diff --git a/runtime/indent/testdir/yaml.in b/runtime/indent/testdir/yaml.in
new file mode 100644
index 0000000..e3d77e2
--- /dev/null
+++ b/runtime/indent/testdir/yaml.in
@@ -0,0 +1,14 @@
+# vim: set ft=yaml sw=2 et :
+
+# START_INDENT
+map1:
+sub1:
+- list item
+map2:
+- another list
+# END_INDENT
+
+# START_INDENT
+map: &anchor
+map: val
+# END_INDENT
diff --git a/runtime/indent/testdir/yaml.ok b/runtime/indent/testdir/yaml.ok
new file mode 100644
index 0000000..b97b2e5
--- /dev/null
+++ b/runtime/indent/testdir/yaml.ok
@@ -0,0 +1,14 @@
+# vim: set ft=yaml sw=2 et :
+
+# START_INDENT
+map1:
+  sub1:
+    - list item
+map2:
+  - another list
+# END_INDENT
+
+# START_INDENT
+map: &anchor
+map: val
+# END_INDENT