[Dev-luatex] A few idle questions...

[Hans Hagen]

David Kastrup wrote:
> Hans Hagen <pragma at wxs.nl> writes:
> 
>> David Kastrup wrote:
>>
>>> Yes, that is the kind of thing I had been thinking of.  Another is
>>> output routine programming: a function
>>> get_more_main_vertical_list_material_from_TeX would be quite handy in
>>> some applications, and yielding to TeX until the next pass would seem to
>>> make for some very straightforward and understandable programming.
>> you can already use a callback to collect material that is added to
>> the vertical lists
> 
> I don't understand.  What callback, and where is the material supposed
> to originate?

vpack_filter
buildpage_filter

at that point you can save the list passed to the function and return 
nothing



-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
      tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                              | www.pragma-pod.nl
-----------------------------------------------------------------