diff --git a/index.html b/index.html
index f768fb0..49a727e 100644
--- a/index.html
+++ b/index.html
@@ -13,6 +13,13 @@
 <h1 id="your-slide-deck">Your slide deck</h1>
 <p>Start writing!</p>
 </section>
+</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="2">
+<h1 id="this-is-a-test">This is a test</h1>
+<p>Let's see how this PR preview thing works...</p>
+</section>
+</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="3">
+<h1 id="another-slide">Another slide</h1>
+</section>
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