All processing multiple documents in unitizing measures. This requires a method for
defining the boundaries of the documents within the shared continuum of annotations.
TODO:
* create test case illustrating the issue,
* add method for setting the boundaries,
* Split the gaps at the beginning/end of a document.
Originally reported on Google Code with ID 4
Reported by
chmeyer.de
on 2014-07-25 13:43:22