%% You should probably cite draft-gondwana-dkim2-mailversion instead of this I-D.
@techreport{gondwana-dkim2-modification-alegbra-04,
    number =    {draft-gondwana-dkim2-modification-alegbra-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-gondwana-dkim2-modification-alegbra/04/},
    author =    {Bron Gondwana},
    title =     {{A method for describing changes made to an email}},
    pagetotal = 8,
    year =      2025,
    month =     oct,
    day =       17,
    abstract =  {This memo describes a method for describing the changes made to an email during common email modifications, for example those caused by mailing lists and forwarders. While this is general enough to be used for any changes, it is anticipated that this method will normally be used for removing added data rather than large complex changes.},
}