xml-canonic
Make XML documents canonical.
TLDR
Make an XML document canonical, preserving comments
$ xml canonic [path/to/input.xml|URI] > [path/to/output.xml]
Make an XML document canonical, removing comments
$ xml canonic --without-comments [path/to/input.xml|URI] > [path/to/output.xml]
Make XML exclusively canonical, using an XPATH from a file, preserving comments
$ xml canonic --exc-with-comments [path/to/input.xml|URI] [path/to/c14n.xpath]
Display help for the canonic subcommand
$ xml canonic --help