operating_System
is	O
distributed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
It	O
was	O
originally	O
written	O
by	O
Carsten	O
Dominik	O
,	O
the	O
author	O
of	O
org-mode	B-Operating_System
and	O
CDLaTeX	O
,	O
with	O
contributions	O
by	O
Stephen	O
Eglen	O
,	O
and	O
is	O
currently	O
maintained	O
by	O
the	O
AUCTeX	B-Application
project	O
.	O
</s>
<s>
It	O
has	O
been	O
bundled	O
and	O
pre-installed	O
with	O
Emacs	B-Application
since	O
version	O
20.2	O
.	O
</s>
