\[code\]<h1>Hello<h3>World</h3></h1>\[/code\]If this is my html, all the browsers removes the h3 out side of h1.If I see the source\[code\]<h1>Hello</h1><h3>World</h3>\[/code\]As per to my knowledge h1 and h3 both are block elements. Why cannot I place a block element inside a another block.http://jsfiddle.net/J3dP4/
