<a href="/wiki/Foo" title="Foo">link <span title="title with [[double brackets]]">span</span></a>
</p>
!! end
+
+!! test
+T179544: {{anchorencode:}} output should be always usable in links
+!! config
+wgFragmentMode=[ 'html5' ]
+!! wikitext
+<span id="{{anchorencode:[foo]}}"></span>[[#{{anchorencode:[foo]}}]]
+!! html/php
+<p><span id="[foo]"></span><a href="#[foo]">#[foo]</a>
+</p>
+!! end