',
'br',
'col',
'command',
'embed',
'hr',
'img',
'input',
'keygen',
'link',
'meta',
'param',
'source',
'track',
'wbr'
]);
var plaintextParents = makeSet([
'style',
'script',
'xmp',
'iframe',
'noembed',
'noframes',
'plaintext',
'noscript'
]);
function getOuterHTML(node, parentNode, composed) {
switch (node.nodeType) {
case Node.ELEMENT_NODE:
var tagName = node.localName;
var s = '<' + tagName;
var attrs = node.attributes;
for (var i = 0, attr; attr = attrs[i]; i++) {
s += ' ' + attr.name + '="' + escapeAttr(