Re: Versoning functionality: Subversion

From: roger gregory (
Date: Thu Apr 05 2001 - 02:37:41 PDT

Eugene Eric Kim wrote:We need a version control system for structured documents. However, it's

> not clear that a differencing-style version control system is adequate for
> the OHS's needs. Most likely, versioning will have to be tied to the
> editing system.

I'm afraid it's not that simple, in the Xanadu system we designed everything to have an extra
level of indirection provided by permutation matrices to allow versioning and transclusion.
This required a unified address space so that all documents and versions could share
the same "stuff".

It seems to me that versions (and transclusion) have to be designed in from the getgo, though this
may not have a great effect on the rest of the design, it does seem foundational.

 Roger Gregory
 75 Melba
 San Francisco ca 94132
 415 664-6850 the software but not the name!

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