(outputter (ly:make-paper-outputter (open-file filename "wb") 'tex))
(paper (ly:paper-book-paper book))
(page-stencils (map page-stencil (ly:paper-book-pages book)))
(outputter (ly:make-paper-outputter (open-file filename "wb") 'tex))
(paper (ly:paper-book-paper book))
(page-stencils (map page-stencil (ly:paper-book-pages book)))