Dear All,

I am wondering whether function arguments autocomplete causes a bug when 
additional ellipsis arguments are used.

Example:
a = function(robot) {
    cat(robot, "\n")
 }
a(r=5) prints 5, meaning that r is autocompleted to “robot”. Not sure if this 
is normal behavior, but this does not cause problems.

This would be fine, but somehow causes problems when there is an additional 
ellipsis argument that can be used to autocomplete an already existing 
argument. In the example below, when we are calling sens.analysis.all, 
everything starting with q is an additional argument (…). Now, k is missed 
completely. And that is because there is another actual argument that starts 
with k — key.legend.axes (it is assigned to 4 instead). If “k=4” is changed to 
“kk=4” the problem disappears.  

sens.analysis.all <- function(func, outgrid, parvec, parmin, parmax,
                              length.pgrid, outvname, zlim, plabs,
                              gridlab, mylog, outlog=FALSE, ytick=NULL,
                              xline=NULL, yline=NULL, mypal=topo.colors,
                              key.legend.axes=NULL, plot.guidance=FALSE, ... ) {

   cat(..1, "\n")
   cat(..2, "\n")
   cat(..3, "\n")
 
   out=1
   out
} 

out = sens.analysis.all(numer.wait.times.wrps, NA,
     c(5.4, 0.008, 1.5), c(4.9, 0.0079, 2.0), c(5.5, 0.0090, 3.5),
       length.pgrid=10, outvname="cvs", zlim=c(0.3, 2),
       plabs=c("mu", "lambda", "b"), gridlab="Soil Moisture [mm]",
       mylog=FALSE, outlog=FALSE, yline=2, plot.guidance=FALSE, q=3.1, k=4, 
y.c=670,
       realgrid=seq(630, 670, by=4), myseed=0,
       nt=1000000, burnin=300000, bin.cutoff=500,
       bdW.prelim=prec.struct.Mal)
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