add HTML5 doctype to all tests

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

index ad0bc9d..e76494e 100644 (file)
--- a/tests/zoom.html
+++ b/tests/zoom.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>zoom</title>