Hello, all. Have you an idea where one could find the sources of the various versions of the ex/vi editor, besides those archived at TUHS: 1BSD/ex-1.1 2.11BSD/src/ucb/ex 2.9BSD/usr/src/ucb/ex/ex2 2.9BSD/usr/src/ucb/ex/ex3 2BSD/src/ex 3BSD/usr/src/cmd/ex 4.1cBSD/usr/src/ucb/ex 4.2BSD/usr/src/ucb/ex 4.3BSD-Reno/src/usr.bin/ex 4.3BSD-Tahoe/usr/src/ucb 4.3BSD-UWisc/src/ucb/ex 4.3BSD/usr/src/ucb/ex 4.4BSD/usr/src/usr.bin/ex 4BSD/usr/src/cmd/ex OpenSolaris_b135/cmd/vi There include vv. 1.1, 2.13, 3.2, 3.6, and many variants of 3.7. Has anything else been preserved to your knowledge?