On 07/01/2010 13:10, Taco Hoekwater wrote: > 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). > Ok. Now the interface is the same as for nay other node, according to my tests. So, the user doesn't even need to know that there is something special with 0 spec, right?
> 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). > Thanks for the explanation! I've been wondering about the special subtypes. Manuel.
