为什么由万花筒App创建的文件处于隔离状态？

I like to use Kaleidoscope (v 2.1.0 - build 133.01 under Mac OS X 10.8.5) to compare 2 directories. But, when I create files by copying them from a directory to another using Kaleidoscope, (e.g., when a file is missing in one of the two directories), the f...