Attribute lists that have strangely behaving quotes blow up because of the way that tag parsing occurs. The specific case is where things like meta tags contains unescaped quotes that end up totally destroying the attribute list.
Known failure case:
<meta name="og:title" content=""You're a "Dog">
<meta name="twitter:title" content=""You're a "Dawg">
Attribute lists that have strangely behaving quotes blow up because of the way that tag parsing occurs. The specific case is where things like meta tags contains unescaped quotes that end up totally destroying the attribute list.
Known failure case:
Expected output: