gitlabblob.mustache in onebox-1.9.27.2

- old
+ new

@@ -1,6 +1,6 @@
-<h4><a href="{{link}}" target="_blank">{{title}}</a></h4>
+<h4><a href="{{link}}" target="_blank" rel="noopener">{{title}}</a></h4>
 {{^has_lines}}
 <pre><code class='{{lang}}'>{{content}}</code></pre>
 {{/has_lines}}
 
 {{#has_lines}}
@@ -8,7 +8,7 @@
 {{#lines}}<li{{#selected}} class="selected"{{/selected}}>{{data}}</li>{{/lines}}
 </ol></code></pre>
 {{/has_lines}}
 
 {{#truncated}}
-  This file has been truncated. <a href="{{link}}" target="_blank">show original</a>
+  This file has been truncated. <a href="{{link}}" target="_blank" rel="noopener">show original</a>
 {{/truncated}}