---------------------------------------------------- [ ["tag", [ ["tag", [ ["punctuation", "<"], "Child" ]], ["attr-name", ["options"]], ["script", [ ["punctuation", "="], ["punctuation", "{"], ["punctuation", "{"], " track", ["punctuation", ":"], ["boolean", "true"], ["punctuation", "}"], ["punctuation", "}"] ]], ["punctuation", ">"] ]] ] ---------------------------------------------------- Checks that attribute can contain an simple object. See #1235.