Changes
Undo, commons docu unusable here, used commons module apparently did not pass any test or code review
{{#ifexist: Template:{{{1|}}}/{{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}} | {{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}} | {{#ifexist: Template:{{{1|}}}/{{GetFallback|{{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}}}} | {{GetFallback|{{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}}}} | {{#ifexist: Template:{{{1|}}}/{{GetFallback2|{{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}}}} | {{GetFallback2|{{#if: {{{2|}}} |{{{2}}}|{{int:Lang}}}}}} | {{CONTENTLANGUAGE}} }} }} }}<noinclude> {{documentation}}[[Category:Localisation templates]]</noinclude>