"iframe": true,
"img": true,
"input": true,
- "isindex": true,
+ "isindex": true, // The 'isindex' element has been removed, but keep it for backwards compatibility.
+ "keygen": true,
"li": true,
"link": true,
"listing": true,
+ "main": true,
"marquee": true,
"menu": true,
"meta": true,