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 form fields: Checkbox (checked), Reset, Text
filler text filler text

Simple RUBY element, RT=("Really Ugly Brown Yarn"); Form fields (Checkbox (checked), Reset, Text) inserted between "Ugly" and "Brown" in RT:
filler text RUBY Really Ugly Brown Yarn filler text