Prism.languages.properties = {
  comment: /^[ \t]*[#!].*$/m,
  value: {
    pattern:
      /(^[ \t]*(?:\\(?:\r\n|[\s\S])|[^\\\s:=])+(?: *[=:] *(?! )| ))(?:\\(?:\r\n|[\s\S])|[^\\\r\n])+/m,
    lookbehind: true,
    alias: 'attr-value',
  },
  key: {
    pattern: /^[ \t]*(?:\\(?:\r\n|[\s\S])|[^\\\s:=])+(?= *[=:]| )/m,
    alias: 'attr-name',
  },
  punctuation: /[=:]/,
};