add HTML5 doctype to all tests

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

index 82c41a9..73860d0 100644 (file)
--- a/tests/dateWindow.html
+++ b/tests/dateWindow.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>dateWindow</title>