The table rendering is broken on ATI cards due to incorrect use of GL_CLAMP when the border colour is not set. Switching from GL_CLAMP to GL_CLAMP_TO_EDGE resolves issue.
Created attachment 263257 [details, diff] foobillard-3.0a-glclamp.patch
doesn't seem to cause problems on nvidia so.... in portage. thanks for the bug report and patch.