ra=ashk
this fix modifies {Get,Set}NodeValue to check for whether the node is actually an instance
of a class that responds to {Get,Set}Value(String). If so, do it.
* This macro assumes the hard coded set of interfaces below all have a
* method in common, the name of which is specified by the _funcName
* param. Furthermore, it assumes the _funcName method takes a single
* argument, specified by the _funcArg param.
git-svn-id: svn://10.0.0.236/trunk@95147 18797224-902f-48f8-a5cc-f745e15eee43