Function isWhiteSpaceString

static/js/codemirror/keymap/vim.js:304–306

(k)

      return whiteSpaceRegex.test(k);
    }
    function isWhiteSpaceString(k) {
      return (/^\s*$/).test(k);
    }
    function inRangeInclusive(x, start, end) {
      return x >= start && x <= end;
    }