Nothing
xW <- function(x, w=90, indent=5) {
n.lines <- (nchar(x) + (w-1)) %/% w
spc <- paste(rep(" ", indent), collapse = "")
b <- gregexpr(" ", x, fixed=TRUE)[[1]]
y <- ""
stop <- 0
for (i in 1:n.lines) {
start <- stop + 1
if (i < n.lines) {
k <- 1
while (!any(b >= i*w-k)) k <- k+1
stop <- b[which(b>=(i*w-k))[1]]
}
else
stop <- nchar(x)
y <- paste(y, substr(x, start, stop), sep="")
if (i < n.lines) y <- paste(y, "\n", spc, sep="")
}
return(y)
}
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