I would like to know whether it is possible to change the giveninits option of BibLaTeX within the document, when having several bibliographies. In the MWE below I have two separate bibliographies in two refsegments. I would like the first to use full first names of the authors (giveninits=false), while the second should abbreviate first names to their initials (giveninits=true). newrefcontext does not seem to work for this.


  author = {Noemi Aguilera-Franco and Ulises Hern\'{a}ndez-Romano and Peter A.
  year = {2001},
  title = {Biostratigraphy and Environmental Changes Across the {Cenomanian--Turonian}
    Boundary, Southern {Mexico}},
  journal = {Journal of South American Earth Sciences},
  volume = {14},
  number = {2},
  pages = {237--255},
  doi = {10.1016/S0895-9811(01)00014-1}

  author = {Dirk W. H. Krautwig and Lukas Hottinger and Heinrich Zankl},
  year = {1998},
  title = {The Lamellar-Perforate, Arborescent and Coloured Foraminifers \textit{Miniacina},
    \textit{Homotrema}, and \textit{Sporadotrema}},
  journal = {Facies},
  volume = {38},
  pages = {89--102},
  doi = {10.1007/BF02537359}

\section{A section}
Test \textcite{Aguilera-Franco:2001} and \textcite{KrautwigEtAl:1998}.


\section{Another section}
Test \textcite{Aguilera-Franco:2001}.

%\newrefcontext{inits} %DOES NOT WORK

Just issue


after the \newrefcontext.

The manual lists only sorting, sortingnamekeyscheme and labelprefix among the options that can be passed to \DeclareRefcontext. So you can't use giveninits there.

But giveninits=true only sets the toggle abx@bool@#1inits, so simply toggling it to true should give the expected result.

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