In X(HT)ML kannst du http://de.selfhtml.org/xml/regeln/zeichen.htm#cdata@title=CDATA verwenden.
jein, nur in xhtml als xml behandelt
funzt nicht "sample.html":
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>Titel</title>
</head>
<body>
<p>foo<![CDATA[<b>bar</b>]]>baz</p>
</body>
</html>
funzt "sample.xml":
<?xml version="1.0" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="application/xhtml+xml; charset=utf-8" />
<title>Titel</title>
</head>
<body>
<p>foo<![CDATA[<b>bar</b>]]>baz</p>
</body>
</html>