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From: Douglas McIlroy <douglas.mcilroy@dartmouth.edu>
Date: Sat, 2 Jul 2022 12:32:39 -0400
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Subject: [TUHS] Re: Typesetting Mathematics by Kernighan and Cherry, retypeset
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> I understand UNIX v7 is under this BSD-style license by Caldera Inc.
>  https://www.tuhs.org/Archive/Caldera-license.pdf

The eqn document by Kernighan and Cherry also appears in the v10
manual, copyright by AT&T and published as a trade book. Wouldn't  the
recent release of v10 also pertain to the manual?

Doug