[luatex] node.copy_list() does not copy glue_spec nodes

[Khaled Hosny]

On Thu, May 03, 2012 at 03:35:28PM +0200, Patrick Gundlach wrote:
> Hello all,
> 
> it seems that node.copy_list() does not copy the glue_spec nodes, right? Any chance for a fix?

I'm not sure if this is deliberite or not, but have look at copy_node()
in tex/texnodes.w:

    case glue_spec_node:
        glue_ref_count(r) = null;
        break;

(r is the return value)

Regards,
 Khaled