On Thu, Jan 7, 2010 at 1:10 PM, Taco Hoekwater <[email protected]> wrote: > luigi scarso wrote: >> >> If I understand it correctly, >> if subtype is not 0 then spec is an empty node > > No, that is wrong. spec is *never* an empty node. > > The spec can be zero though, and that is a static spec with > values 0pt plus 0pt minus 0pt. The lua interface treated that > wrongly (all other node links cannot be zero, and there was > no special case for spec fields). > > The non-zero subtype means that this glue matches > one of the internal parameters, e.g. 9 == \rightskip, > or that it is a leader (values 100-102). Ah ok, now understand.
-- luigi
