Binary package “xml-twig-tools” in ubuntu xenial

Command line tools for processing XML documents

 These tools are included:
  * xml_spellcheck : spellcheck XML files skipping tags
  * xml_merge : merge back files created by xml_split
  * xml_pp : XML pretty printer
  * xml_grep : grep XML files using XML::Twig's subset of XPath
  * xml_split : split big XML files