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List:       lilypond-bug
Subject:    Issue 713 in lilypond: bus error with \bookpart
From:       codesite-noreply () google ! com
Date:       2008-12-22 19:31:21
Message-ID: 0016e644ddec208461045ea7b493 () google ! com
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Updates:
	Labels: Type-Defect

Comment #1 on issue 713 by nicolas.sceaux: bus error with \bookpart
http://code.google.com/p/lilypond/issues/detail?id=713

In Paper_book::output_aux(), for a parent Paper_book, despite the looping:
   for (SCM p = scm_reverse (bookparts_); scm_is_pair (p); p = scm_cdr (p))
not all children bookparts are processed, causing the bus error to occur  
later on.
I don't understand why. For instance, when trying:
   SCM bookparts = scm_reverse (bookparts_);
   scm_display (scm_length (bookparts), scm_current_output_port ()); //  
whatever
   for (SCM p = bookparts; scm_is_pair (p); p = scm_cdr (p))
then the bus error does not occur, the looping reaches all children  
bookparts.
As a workaround, bookparts will be stored in Paper_book in straight order,  
instead of reverse order, to avoid
the multiple reversings.

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