Changes

<noinclude>Subpage functionality is {{#ifeq: {Underconstruction{BASEPAGENAME:{{{1|{{FULLPAGENAME}}/1 1/2 2}}}}} | {{PAGENAME:{{{1|{{FULLPAGENAME}}/1 1/2 2}}} }}| <b>DISABLED</b>:<br/>| <b>ENABLED</b>:<br/>}}</noinclude>{{#ifexpr: <onlyinclude!-- Check if subpage part is present -->1 and {{#if: {{#titleparts:{{PAGENAME:{{{1|{{FULLPAGENAME}}}}} }}|-1}} |1|0}}| <noinclude>Subpage part <b><i>is</i></b> present.<br/>&quot;</noinclude >{{#titleparts:{{PAGENAME:{{{1|{{FULLPAGENAME}}}}} }}|-1}}| <noinclude>Subpage part is <b><i>not</i></b> present.<br />Returning <code><nowiki>{{</nowiki>ROOTPAGENAME:<var>Pagename</var><nowiki>}}</nowiki></code> even for MediaWiki versions &lt;1.22<br/>&quot;</noinclude >{{#titleparts:{{PAGENAME:{{{1|{{FULLPAGENAME}}}}} }}|1}}}}</onlyincludenoinclude>&quot;