* ly/engraver-init.ly: add Rest_engraver only once.

[lilypond.git] / scm / define-music-display-methods.scm

diff --git a/scm/define-music-display-methods.scm b/scm/define-music-display-methods.scm
index ea49d5361320d2b2f3e8a1783a19c0cc0a7dffd9..c6ee2298215fac6b73e41debdef60ee67d4937b0 100644 (file)
--- a/scm/define-music-display-methods.scm
+++ b/scm/define-music-display-methods.scm
@@ -561,7 +561,8 @@ Otherwise, return #f."
          (format #f "\\key ~a \\~a~a"
                  (note-name->lily-string (ly:music-property key 'tonic))
                  (any (lambda (mode)
-                        (if (equal? (ly:parser-lookup (*parser*) mode) c-pitch-alist)
+                        (if (and (*parser*)
+                                 (equal? (ly:parser-lookup (*parser*) mode) c-pitch-alist))
                             (symbol->string mode)
                             #f))
                       '(major minor ionian locrian aeolian mixolydian lydian phrygian dorian))