%%
%% The LaTeX Companion, 3ed
%%
%% Example 11-7-2 on page II-196 in "Controlling the automatic sizing and spacing".
%%
%% 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{207.0pt}

%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
\[ b                     %% D
    ^0                   %% S
   +                     %% D
   \frac{(k + p)         %% T
         _{j'}           %% S'
         \displaystyle
         \pm             %% D
         \frac{(f + q)   %% T
               ^{(pk)    %% S
                 ^y      %% SS
                 _{j'}}} %% SS'
              {(h + y)}} %% T'
        {(l + q)         %% T'
         ^{(pk)}}        %% S'
\]
\end{document}