Function cleanup

static/editor.md/lib/codemirror/addon/lint/javascript-lint.js:34–40

(error)

  CodeMirror.registerHelper("lint", "javascript", validator);

  function cleanup(error) {
    // All problems are warnings by default
    fixWith(error, warnings, "warning", true);
    fixWith(error, errors, "error");

    return isBogus(error) ? null : error;
  }

  function fixWith(error, fixes, severity, force) {
    var description, fix, find, replace, found;