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_digraph.vim b/src/testdir/test_digraph.vim
index 9550085..6290680 100644
--- a/src/testdir/test_digraph.vim
+++ b/src/testdir/test_digraph.vim
@@ -458,4 +458,4 @@
   call assert_equal("€", s)
 endfunc
 
-" vim: tabstop=2 shiftwidth=0 sts=-1 expandtab
+" vim: shiftwidth=2 sts=2 expandtab