Editing Template:When pagename is

<!--Check for match with full pagename
-->{{#ifeq: {{{ {{FULLPAGENAME}}|x }}} | {{{ {{FULLPAGENAME}}| }}}
| {{{ {{FULLPAGENAME}} }}}   <!--Has data, or is empty but defined-->
| <!--Else, are we on a subpage or a basepage?-->
  {{#if:{{#titleparts:{{FULLPAGENAME}}|0|2}}
  | <!--We are on a subpage, check for match with "User:Somepage/"-->
    {{#ifeq: {{{ {{#titleparts:{{FULLPAGENAME}}|1|1}}/|x }}} | {{{ {{#titleparts:{{FULLPAGENAME}}|1|1}}/| }}}
    | {{{ {{#titleparts:{{FULLPAGENAME}}|1|1}}/| }}}
    | <!--Check for match with "Somepage/"-->
      {{#ifeq: {{{ {{#titleparts:{{PAGENAME}}|1|1}}/|x }}} | {{{ {{#titleparts:{{PAGENAME}}|1|1}}/| }}}
      | {{{ {{#titleparts:{{PAGENAME}}|1|1}}/| }}}
      | <!--Check for match with "/something"-->
        {{#ifeq: {{{ /{{#titleparts:{{FULLPAGENAME}}|0|2}}|x }}} | {{{ /{{#titleparts:{{FULLPAGENAME}}|0|2}}| }}}
        | {{{ /{{#titleparts:{{FULLPAGENAME}}|0|2}}| }}}   <!--Defined-->
        | {{{subpage| {{{other|}}} }}}   <!--Respecting empty parameter on purpose-->
        }}
      }}
    }}
  | <!--We are on a basepage, check for match with "Somepage"-->
    {{#ifeq: {{{ {{PAGENAME}}|x }}} | {{{ {{PAGENAME}}| }}}
    | {{{ {{PAGENAME}} }}}   <!--Defined-->
    | {{{basepage| {{{other|}}} }}}   <!--Respecting empty parameter on purpose-->
    }}
  }}
}}<noinclude>

<!-- {{pp-template}} -->
{{documentation}}
<!-- Add categories and interwikis to the /doc subpage, not here! -->
</noinclude>