A floated image in a list-item overlaps or masks or removes its list-marker (filled disc, bullet)

Actual (live) results in your browser:

Expected results (screenshot 828px wide, 114px tall):

[Image download support must be enabled for this test]

Actual results in IE 8 (screenshot 807px wide, 115px tall):

[Image download support must be enabled for this test]

Firefox 3.5 and NS 7.2 pass all 3 tests; Opera 9.64, Safari 4 and Konqueror 4.2.4 pass only the 3rd test.