ITEX tags - vertical spacing issue

[AlephZero]

I just noticed there is no vertical white space between LaTeX superscripts and subscripts in ITEX tags on successive lines of a paragraph, at least with IE8.

See https://www.physicsforums.com/showthread.php?p=3428485#post3428485 for an example.

 

[Redbelly98]

Same problem in Firefox 5.0. It does go away if I choose "MathML" under Settings→Math Renderer, instead of "HTML-CSS".