def gremlins
      {
        space:           "\u2420",
        tab:             "\u21B9",
        carriage_return: "\u23CE",
        line_feed:       "\u240A",

        control_c: "\u2404",
        control_d: "\u2403",
        control_r: "\u2412",

        escape: "\u238B",

        backspace: "\u2408",
        delete:    "\u232B",

        up:    "\u2191",
        down:  "\u2193",
        left:  "\u2190",
        right: "\u2192"
      }
    end
def gremlins
      {
        space:           "\u2420",
        tab:             "\u21B9",
        carriage_return: "\u23CE",
        line_feed:       "\u240A",

        control_c: "\u2404",
        control_d: "\u2403",
        control_r: "\u2412",

        escape: "\u238B",

        backspace: "\u2408",
        delete:    "\u232B",

        up:    "\u2191",
        down:  "\u2193",
        left:  "\u2190",
        right: "\u2192"
      }
    end
Glyphs and Alternate Names