Fixes for some potential problems with system elements and the existing functions in this file which were written with simple elements in mind.
Fixes for some potential problems with system elements and
the existing functions in this file which were written with simple
elements in mind.


git-svn-id: 31d9d2f6432a47c86a3640814024c107794ea77c@1764 0785d39b-7218-0410-832d-ea1e28bc413d

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