Astral character as UTF-8

This document contains a character whose code point is greater than U+FFFF encoded as UTF-8. Even if the UA can't display the character, it should accept the character as a valid UTF-8 byte sequence.

• 𠏹 (CJK UNIFIED IDEOGRAPH-203F9)

• Well-formed
• XHTML Basic doctype
• Namespace declared
• No namespace prefix
• XML declaration present