add HTML5 doctype to all tests

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

index 1c90a73..b1523b4 100644 (file)
--- a/tests/link-interaction.html
+++ b/tests/link-interaction.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>noise</title>