RE: Using Scheme inside header markup

[Sven Axelsson]

> From: Nicolas Sceaux [mailto:address@hidden 
> Subject: Re: Using Scheme inside header markup
> 
> "Sven Axelsson" <address@hidden> writes:
> > Now I'm calling lily from a batch file that looks like this
> >
> > "%ProgramFiles%\lilypond\usr\bin\lilypond.exe" --preview 
> -dresolution=72
> > -dno-comment %~n1.ly
> > "%ProgramFiles%\lilypond\usr\bin\lilypond.exe" --pdf %~n1.ly
> >
> > And I have this in my header markup:
> >
> > #(ly:export (if (not (ly:get-option 'no-comment)) 
> >              (markup #:frompropery 'header:comment) 
> >              (markup)))
> >
> > But I still get the header with the comment field in both cases.
> 
> There is a little subtlety with options: -dno-comment means 
> that you set
> the `comment' option to #f, whereas -dcomment means that you 
> set comment
> to #t. The problem is that, in that case, the comment option 
> will never
> be true: if you say "dno-comment", it will be false, and if you say
> nothing, it will be false also. I suggest that you use an option that
> does not start by "no-", for instance "-dwithout-comment", 
> and then you
> test (ly:get-option 'without-comment)

Aargh! That's it alright! Thanks a lot for helping me out here.

Got any idea what's up with the --no-pages option failling?

-- 
Sven Axelsson