%% You should probably cite rfc9839 instead of this I-D.
@techreport{bray-unichars-07,
    number =    {draft-bray-unichars-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-bray-unichars/07/},
    author =    {Tim Bray and Paul E. Hoffman},
    title =     {{Unicode Character Repertoire Subsets}},
    pagetotal = 10,
    year =      2023,
    month =     oct,
    day =       12,
    abstract =  {This document discusses specifying subsets of the Unicode character repertoire for use in protocols and data formats.},
}