[Dev-luatex] how to hook luatex last shipout

[Paweł Jackowski]

> well, if you do it at the tex end, the 'next' shipout (i.e. the one 
> triggered by bye or end) is quite ok as it is unlikely that changes to 
> the catalog will happen afterwards (e.g. user will not change info 
> fields etc after their last bye)

But there may be layers (or other interactive stuff that lives in root 
structures) not referenced so far.

> even if you hook it into some finalizing lua code there are pitfalls
> 
> on the agenda, that is once the backend code is mostly redone) there 
> will be finalizer callbacks for the catalog, but we delayed that because 
> it will be part of more finalizer code (and temporary solutions can 
> change and in turn result in messy debugging of existing code because 
> timing is so important here)

Sure.

> (hm, i could make a nice technical talk about this for bachotek if there 
> is any interest at all in such issues -)

Please do! If you haven't got call for papers, you'll get it soon.
On behalf on prog committee.
-- 
Pawe/l Jackowski
P.Jackowski at gust.org.pl