commit https://github.com/vim/vim/commit/a24f0a550fed3d9773800cf6be4efd072fff20ec Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 17 19:39:00 2016 +0100 patch 7.4.1123 Problem: Using ":argadd" when there are no arguments results in the second argument to be the current one. (Yegappan Lakshmanan) Solution: Correct the w_arg_idx value.

--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1123,
+/**/
     1122,
 /**/
     1121,