[Dev-luatex] show_node_list() of discretionary

Taco Hoekwater taco at elvenkind.com
Mon Jun 11 10:10:19 CEST 2012

On 06/10/2012 12:17 AM, Andreas Matthias wrote:
> In luatex, function show_node_list() displays the nodes of a discretionary
> in a different order than pdftex. Is this intended?

Yes, and that is because discretionaries in luatex are structurally
different from discretionaries in pdftex.

> I'm especially
> missing the number of nodes of the replacement (in the example: 2).

Luatex does not actually 'know' that number the way pdftex does. The
differences are fully explained in luatex's reference manual (well,
as best as I could, anyway).

Best wishes,

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