diff --git a/INSTALL b/INSTALL
index b1e3c72c4b..ddf8787078 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,3 +1,4 @@
+foo
 GNU Emacs Installation Guide
 Copyright (C) 1992, 1994, 1996-1997, 2000-2022 Free Software Foundation,
 Inc.
diff --git a/README b/README
old mode 100644
new mode 100755
diff --git a/src/cm.c b/src/cm.c
index a175b4a338..b1c7db0b52 100644
--- a/src/cm.c
+++ b/src/cm.c
@@ -1,3 +1,5 @@
+/* bar */
+
 /* Cursor motion subroutines for GNU Emacs.
    Copyright (C) 1985, 1995, 2001-2022 Free Software Foundation, Inc.
     based primarily on public domain code written by Chris Torek