Michael Hendry <hendry.mich...@gmail.com> writes:
>> Ok, tags work with music, not with books. Here is what I would suggest:
>>
>> ConcertBook =
>> \book {
>> ...
>> }
>>
>> and then you can at a later point of time say
>>
>> \ConcertBook
>>
>> and can comment that line out or not. Assigning #f to ConcertBook when
>> a command line option is set is a bit trickier, but still reasonably
>> easy.
>>
> That sounds good, but when I tried it I got...
>
> michael@Linley6:~/indigo/workspace/TestTag$ lilypond score.ly
> GNU LilyPond 2.14.2
> Processing `score.ly'
> Parsing...
> score.ly:92:0: error: syntax error, unexpected BOOK_IDENTIFIER
>
> \ConcertBook
Pffft. Taking a look at the LilyPond grammar (it is also in an appendix
in the notation manual), it turns out that you have to write
\book { \ConcertBook }
here. Turns out that a book identifier can be used in both \bookpart
and \book. That's a bit more for outcommenting and it becomes harder to
use this conditionally.
--
David Kastrup
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