\begin{filecontents*}{deepidx.xdy} (markup-locref :open "\hyperpage{" :close "}") (markup-index :open "~n\begin{theindex}~n" :close "~n\end{theindex}~n" :tree ) (markup-indexentry :open "~n \indexspace~n \item " :depth 0) (markup-indexentry :open "~n \sssubitem " :depth 3) (markup-indexentry :open "~n \sssssubitem " :depth 4) (markup-indexentry :open "~n \sssssssubitem " :depth 5) (markup-keyword :open "\needspace{2\baselineskip}~n\protect\capitalizewords[q]{" :close "}{\large\headingfamily\bfseries\color{\primarycolor}\thestring}" :depth 0) \end{filecontents*} \long\def\lettergroup#1\item{\needspace{2\baselineskip}\item} \let\lettergroupDefault\lettergroup