Unable to export VRML with UV map

Hi, I have designed a file in another piece of software and imported the WRL into rhino.
This file has a pre-defined UV map (colour texture) to the surface which shows perfectly when I view in render mode on rhino, I then make some minor changes to some text bodies on the file but then when i export (save as) the file as a VRML/WRL and open it the UV map has disappeared only leaving bodies that I have manually coloured.
Is this a bug in Rhino?

Hi Tomm - can you post here, or send to tech@mcneel.com (with a link back here, please) the wrl and any associated images/texture maps?