Aye, they only show as flying text, but the numbers never make it further than that, they don't appear in the log or combat window and thus aren't really parseable via traditional math alone. Disable flying text in the options and dots won't get seen by a parser for example.
Ps sorry for the double post, not sure how I managed that!
*edit* wait nm, space-time continuum getting torn asunder by historic quoting!