Issue 2981: Let \set ... = *undefined* unset values rather than overwriting.

[lilypond.git] / lily / lily-guile.cc

diff --git a/lily/lily-guile.cc b/lily/lily-guile.cc
index e8380324fbe40f84311c5592c4100046c99e7194..3fd0e890a01b252f9ee9332ce4aadd739824751a 100644 (file)
--- a/lily/lily-guile.cc
+++ b/lily/lily-guile.cc
@@ -62,7 +62,7 @@ ly_scm_write_string (SCM s)
 SCM
 ly_quote_scm (SCM s)
 {
-  return scm_list_n (ly_symbol2scm ("quote"), s, SCM_UNDEFINED);
+  return scm_list_2 (ly_symbol2scm ("quote"), s);
 }
 
 string