When specifying both -dpreview and -dbackend=svg command line arguments, lilypond fails.
thSoft-MacBook:music thsoft$ /Applications/LilyPond.app/Contents/Resources/bin/lilypond -dpreview -dbackend=svg clefs.ly GNU LilyPond 2.13.0 Processing `clefs.ly' Parsing... Interpreting music... Preprocessing graphical objects... Finding the ideal number of pages... Fitting music on 1 page... Drawing systems... Layout output to `clefs.svg'... /Applications/LilyPond.app/Contents/Resources/share/lilypond/current/scm/ lily-library.scm:149:5: In procedure module-lookup in expression (process-procedure book paper ...): /Applications/LilyPond.app/Contents/Resources/share/lilypond/current/scm/ lily-library.scm:149:5: unbound variable: output-preview-framework _______________________________________________ bug-lilypond mailing list bug-lilypond@gnu.org http://lists.gnu.org/mailman/listinfo/bug-lilypond