</p><p><a href="#啤酒">#啤酒</a> <a href="#啤酒">#啤酒</a>
</p>
!! end
+
+!! test
+T90902: Normalize weird characters in section IDs
+!! config
+wgFragmentMode=[ 'html5', 'legacy' ]
+!! wikitext
+== Foo bar ==
+[[#Foo bar]]
+
+!! html/php
+<h2><span class="mw-headline" id="Foo_bar">Foo bar</span><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/index.php?title=Parser_test&action=edit&section=1" title="Edit section: Foo bar">edit</a><span class="mw-editsection-bracket">]</span></span></h2>
+<p><a href="#Foo_bar">#Foo bar</a>
+</p>
+!! end