List folk:

In the MWE below, everything builds cleanly if the \setupdelimitedtext line is removed. With it removed, however, quote marks protrusion looks poor when nearby quote marks in non-quotation text is allowed to protrude. The happens when there is a citation in a footnote in the quoted text.

Is this a bug, or simply something not yet ready with the new regime, or am I doing something wrong?
% The next line should allow \startquotation to protrude quotes
\setupdelimitedtext[quotation][method=font]
% However, it causes the new bib code to fail when there is a
%   footnote containing a citation in the quote. See
%   http://www.mail-archive.com/ntg-context@ntg.nl/msg35580.html
\definefontfeature [default][protrusion=quality]
\setupalign        [hz,hanging]
\usebtxdataset     [xx.bib]
\starttext
\startparagraph\noindent
  There is a citation in the footnote to this standard paragraph\footnote{This footnote has a citation \cite[One].}
\stopparagraph
\startquotation[right]
  There is a citation in the footnote to this block quotation\footnote{This footnote has a citation \cite[Two].}
\stopquotation
\startparagraph\noindent
“There is a citation in the footnote to this standard paragraph\footnote{This footnote has a citation \cite[One].}”
\stopparagraph
\placelistofpublications
\stoptext
And the corresponding xx.bib file:
@BOOK{One,
  author       = {A. N. Author},
  title        = {A Book Title},
  year         = {2017},
  publisher    = {Self},
  address      = {sine loco},
}

@ARTICLE{Two,
  author       = {N. O. Author},
  title        = {A Pipe},
  journal      = {The Journal},
  year         = {2018},
  volume       = {32},
  number       = {3},
  pages        = {42--69},
}
--
Rik Kabel