Arthur Reutenauer wrote: >> The stretch/shrink_order fields of a glue_spec, and the glue_order field of a >> box, return a number between 0 and 4, as follows: an finite amount is 0, and >> fil, fill and filll are 2, 3 and 4 respectively. What would 1 represent, then? > > fi, obviously. This was introduced in Omega, I believe. Quite right. Best wishes, Taco