ref: 9bc180134a6a2c2943f33f84a0d1b7aa9bf0072d 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