diff --git a/runtime/indent/testdir/vim.in b/runtime/indent/testdir/vim.in
index ca105f6..235f31d 100644
--- a/runtime/indent/testdir/vim.in
+++ b/runtime/indent/testdir/vim.in
@@ -44,3 +44,18 @@
 " prev-line
 endfunc
 " END_INDENT
+
+" START_INDENT
+let a =<< END
+nothing
+END
+" END_INDENT
+
+" START_INDENT
+" INDENT_AT  this-line
+let a=<< trim END
+   blah
+      blah
+      blah this-line
+END
+" END_INDENT