X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flily-guile.cc;h=f37380f024fc4b65fc9b368564c26dd3dd4a3190;hb=2ff595d62f091426f789704b307d1b04427bba6c;hp=bde39214b39faff40af98548533a3ed7a6bb716b;hpb=0b25807868f2e1f3372a8fb5e19d9036dec53ecc;p=lilypond.git

diff --git a/lily/lily-guile.cc b/lily/lily-guile.cc
index bde39214b3..f37380f024 100644
--- a/lily/lily-guile.cc
+++ b/lily/lily-guile.cc
@@ -529,6 +529,18 @@ display_list (SCM s)
   return SCM_UNSPECIFIED;
 }
 
+// Needed as complement to int_list_to_slice since scm_c_memq refuses
+// to work with dotted lists.
+
+SCM
+ly_memv (SCM v, SCM l)
+{
+  for (; scm_is_pair (l); l = scm_cdr (l))
+    if (scm_is_true (scm_eqv_p (v, scm_car (l))))
+      return l;
+  return SCM_BOOL_F;
+}
+
 Slice
 int_list_to_slice (SCM l)
 {