<tr align=center> doesn't work compatibly with existing web pages - centering is lost. This is probably a DUP of 7112. This really needs to be fixed, because large numbers of pages use this (regardless of whether it meets spec). You might want to add this to the list of commonly reported bugs.
Chris, sounds like a DUP
7112 just got fixed. *** This bug has been marked as a duplicate of 7112 ***
Verified dup of #7112