[Dev-luatex] unique node id?

[Hans Hagen]

On 29-8-2010 8:48, Patrick Gundlach wrote:
>>
>> Is the following 172 something like I need? How would I access that (besides string.gsub())?
>>
>> <node    nil<     172>     nil : hlist 2>
>
>
> I am currently using this number in the middle via tostring() and gsub(). But I'd still like to know if this can be used as an id.

thinking of it ... luatex could have a flag that would inhibit freeing 
of nodes (making free a nil-op so to say) so you would get a large mem 
footprint but that's ok for special cases

Hans

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