[NTG-pdftex] pdftex 1.20b protrusion: skip also zero-width glue?

[Hartmut Henkel]

On Mon, 10 Jan 2005, Hartmut Henkel wrote:

> Now, should one add also
>
>         or ((type(#) = glue_node) and (width(glue_ptr(#)) = 0))

(after having slept over this) it's rubbish as it messes up fil/fill
based alignment (could bee seen already in the example).

Regards, Hartmut