ref: 6949cc1d5185d10de1c78e5a10526b2949f3e35a dir: /testdir/test12.ok/
first line Xtest1.swp under Xtest1.swp under under Xtest1.swp under Xtest1.swp Xtest3 under Xtest3 Xtest3.swp under Xtest3.swp