The rename dialogue marks the file name, excluding the
extension. But if a file name has more than one dot
'.', the first will be considered the delimiter instead
of the last. It would be better if the extension was
defined as the part of the name behind tha LAST
occurance of '.'.
Using 2.20 (2005-01-29) compiled from source. Running
on Debian 3.1 (sarge).