|{{#if:{{{nsp|}}} |{{PAGENAME:{{{1}}}}} |{{{1}}} }}
|{{#if:{{{nsp|}}} |{{#if:{{PAGENAME:{{{1}}}}} |{{PAGENAME:{{{1}}}}} |<!-- otherwise, handling here with LanguageConverter syntax support --> }} |{{{1}}} }}
It should be handeled by "identifiying the converter syntax => stripped off till the first colon" instead when "{{PAGENAME: returned empty value".