xml schema diff utility.

usage:
        xsddiff -e localname [-n namespaceuri] -p <xsdfile>
        xsddiff -e localname [-n namespaceuri] -d <xsdfile1> <xsdfile2>
        xsddiff -r <xsdfile>

where options are:
  -p <xsdfile>              prints canonical representation of schema element
  -d <xsdfile1> <xsdfile2>  prints diff of schema element in 2 xsd files
  -r <xsdfile>              prints all dependent schemas of given xsd file
  -e                        local part of element name
  -n                        namespace uri of element
  -h                        prints this help message