`I don't see,' said the Caterpillar.

  `I'm afraid I can't put it more clearly,' Alice replied very
politely, `for I can't understand it myself to begin with; and
being so many different sizes in a day is very confusing.'

  `It isn't,' said the Caterpillar.

  `Well, perhaps you haven't found it so yet,' said Alice; `but
when you have to turn into a chrysalis--you will some day, you

will be the `height`.\n   *\n   * You can provide a single value (as `Number` or `String`), or a pair of values\n   * as `String` divided by a comma or one (or more) white spaces.<br />\n   * The latter is a deprecated method because it leads to confusion and will be\n   * removed in v2.<br />\n   * Additionally, it accepts additions and subtractions between different units.\n   * Note that multiplications and divisions aren't supported.\n   *\n   * Valid examples are:\n   * ```\n   * 10\n   * '10%'\n...