%%
%% The LaTeX Companion, 3ed
%%
%% Example 9-5-14 on page I-703 in "Altering the subencoding setup for individual glyphs".
%%
%% 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{111.0pt}

  \renewcommand\rmdefault{cmr}

  \setlength\parindent{0pt}

%StartShownPreambleCommands
\usepackage[rm]{quattrocento} \usepackage{overlock}
\DeclareTextSymbolDefault{\textflorin}{TS1}
\DeclareTextSymbolDefault{\textcurrency}{TS1}
%StopShownPreambleCommands

\begin{document}
      Quattrocento: 3\textflorin\ and \textcurrency

\sffamily Overlock: 5\textflorin\ and \textcurrency\ oops
\end{document}