I have the WP-Highslide plugin installed. When I attempt to validate my highslide enabled pages over at http://validator.w3.org/ I get:
Line 231, Column 62: document type does not allow element "div" here; missing one of
"button", "map", "object", "ins", "del", "noscript" start-tag
The mentioned element is not allowed to appear in the context in which you've placed it;
the other mentioned elements are the only ones that are both allowed there and can
contain the element mentioned. This might mean that you need a containing element,
or possibly that you've forgotten to close a previous element.
One possible cause for this message is that you have attempted to put a block-level
element (such as "
" or "