THINK C 6.0 comes with Apple's SourceServer which will do what you want. If
you are using MPW, and I guess you aren't, then you can use its Projector
version control. Also, I know RCS has been ported to the Mac (maybe just
as MPW tools though).

  ** Ken **
>
>In fooling with the booter, I've come to want some sort of source code
>control system like CVS or RCS for MacOS.  Has anyone heard tales of
>such a beast?

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