mkdocs-material/material/templates/partials/language.html

{#-
  This file was automatically generated - do not edit
-#}
{% import "partials/languages/" ~ config.theme.language ~ ".html" as lang %}
{% import "partials/languages/en.html" as fallback %}
{% macro t(key) %}{{ lang.t(key) or fallback.t(key) or key }}{% endmacro %}