Improved downward compatibility with custom partials

material/partials/language.html

+{% set languages = "en" %}
+{% if config and config.extra %}
   {% set languages = config.extra.language | default("en") %}
+{% endif %}
 {% if languages is string %}
   {% set languages = languages.split(",") | map("trim") %}
 {% endif %}

material/partials/language/es.html

+{% macro t(key) %}{{ {
+  "language": "es",
+  "clipboard.copy": "Copiar al portapapeles",
+  "clipboard.copied": "Copiado al portapapeles",
+  "edit.link.title": "Editar esta página",
+  "footer.previous": "Anterior",
+  "footer.next": "Siguiente",
+  "meta.comments": "Comentarios",
+  "meta.source": "Fuente",
+  "search.placeholder": "Búsqueda",
+  "search.result.placeholder": "Teclee para comenzar búsqueda",
+  "search.result.none": "No se encontraron documentos",
+  "search.result.one": "1 documento encontrado",
+  "search.result.other": "# documentos encontrados",
+  "search.tokenizer": "[\s\-]+",
+  "source.link.title": "Ir al repositorio",
+  "toc.title": "Tabla de contenidos"
+}[key] }}{% endmacro %}

material/partials/language/pl.html

+{% macro t(key) %}{{ {
  "language": "pl",
  "clipboard.copy": "Kopiuj do schowka",
  "clipboard.copied": "Skopiowane",
  "edit.link.title": "Edytuj tę stronę",
  "footer.previous": "Poprzednia strona",
  "footer.next": "Następna strona",
  "meta.comments": "Komentarze",
  "meta.source": "Kod źródłowy",
  "search.placeholder": "Szukaj",
  "search.result.placeholder": "Zacznij pisać, aby szukać",
  "search.result.none": "Brak wyników wyszukiwania",
  "search.result.one": "Wyniki wyszukiwania: 1",
  "search.result.other": "Wyniki wyszukiwania: #",
  "search.tokenizer": "[\s\-]+",
  "source.link.title": "Idź do repozytorium",
  "toc.title": "Spis treści"
}[key] }}{% endmacro %}

material/partials/language/sv.html

+{% macro t(key) %}{{ {
+  "language": "sv",
+  "clipboard.copy": "Kopiera till urklipp",
+  "clipboard.copied": "Kopierat till urklipp",
+  "edit.link.title": "Redigera sidan",
+  "footer.previous": "Föregående",
+  "footer.next": "Nästa",
+  "meta.comments": "Kommentarer",
+  "meta.source": "Källa",
+  "search.placeholder": "Sök",
+  "search.result.placeholder": "Skriv sökord",
+  "search.result.none": "Inga sökresultat",
+  "search.result.one": "1 sökresultat",
+  "search.result.other": "# sökresultat",
+  "search.tokenizer": "[\s\-]+",
+  "source.link.title": "Gå till datakatalog",
+  "toc.title": "Innehållsförteckning"
+}[key] }}{% endmacro %}

src/partials/language.html

@@ -21,7 +21,10 @@
 -->
 
 <!-- Normalize language configuration -->
+{% set languages = "en" %}
+{% if config and config.extra %}
   {% set languages = config.extra.language | default("en") %}
+{% endif %}
 {% if languages is string %}
   {% set languages = languages.split(",") | map("trim") %}
 {% endif %}

src/partials/language/pl.html

 <!--
   Copyright (c) 2016-2017 Martin Donath <martin.donath@squidfunk.com>
+
   Permission is hereby granted, free of charge, to any person obtaining a copy
   of this software and associated documentation files (the "Software"), to
   deal in the Software without restriction, including without limitation the
   rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   sell copies of the Software, and to permit persons to whom the Software is
   furnished to do so, subject to the following conditions:
+
   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.
+
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE

src/partials/language/sv.html

@@ -21,7 +21,6 @@ IN THE SOFTWARE.
 -->
 
 <!-- Translations: Swedish -->
-
 {% macro t(key) %}{{ {
   "language": "sv",
   "clipboard.copy": "Kopiera till urklipp",