What is the syntax of the svn: property values?

I've read the svn book and searched with google and cannot find a
precise
definition of the values that are accepted for the svn: properties.

THere are a number of mail messages where people have asked for the
syntax of svn:external for example without anyone responding with this
information.

Is there a spec for what is allowed? Or do I need to read the source
to find out?

I'm interested in the detail so that I can improve the properties
dialog in
pysvn WorkBench.

Barry

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Received on Wed Nov 29 22:39:35 2006