Function dialog

static/js/codemirror/keymap/vim.js:1937–1944

(cm, text, shortText, callback, initialValue)

      return vim.searchState_ || (vim.searchState_ = new SearchState());
    }
    function dialog(cm, text, shortText, callback, initialValue) {
      if (cm.openDialog) {
        cm.openDialog(text, callback, { bottom: true, value: initialValue });
      }
      else {
        callback(prompt(shortText, ""));
      }
    }
    function findUnescapedSlashes(str) {
      var escapeNextChar = false;
      var slashes = [];