patch 7.4.2228
Problem:    Test files have inconsistant modelines.
Solution:   Don't set 'tabstop' to 2, use 'sts' and 'sw'.
diff --git a/src/testdir/test_gn.vim b/src/testdir/test_gn.vim
index 3eca99b..7a5cdab 100644
--- a/src/testdir/test_gn.vim
+++ b/src/testdir/test_gn.vim
@@ -90,4 +90,4 @@
   sil! %d _
 endfu
 
-" vim: tabstop=2 shiftwidth=0 expandtab
+" vim: shiftwidth=2 sts=2 expandtab