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More on: Structuring longer documents

Making an index

Depending on the type of document you are writing, you might want to include an index. This is a bit like making a bibliography, as it uses auxiliary files. Luckily, this is all automated by the imakeidx package. We need three instructions to LaTeX:

• The \makeindex command, which enables creation of an index
• The \index command, which marks up index entries
• The \printindex command, which prints the index

\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage{imakeidx}
\makeindex
\begin{document}
Some text about Foo\index{foo}.
More text\index{baz!bar}.
Even more text\index{alpha@$\alpha$}.
More text about a different part of baz\index{baz!wibble}.

\clearpage
Some text about Foo\index{foo} again, on a different page.
Even more text\index{beta@$\beta$}.
Even more text\index{gamma@$\gamma$}.
\printindex
\end{document}

We’ve shown two features of indexing here: subdivision using !, and printing something different from the ‘sort text’ of an index entry using @. There is a lot of customisation possible with an index; try out the example and see how it works.

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