%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-4-15 on page I-187 in "Further configuration possibilities".
%%
%% 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}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{csquotes,ulem}
\renewcommand\mktextins[1]{(\textit{#1})}
\renewcommand\mktextmod[1]{[\textellipsis #1]}
\renewcommand\mktextdel[1]{[\sout{#1}]}
%StopShownPreambleCommands

\begin{document}
Corr\textdel{r}ection: \\ \textins*{chemist} \\ \textins{sic}
\end{document}