add tests for link nesting

test/new/nested_square_link.html

@@ -1,3 +1,27 @@
+<h3 id="example-1">Example 1</h3>
+
 <p><a href="/url">the <code>]</code> character</a></p>
 
+<h3 id="example-2">Example 2</h3>
+
 <p><a href="/url">the ` character</a></p>
+
+<h3 id="example-3">Example 3</h3>
+
+<p>[
+    [
+        <a href="b">a</a> <a href="d">c</a> <a href="f">e</a>
+    ](x)
+    <a href="h">g</a>
+    [
+        <a href="j">i</a> <a href="l">k</a> [m <a href="o">n</a>](p)
+    ](w)
+](z)</p>
+
+<h3 id="example-4">Example 4</h3>
+
+<p>[nested: <a href="/href" title="description">ref</a>](/foo)
+
+[nested: <a href="/bar">foo</a>][ref]</p>
+
+<p>[nested: <a href="/href2">ref2</a>][ref]</p>

test/new/nested_square_link.md

@@ -1,3 +1,30 @@
+### Example 1
+
 [the `]` character](/url)
 
+### Example 2
+
 [the ` character](/url)
+
+### Example 3
+
+[
+	[
+		[a](b) [c](d) [e](f)
+	](x)
+	[g](h)
+	[
+		[i](j) [k](l) [m [n](o)](p)
+	](w)
+](z)
+
+### Example 4
+
+[nested: [ref]](/foo)
+[nested: [foo](/bar)][ref]
+
+[nested: [ref2]][ref]
+
+
+[ref]: /href "description"
+[ref2]: /href2