%%
%% The LaTeX Companion, 3ed
%%
%% Example 4-1-30 on page I-277 in "Inline lists".
%%
%% 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{135.0pt}
%StartShownPreambleCommands
\usepackage[inline]{enumitem} \newlist{inenum}{enumerate*}{1}
\setlist[inenum]{label=(\alph*),before={{\unskip: }},
                 itemjoin={{; }},itemjoin*={{ and }}}
%StopShownPreambleCommands

\begin{document}
\ldots\ text before \begin{inenum} \item one
          \item two \item three \end{inenum} and more text.
\end{document}