reportNonstrict(e, t, r) {
    var a = this.strict;
    if (typeof a == "function" && (a = a(e, t, r)), !(!a || a === "ignore")) {
      if (a === !0 || a === "error")
        throw new G("LaTeX-incompatible input and strict mode is set to 'error': " + (t + " [" + e + "]"), r);
      a === "warn" ? typeof console < "u" && console.warn("LaTeX-incompatible input and strict mode is set to 'warn': " + (t + " [" + e + "]")) : typeof console < "u" && console.warn("LaTeX-incompatible input and strict mode is set to " + ("unrecognized '" + a + "': " + t + " [" + e + "]"));
    }
  }
Report nonstrict (non-LaTeX-compatible) input.
Can safely not be called if `this.strict` is false in JavaScript.