Assertion:
In Internet Explorer 4.0 if a LEGEND exists and is NOT the first element after the opening FIELDSET tag, rendering problems occur. Such a construct is illegal according to the spec anyway, so don't do it.

LEGEND element is the first element in the fieldset:
filler text
This is a legend Field 1:
Field 2:
filler text

LEGEND element is the last element in the fieldset:
filler text
Field 1:
Field 2:
This is a legend
filler text

LEGEND element is in the middle of the fieldset:
filler text
Field 1:
This is a legend Field 2:
filler text