ju = function(e, t) {
  if (!(typeof e == "string" || e instanceof String))
    throw new TypeError("KaTeX can only parse string typed expression");
  var r = new ts(e, t);
  delete r.gullet.macros.current["\\df@tag"];
  var a = r.parse();
  if (delete r.gullet.macros.current["\\current@color"], delete r.gullet.macros.current["\\color"], r.gullet.macros.get("\\df@tag")) {
    if (!t.displayMode)
      throw new G("\\tag works only in display equations");
    a = [{
      type: "tag",
      mode: "text",
      body: a,
      tag: r.subparse([new S0("\\df@tag")])
    }];
  }
  return a;
}
Renders the given LaTeX into an HTML+MathML internal DOM tree
representation, without flattening that representation to a string.

NOTE: This method is not currently recommended for public use.
The internal tree representation is unstable and is very likely
to change. Use at your own risk.