1\cdbreserved{indexbracket}{}
2
3Denotes a group of objects with indices which are collectively
4written, as in~\mbox{$(A + B + C)_{m n}$}.
5
6The default properties of \verb|\indexbracket| are
7\begin{verbatim}
8\indexbracket{#}::Distributable.
9\indexbracket{#}::IndexInherit.
10\end{verbatim}
11~
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