1 files changed, 1 insertions, 0 deletions
diff --git a/generic/Group.h b/generic/Group.h
index de81eaf..14c9871 100644
--- a/generic/Group.h
+++ b/generic/Group.h
@@ -34,6 +34,7 @@
 Item ZnGroupHead(Item group);
 Item ZnGroupTail(Item group);
 ZnBool ZnGroupCallOm(Item group);
+ZnBool ZnGroupAtomic(Item group);
 void ZnGroupSetCallOm(Item group, ZnBool set);
 void ZnInsertDependentItem(Item item);
 void ZnExtractDependentItem(Item item);