Assertion:
Both Internet Explorer and Netscape alter the listing mechanism (the bullets) if a font changing tag (e.g. FONT SIZE) spans a list structure or if it is placed incorrectly before the first LI tag.

Plain UL list:
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UL list with font tags in the list items (font size=6 color=green on LI item 2):
filler text filler text


UL list with font tags around the list structure (font size=6 color=green) and U:
filler text filler text