patch 8.1.0614: placing signs can be complicated commit https://github.com/vim/vim/commit/162b71479bd4dcdb3a2ef9198a1444f6f99e6843 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 21 15:17:36 2018 +0100 patch 8.1.0614: placing signs can be complicated Problem: Placing signs can be complicated. Solution: Add functions for defining and placing signs. Introduce a group name to avoid different plugins using the same signs. (Yegappan Lakshmanan, closes #3652)

--- a/src/list.c
+++ b/src/list.c
@@ -116,6 +116,20 @@ rettv_list_alloc(typval_T *rettv)
 }
 
 /*
+ * Same as rettv_list_alloc() but uses an allocation id for testing.
+ */
+    int
+rettv_list_alloc_id(typval_T *rettv, alloc_id_T id UNUSED)
+{
+#ifdef FEAT_EVAL
+    if (alloc_fail_id == id && alloc_does_fail((long_u)sizeof(list_T)))
+	return FAIL;
+#endif
+    return rettv_list_alloc(rettv);
+}
+
+
+/*
  * Set a list as the return value
  */
     void