Nothing
tangleR = xxx_getRCode = # conflicts with getRCode in xmlInternalSource.R
function(doc, tags = c("code", "plot", "function"), out = gsub("\\.[a-zA-Z]+$", ".R", docName(doc)))
{
if(is.character(doc))
doc = xmlParse(doc)
xp = sprintf("//r:%s[not(@eval='false') and not(ancestor::section[@eval='false'])]",
tags)
code = xpathSApply(doc, paste(xp, collapse = " | "), xmlValue, namespaces = c("r" = "http://www.r-project.org"))
if(length(out) && !is.na(out)) {
cat(code, sep = "\n", file = out)
out
} else
code
}
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