trim(both) problem?

Hi,

Isn't this a bug about trim both.
 select trim(both '<BR/>' from '<BR/>ROI Engineering Inc.');        btrim
--------------------- OI Engineering Inc.
(1 row)


"R" is missing? How?

 version
------------------------------------------------------------------------- PostgreSQL 8.0.15 on i686-pc-linux-gnu,
compiledby GCC gcc (GCC) 3.3.2
 

Thank you!