add HTML5 doctype to all tests

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

index 74737ac..0884b16 100644 (file)
--- a/tests/century-scale.html
+++ b/tests/century-scale.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>demo</title>