class Nokogiri::XML::ElementContent

possible content for the div1 tag.
ElementContent represents the binary tree inside the <!ELEMENT> tag shown above that lists the
</root>
]>
<!ELEMENT div1 (head, (p | list | note)*, div2*)>
<!DOCTYPE staff SYSTEM “staff.dtd” [
<?xml version=“1.0”?><?TEST-STYLE PIDATA?>
Represents the allowed content in an Element Declaration inside a DTD:
##

def children

Get the children of this ElementContent node
## 
def children
  [c1, c2].compact
end

def inspect_attributes 

def inspect_attributes
  [:prefix, :name, :type, :occur, :children]
end