Update runtime files.
diff --git a/runtime/doc/usr_24.txt b/runtime/doc/usr_24.txt
index a5e3344..625e9cb 100644
--- a/runtime/doc/usr_24.txt
+++ b/runtime/doc/usr_24.txt
@@ -603,4 +603,4 @@
 
 Next chapter: |usr_25.txt|  Editing formatted text
 
-Copyright: see |manual-copyright|  vim:tw=78:ts=8:ft=help:norl:
+Copyright: see |manual-copyright|  vim:tw=78:ts=8:noet:ft=help:norl: