apparently variable naming conventions never got added, document the prevailing convention.  Thanks to Dave Zarzycki for the patch.
apparently variable naming conventions never got added, document the
prevailing convention.  Thanks to Dave Zarzycki for the patch.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@137497 91177308-0d34-0410-b5e6-96231b3b80d8

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