Extended maintenance of Ruby 1.9.3 ended on February 23, 2015. Read more
provides a unified clone operation, for REXML::XPathParser to use across multiple
Object+ types
# File rexml/xpath_parser.rb, line 32
def dclone
klone = self.clone
klone.clear
self.each{|v| klone << v.dclone}
klone
end