Thank you for your post.
I can replicate the problem on Windows XP SP3, but not on Mac OS X 10.5.8 nor 10.6.4.
Our Development and Software Quality Assurance (Testing) departments are already aware of this issue. It appears the <span> tag is causing this issue.
I have attached your post along with my findings to the original case.
Can any one check and report for Windows 7 and Vista?
Although I cannot reproduce this on Mac, our testers are able to replicate the problem on a Mac. Vista was also checked by one of the testers. No information regarding Windows 7 at this time.
On the Mac side, I wonder if it depends on the Safari version installed on that machine?