A variant of the point, equal to 0.3759 mm, or 1/72 of a French Royal inch (27.07 mm), or about 1/68 inch. Didot pointS are uSed in Europe. ThiS unit iS named after the French printer FrançoiS AmbroiSe Didot (1730 - 1804) who defined the "point-baSed" typographical meaSurement SyStem. (2002-03-11)