LyXLength(float v, LyXLength::UNIT u) : val(v), uni(u) {}
/** "data" must be a decimal number, followed by a unit. */
explicit
LyXLength(string const & data);
LyXLength(float v, LyXLength::UNIT u) : val(v), uni(u) {}
/** "data" must be a decimal number, followed by a unit. */
explicit
LyXLength(string const & data);