Title attribute hack, by Dave Shea

Assigning a title to the header itself, to compensate for hidden text - may work stand-alone depending on screen readers, and restores mouseover tool-tip:

Mezzoblue, ©copyright 2001-2003, Dave Shea

Overflow hack, by Seamus Leahy

Using overflow and 0-value height instead of display: hidden; -also eliminates empty span

Mezzoblue, ©copyright 2001-2003, Dave Shea

Both at once

restores tooltips, no empty <span>

Mezzoblue, ©copyright 2001-2003, Dave Shea