html5: do wrong algorithm to get a basic nested tag structure
html5: do wrong algorithm to get a basic nested tag structure

same as modern.html5, but no error handling yet

factor/factor,mrjbq7/factor,mrjbq7/factor,mrjbq7/factor,mrjbq7/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor,factor/factor,factor/factor,factor/factor,tgunr/factor,tgunr/factor,factor/factor,factor/factor,tgunr/factor,tgunr/factor