[luatex] stretch_order

[Paul Isambert]

Selon Patrick Gundlach <patrick at gundla.ch>:

>
> Am 02.08.2010 um 11:24 schrieb Arthur Reutenauer:
>
> >> 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.
>
> Yes:
>
> "[...] There is therefore a new keyword, fi, and
> two new primitives, \hfi and \vfi."

The fi keyword works, but \hfi and \vfi are undefined. Is it on purpose?

Paul