diff --git a/tests/data/atx_heading.html b/tests/data/atx_heading.html
index 449c44d..6c9b38e 100644
--- a/tests/data/atx_heading.html
+++ b/tests/data/atx_heading.html
@@ -4,4 +4,5 @@
 <h4>h4</h4>
 <h5>h5</h5>
 <h6>h6</h6>
-<h1>closed h1</h1>
\ No newline at end of file
+<h1>closed h1</h1>
+<p>#</p>
\ No newline at end of file
diff --git a/tests/data/atx_heading.md b/tests/data/atx_heading.md
index d261f67..2d5c6ca 100644
--- a/tests/data/atx_heading.md
+++ b/tests/data/atx_heading.md
@@ -10,4 +10,6 @@
 
 ###### h6
 
-# closed h1 #
\ No newline at end of file
+# closed h1 #
+
+#
\ No newline at end of file
diff --git a/tests/data/tab-indented_code_block.html b/tests/data/tab-indented_code_block.html
new file mode 100644
index 0000000..0331c25
--- /dev/null
+++ b/tests/data/tab-indented_code_block.html
@@ -0,0 +1,6 @@
+<pre><code>&lt;?php
+
+$message = 'Hello World!'; 
+echo $message;
+
+echo "following a blank line";</code></pre>
\ No newline at end of file
diff --git a/tests/data/tab-indented_code_block.md b/tests/data/tab-indented_code_block.md
new file mode 100644
index 0000000..a2087ae
--- /dev/null
+++ b/tests/data/tab-indented_code_block.md
@@ -0,0 +1,6 @@
+	<?php
+	
+	$message = 'Hello World!'; 
+	echo $message;
+
+	echo "following a blank line";
\ No newline at end of file