The formal parameter names of a known signature, ready for RFunctionCall.matchArgumentsToParameters: the ... parameter is excluded so partial (pmatch) matches against the remaining names stay unambiguous.
RFunctionCall.matchArgumentsToParameters
...
pmatch
The formal parameter names of a known signature, ready for
RFunctionCall.matchArgumentsToParameters: the...parameter is excluded so partial (pmatch) matches against the remaining names stay unambiguous.