!doctype html public "-//w3c//dtd xhtml 1.0 strict//en" "3./tr/xhtml1/dtd/xhtml1-strict.dtd"
html xmlns="3./1999/xhtml"
body
h1/h1
fieldset
h2500 - ?/h2
h3?????/h3
/fieldset
/body
/html
!doctype html public "-//w3c//dtd xhtml 1.0 strict//en" "3./tr/xhtml1/dtd/xhtml1-strict.dtd"
html xmlns="3./1999/xhtml"
body
h1/h1
fieldset
h2500 - ?/h2
h3?????/h3
/fieldset
/body
/html