A recent rev of the trunk now defines b and h properties for
positions.  You can use p.b to get or set a node's body.  Similarly,
p.h gets or gets a node's headline.

For example, you can execute the following from the body text of any
node::

   print p.h
   print p.b
   p.b = p.b + '\n# new'
   p.h = p.h + 'z'

The code is taken directly from ipy_leo.py. I think this is a good
step forward.  I'll be documenting this soon.

Edward

P.S. At present, I don't think it would be a great idea to implement
similar properties for vnodes or tnodes: typical scripts should use
positions almost exclusively.  But I'll reconsider this choice if it
causes hardship.

EKR
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