Reduce confusion about strings and symbols in graphviz code

diff --git a/input/regression/graphviz.ly b/input/regression/graphviz.ly
index 710752d78ddd54105735bd070fbf43c485e2890e..f1fbcab90b5951d09fad310d7102ee6ad7ef1a1e 100644 (file)
--- a/input/regression/graphviz.ly
+++ b/input/regression/graphviz.ly
@@ -9,9 +9,6 @@
 #(whitelist-grob 'NoteHead)
 #(whitelist-grob 'Stem)
 #(whitelist-grob 'Flag)
-#(whitelist-grob "NoteHead")
-#(whitelist-grob "Stem")
-#(whitelist-grob "Flag")
 
 #(for-each whitelist-symbol '(stencil style duration-log
                              stem-attachment end-position staff-position

diff --git a/ly/graphviz-init.ly b/ly/graphviz-init.ly
index df797e4c0a179cdcc4ab958934476ba479197e08..6eb1b8b1df65f2a9b87b516d6d40c8b5f50743a3 100644 (file)
--- a/ly/graphviz-init.ly
+++ b/ly/graphviz-init.ly
@@ -19,8 +19,8 @@
 #(define (whitelist-symbol sym)
   (set! sym-whitelist (cons sym sym-whitelist)))
 
-#(define (whitelist-grob str)
-  (set! grob-whitelist (cons str grob-whitelist)))
+#(define (whitelist-grob sym)
+  (set! grob-whitelist (cons sym grob-whitelist)))
 
 #(define graph (make-empty-graph (ly:parser-output-name parser)))