expand(1) on OpenBSD
The text d2ce861bc051, as OpenBSD 3.3, OpenBSD 3.2, OpenBSD 3.1, OpenBSD 3.0, OpenBSD 2.9, OpenBSD 2.8, OpenBSD 2.7 shipped it.
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-a
The text d2ce861bc051, as OpenBSD 3.3, OpenBSD 3.2, OpenBSD 3.1, OpenBSD 3.0, OpenBSD 2.9, OpenBSD 2.8, OpenBSD 2.7 shipped it.
expand tabs to spaces, and vice versa
-a