Add test to ensure #1141 was fixed

rhysd · rhysd · commit ca38265d07c5 · 2018-03-14T19:46:13.000+09:00
diff --git a/test/new/issue_1411.html b/test/new/issue_1411.html
@@ -0,0 +1 @@
+<p><a href=https://example.com></a></p>
diff --git a/test/new/issue_1411.md b/test/new/issue_1411.md
@@ -0,0 +1 @@
+<a href=https://example.com></a>

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+<p><a href=https://example.com></a></p>`