You will need a font that supports the euro sign.

hex ncr for C1 position of euro sign

Test passes if you do NOT see a euro sign

Assertion: An hexadecimal numeric reference containing the code point for the euro in the Windows 1252 code page should not produce a euro sign.

Notes:
The HTML page is served as UTF-8. The NCR references code point U+0080, which is a control character in Unicode. The correct code point for the euro is U+20AC.

Next test
xhtml11 as xml