Hi Dennis: One of  function argument matching rules in R that  arguments
after the dotdotdot have to be matched exactly ( see code for paste below )
so that's why your attempt doesn't work. But I would have been surprised
also so I'm not trying to imply that one should know which functions have
arguments after dotdotdot and which don't.

#=============================================================

paste
function (..., sep = " ", collapse = NULL)
.Internal(paste(list(...), sep, collapse))
<bytecode: 0x01ea9ec4>
<environment: namespace:base>



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