Re: PDF metadata missing if \header is within a \bookpart block

[Simon Albrecht]

On 03.07.2016 12:56, Federico Bruni wrote:
> Il giorno dom 3 lug 2016 alle 11:52, David Kastrup <address@hidden> ha 
> scritto:
> > >  It's a bug? I think so. LilyPond should check if there's a \header
> > >  block in an higher level (\book); if there is no \header in a higher
> > >  level, it should use the \header values within \bookpart.
> >
> > Which bookpart?  There is one PDF per book, but several bookparts per
> > PDF.  So it does not make sense to put per-PDF values, like the title
> > metadata is, in bookparts.
>
> Yes, I imagined this. But I hoped that LilyPond could parse the file, 
> see that there's only one \header block defined within the \bookpart 
> block and use that for metadata, since there's nothing else to use on 
> higher levels (\book, etc.).
>
> > >  This is important to me because:
> > >
> > >  1. Most of my songs are wrapped in \bookpart blocks, because I can
> > >  then make a book just including the files from a master \book file
> >
> > So why don't you then make a title for that master \book?  How is
> > LilyPond to know which bookpart to take the title from?
>
> Let me explain better.
> In a directory I have single files for each song. I want to compile 
> each of them as a standalone PDF. But I also want to include them in a 
> master file which acts as an anthology book.
> So the master file already works fine, because the \header is in the 
> top level.
> The problem is with each single song, because the songs use \bookpart.

Well, I suppose you need to find a clever way of setting pdftitle in the 
wrapper files for the single songs. This kind of things can be really 
annoying and convoluted…

Best, Simon