remark/cli.js

#!/usr/bin/env node
console.error([
  'Whoops, `remark` is mistakenly installed instead of `remark-cli`',
  '',
  '    npm uninstall remark',
  '    npm install remark-cli',
  '',
  'See https://git.io/vonyG for more information.'
].join('\n'));

process.exit(1);