Tongue Demon

Adds a tag-forbid-attr rule that disallows the use of specified attributes on the specified tag.

{
  "tag-forbid-attr": [
    true,
    {
      "picture": [
        {
          "name": "class"
        }
      ],
      "body": [
        {
          "name": "class"
        }
      ]
    }
  ]
}