STEPMAKE_TEMPLATES=tex texinfo documentation
LOCALSTEPMAKE_TEMPLATES=lilypond ly
-LILYPOND_BOOK_FLAGS=--extra-options '-e "(ly-set-option (quote internal-type-checking) \#t)"'
+LILYPOND_BOOK_FLAGS=--extra-options '-e "(ly:set-option (quote internal-type-checking) \#t)"'
include $(depth)/make/stepmake.make