/*
* call-seq:
* attribute(name)
*
* Get the attribute node with +name+
*/
static VALUE attr(VALUE self, VALUE name)
{
xmlNodePtr node;
xmlAttrPtr prop;
Data_Get_Struct(self, xmlNode, node);
prop = xmlHasProp(node, (xmlChar *)StringValuePtr(name));
if(! prop) return Qnil;
return Nokogiri_wrap_xml_node(Qnil, (xmlNodePtr)prop);
}