Re: #'header:title etc not defined outside \header and \paper blocks in \version 2.12.2

[Reinhold Kainhofer]

Am Freitag, 8. Januar 2010 20:29:12 schrieb Nicolas Sceaux:
> Le 6 janv. 2010 à 13:35, Reinhold Kainhofer a écrit :
> >> If so it is a pity because it would be quite nice to be able
> >> to write things like:
> >>
> >> \tocItem \markup { \fromproperty #'header:title }
> >
> > I had the same problem a while ago, and there is a workaround to make
> > header fields available to a particular markup. See the LSR:
> >
> > http://lsr.dsi.unimi.it/LSR/Item?id=467
> >
> > This snippet (click on the image to get the code) defines a function
> > \markupWithHeader, which makes the header fields available to the markup.
> >
> > However, there are some bugs left. First and foremost, only the global
> > \header block is considered, not \header blocks inside a book or
> > bookpart...
> 
> Would it make sense to link papers and headers, by adding a header_ slot to
> Output_def or by using a given variable in the output_def scope_ (which
>  would be set by Paper_book or Paper_score instances), so that
> Text_interface::interpret_markup can build the header:* properties itself
> before intrepreting the markup?  That way, header:title and co would be
> accessible to top-level markups and markups inside music.

Yes, it would be much less confusing and much more convenient if the header 
fields were automatically available to markups.

Cheers,
Reinhold
-- 
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Reinhold Kainhofer, address@hidden, http://reinhold.kainhofer.com/
 * Financial & Actuarial Math., Vienna Univ. of Technology, Austria
 * http://www.fam.tuwien.ac.at/, DVR: 0005886
 * LilyPond, Music typesetting, http://www.lilypond.org