diff --git a/format.h b/format.h
index abff0083..8df27514 100644
--- a/format.h
+++ b/format.h
@@ -20,7 +20,9 @@ struct element_t
     VALUE_EXPR,
     SOURCE,
     BEG_POS,
+    BEG_LINE,
     END_POS,
+    END_LINE,
     DATE_STRING,
     CLEARED,
     CODE,