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, including it here // errs on the side of fewer warnings 'foreignObject', 'desc', 'title']; // https://html.spec.whatwg.org/multipage/syntax.html#has-an-element-in-button-scope var buttonScopeTags = inScopeTags.concat(['button']); // https://html.spec.whatwg.org/multipage/syntax.html#generate-implied-end-tags var impliedEndTags = ['dd', 'dt', 'li', 'option', 'optgroup', 'p', 'rp', 'rt']; var emptyAncestorInfo = { current: null, formTag: null, aTagInScope: null, buttonTagInScope: null, nobrTagInScope: null, pTagInButtonScope: null, listItemTagAutoclosing: null, dlItemTagAutoclosing: null }; updatedAncestorInfo = function (oldInfo, tag) { var ancestorInfo = assign({}, oldInfo || emptyAncestorInfo); var info = { tag: tag }; if (inScopeTags.indexOf(tag) !== -1) { ancestorInfo.aTagInScope = null; ancestorInfo.buttonTagInScope = null; ancestorInfo.nobrTagInScope = null; } if (buttonScopeTags.indexOf(tag) !== -1) { ancestorInfo.pTagInButtonScope = null; } // See rules for 'li', 'dd', 'dt' start tags in // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inbody if (specialTags.indexOf(tag) !== -1 && tag !== 'address' && tag !== 'div' && tag !== 'p') { ancestorInfo.listItemTagAutoclosing = null; ancestorInfo.dlItemTagAutoclosing = null; } ancestorInfo.current = info; if (tag === 'form') { ancestorInfo.formTag = info; } if (tag === 'a') { ancestorInfo.aTagInScope = info; } if (tag === 'button') { ancestorInfo.buttonTagInScope = info; } if (tag === 'nobr') { ancestorInfo.nobrTagInScope = info; } if (tag === 'p') { ancestorInfo.pTagInButtonScope = info; } if (tag === 'li') { ancestorInfo.listItemTagAutoclosing = info; } if (tag === 'dd' || tag === 'dt') { ancestorInfo.dlItemTagAutoclosing = info; } return ancestorInfo; }; /** * Returns whether */ var isTagValidWithParent = function (tag, parentTag) { // First, let's check if we're in an unusual parsing mode... switch (parentTag) { // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inselect case 'select': return tag === 'option' || tag === 'optgroup' || tag === '#text'; case 'optgroup': return tag === 'option' || tag === '#text'; // Strictly speaking, seeing an | Zootzle