Assertion:
IE 5+: While Block elements can exist within a Ruby element, some interesting behaviors are apparent. Images render fine also, but not form widgets.

Simple RUBY element, text-only content:
filler text RUBY Really Ugly Brown Yarn filler text

Plain markup: Bold, small, underline, font color=green ("Ugly Brown")
filler text Ugly Brown filler text

Simple RUBY element, RT=("Really Ugly Brown Yarn"); B, U, SMALL, FONT COLOR=green on "Ugly Brown") in RT:
filler text RUBY Really Ugly Brown Yarn filler text