%%
%% The LaTeX Companion, 3ed
%%
%% Example 15-3-5 on page II-408 in "Managing the \protect \BibTeX {} and \protect \nxLPack {biber differences}".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See
https://www.latex-project.org/lppl.txt for details.
%%
\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{123.0pt}
% Use biber program
\makeatletter
\renewcommand\section{\@startsection{section}{1}{\z@}%
{-1.25ex \@plus-1ex \@minus-.2ex}%
{.5ex}%
{\normalfont\large\bfseries}}
\makeatother
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage[style=authoryear, uniquename=allfull]{biblatex}
\addbibresource{tlc-ex.bib}
\DeclareSourcemap{
\maps{
\map[overwrite]{
\step[fieldsource=author-biblatex,fieldtarget=author]
\step[fieldset=abstract,null]%suppress abstract
}}}
%StopShownPreambleCommands
\begin{document}
The author is \citename{sourcemap-test}[given-family]{author}
\end{document}
