define occupies process->st-region and let spans be process->t-region

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Could we add examples of usage explaining clearly the difference between those 
2 relations? I have trouble understanding the difference between both.

Original issue reported on code.google.com by mcour...@gmail.com on 28 Jun 2012 at 5:12

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spans is process->temporal, occupies is process->st-region.
spans is now subproperty of occupies

Original comment by alanruttenberg@gmail.com on 29 Jun 2012 at 10:53

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whoops meant occupies is process -> (st-region or t-region)

Since we have spans I think we should reduce to range to just st-region.

Finally, on nomenclature, trentelman et al uses 'spell' to be the relation of 
process to temporal region, and 'span' to be the relation of process to 
st-region. I think we should adopt those names and avoid 'occupies'

Original comment by alanruttenberg@gmail.com on 30 Jun 2012 at 3:45

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Clarified desired outcome for issue.

Original comment by alanruttenberg@gmail.com on 2 Jul 2012 at 2:28

• Changed title: define occupies process->st-region and let spans be process->t-region

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Changed as requested in most recent version of reference 

Original comment by alanruttenberg@gmail.com on 10 Jul 2012 at 4:00

• Changed state: Fixed-in-reference

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Original comment by alanruttenberg@gmail.com on 10 Jul 2012 at 4:00

• Changed state: Fixed