add HTML5 doctype to all tests

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

index ca5cef2..08e7efa 100644 (file)
--- a/tests/grid_dot.html
+++ b/tests/grid_dot.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>Custom grid and Dot</title>