add HTML5 doctype to all tests

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

index c13c2ad..7fedf3f 100644 (file)
--- a/tests/demo.html
+++ b/tests/demo.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>demo</title>