Add active formatting element list reconstruction by <menuitem> (needs clarification: https://github.com/whatwg/html/pull/907/files#r73505877)
Add active formatting element list reconstruction by <menuitem> (needs clarification: https://github.com/whatwg/html/pull/907/files#r73505877)

HTMLParseErrorWG/parse5,inikulin/parse5,inikulin/parse5,HTMLParseErrorWG/parse5,inikulin/parse5,inikulin/parse5