The "R Language Definition" at http://cran.r-project.org/doc/manuals/R-lang.html states in the following section
4.3.2 Argument matching This subsection applies to closures but not to primitive functions. What are 'closures'? [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.