control-chars-017.html (644B)
1 <!doctype html> 2 <meta charset=utf-8> 3 <title>Control charcters must be visible: U+0017</title> 4 <link rel=author title="Florian Rivoal" href="https://florian.rivoal.net"> 5 <link rel=help href="https://drafts.csswg.org/css-text-3/#white-space-processing"> 6 <link rel=mismatch href="reference/control-chars-000-ref.html"> 7 <meta name=flags content=""> 8 <meta name=assert content="U+0017, which is in the unicode category CC, must be visible"> 9 <style> 10 div { 11 font-size: 4em; 12 } 13 div::after { content: "\0017" } /* Injecting via CSS, to avoid any mangling by the html parser */ 14 </style> 15 16 <p>Test passes if there is a visible character below. 17 18 <div></div>