Prism.languages.brainfuck = {
  pointer: { pattern: /<|>/, alias: 'keyword' },
  increment: { pattern: /\+/, alias: 'inserted' },
  decrement: { pattern: /-/, alias: 'deleted' },
  branching: { pattern: /\[|\]/, alias: 'important' },
  operator: /[.,]/,
  comment: /\S+/,
};