`C14N 2.0 <https://www.w3.org/TR/xml-c14n2/>`_ transformation function.
Canonicalization is a way to normalise XML output in a way that allows
- byte-by-byte comparisons and digital signatures. It reduced the freedom
+ byte-by-byte comparisons and digital signatures. It reduces the freedom
that XML serializers have and instead generates a more constrained XML
representation. The main restrictions regard the placement of namespace
declarations, the ordering of attributes, and ignorable whitespace.