Am 24.02.2010 um 11:31 schrieb Hans Hagen:

> On 24-2-2010 8:50, Steffen Wolfrum wrote:
>> Am 23.02.2010 um 23:27 schrieb Hans Hagen:
>>> On 23-2-2010 21:18, Steffen Wolfrum wrote:
>>>> The need is easily described:
>>>> \placelist[chapter, section,...][file=MyFile]
>>>> In old MkII times all information for a table of content was read from the 
>>>> ".tuo" file.
>>>> For making manual changes in needed a way to define from *which* tuo file 
>>>> the placelist command reads its information:
>>>> so I could copy the original tuo file, give it another name (MyFile) and 
>>>> define ...
>>>> \def\FrozenTUO{MyFile}
>>>> .... thus each \placelist run would read from that paticular MyFile.tuo
>>>> The quoted code above was written by Hans to provide a way to implement a 
>>>> kind of \placelist[chapter, section,...][file=MyFile] in MkII.
>>> the file= option will not come back, at least not soon, as we now have a 
>>> completely different way of dealing with tables of contents (and actually 
>>> all multipass data)
>>> (ok, you can adapt copy the tuc file and replace the list table but as much 
>>> more goes into the list it's no fun; also way more information goes into 
>>> the lists and there are references to shared data that basically makes a 
>>> no-go)
>>> what we have already is a way to add userdata (which works if you use the 
>>> structured \startchapter ... commands) and when placing a list you can use 
>>> user entries; if you only need to replace a specific list entry you can do
>>> \startchapter[title=whatever,list=whocares,bookmark=...]
>>> so you have a different title and listentry and marking and reference and 
>>> bookmark and ..
>> There is an important side-effect in the way I use it in MkII:
>> The  idea is to run the table of contents independently from typesetting an 
>> entire book.
>> For example:
>> - you have a big book, each typesetting run takes quite long
>> - as you also have many headings the table of contents is 17 pages
>> - now you see an ugly page-brake at bottom of page 10
>> - but if the entire vertical spacing of this page would be reduced a bit 
>> then this page-break would look better.
>> What I'd do now in MkII is such (trial-and-error loop):
>> 0) the table of content is created by a \placelist command in a separate 
>> "contents.tex" component
>> 1) for testing purposes I now copy the tuo file and point (via 
>> \def\FrozenTUO) the placelist run to this file
>> 2) in this test-tuo file I hook in a command for reducing the vertical space 
>> (baseline/parskip) of my problematic contents page
>> 3) I run the contents.tex file again to see if the result is as desired
>> 4) if it is not, I do step 2) and 3) again
>> 5) finally, if the result is as desired, I write the command (that gave me 
>> that desired vertical space) via \writebetweenlist directly to the original 
>> chapter's files.
>> 6) now I point the \placelist run back again to the original tuo file: thus 
>> I can be save that whenever there will be additions/changes in the book, I 
>> can generate are table of contents with the updated pagenumbers (but also 
>> via writebetweenlist with my content's correction).
> why not put a stoptext just after the toc then and run with --once?
> that way the tuc file will not be overwritten and you have a short run

my experience is that run context --once literally work only once ...
thus, a trial-and-error loop (as described above) won't work.

or do you know a trick?!

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