diff --git a/src/base/dbl_list/dbl_list.c b/src/base/dbl_list/dbl_list.c
index feee279..583d049 100644
--- a/src/base/dbl_list/dbl_list.c
+++ b/src/base/dbl_list/dbl_list.c
@@ -1,3 +1,5 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
 #include "./dbl_list.h"
 #include "../mem/allocator/mem_allocator.h"
 #include "../../common/assert/assert.h"
diff --git a/src/base/dbl_list/dbl_list.h b/src/base/dbl_list/dbl_list.h
index 0a4814b..69895af 100644
--- a/src/base/dbl_list/dbl_list.h
+++ b/src/base/dbl_list/dbl_list.h
@@ -1,3 +1,5 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
 #ifndef DBL_LIST_H
 #define DBL_LIST_H