@quotation
People sometimes ask me if it is a sin in the Church of Emacs to use
vi. Using a free version of vi is not a sin; it is a penance. So happy
hacking.
@author Richard Stallman
@end quotation
R.W. Noack, T. Kadanthot, An Octree based overset mesh hole cutting method, in: Proceedings of the 8th International Conference On Numerical Mesh Generation in Computational Field Simulations, Honolulu, HI, 2002, pp. 783–792
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