!(function (e) {
  (e.languages.etlua = {
    delimiter: { pattern: /^<%[-=]?|-?%>$/, alias: 'punctuation' },
    'language-lua': { pattern: /[\s\S]+/, inside: e.languages.lua },
  }),
    e.hooks.add('before-tokenize', function (a) {
      e.languages['markup-templating'].buildPlaceholders(
        a,
        'etlua',
        /<%[\s\S]+?%>/g
      );
    }),
    e.hooks.add('after-tokenize', function (a) {
      e.languages['markup-templating'].tokenizePlaceholders(a, 'etlua');
    });
})(Prism);