#(whitelist-grob 'NoteHead)
#(whitelist-grob 'Stem)
#(whitelist-grob 'Flag)
-#(whitelist-grob "NoteHead")
-#(whitelist-grob "Stem")
-#(whitelist-grob "Flag")
-#(map whitelist-symbol '(stencil style duration-log
- stem-attachment end-position staff-position
- glyph-name direction))
+#(for-each whitelist-symbol '(stencil style duration-log
+ stem-attachment end-position staff-position
+ glyph-name direction))
\book { \score {