add HTML5 doctype to all tests

[dygraphs.git] / tests / x-axis-formatter.html
diff --git a/tests/x-axis-formatter.html b/tests/x-axis-formatter.html

index 29cdd82..f4bfa36 100644 (file)
--- a/tests/x-axis-formatter.html
+++ b/tests/x-axis-formatter.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
  <html>
    <head>
      <title>X Axis Label Formatting</title>