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: Blockquote ("Ugly Brown")
filler text
Ugly Brown
filler text

Simple RUBY element, RT=("Really Ugly Brown Yarn"), blockquote content is "Ugly Brown") in RT:
filler text RUBY Really
Ugly Brown
Yarn filler text