typeDefinitions property optional?

Section 2.1.2 defines the typeDefinitions property as optional, but then
states that it contains the build-in simple types from Schema.  I think
the result is that it's really not optional at all.  Should we change it
to REQUIRED?

 

Also, we might also mention in the mapping that this is the minimum,
contrary to the minimum suggested there.

 

 [  Jonathan Marsh  ][  jmarsh@microsoft.com
<mailto:jmarsh@microsoft.com>   ][  http://spaces.msn.com/auburnmarshes
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