add HTML5 doctype to all tests

[dygraphs.git] / tests / highlighted-region.html
diff --git a/tests/highlighted-region.html b/tests/highlighted-region.html

index 7852753..093cc8a 100644 (file)
--- a/tests/highlighted-region.html
+++ b/tests/highlighted-region.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>Highlighted Region</title>