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I am using the imakeidx package to generate an index for some course notes. The problem is that the document uses a different page numbering system: it is divided into "lectures" and numbers the pages within the lecture

\numberwithin{page}{lecture}

This causes imakeidx (and plain makeidx) to quit working. Any thoughts for how I can get around this?

Edit: here is a minimal example:

\documentclass{article}
\usepackage{amsmath}
\usepackage{imakeidx}
\makeindex
\numberwithin{page}{section}
\begin{document}
Test\index{Test1}
\printindex
\end{document}

Compiling this produces no errors but does not generate an index. Commenting out line number 5 (\numberwithin{page}{section}) causes the index to be generated.

  • quit working is not really helpful. Can you provide us with a minimal working document that shows this feature? – user31729 Mar 11 '16 at 19:42
  • Sure. See edited post. – Mr.P Mar 14 '16 at 18:11
  • MakeIndex is not able to deal with complex page numbers, so it rejects entries with something like 1.2 as page number. Do you plan to have subitems? – egreg Mar 14 '16 at 19:04
  • egreg: It would be great to have the option for subitems in the index. However I'll settle for not having them if necessary. – Mr.P Mar 15 '16 at 14:40
  • This is a MakeIndex problem. – egreg Feb 8 '17 at 21:19
1

It is possible to provide some support for sorting even for page numbers that aren't just normal figures, but setting the page_compositor "." tag in a makeindex .ist file, assuming that no more than one dot occurs in the output.

The document writes a pagesection.ist index style file with the relevant settings and uses imakeidx with the options=-s pagesection.ist key to apply this file to the makeindex run.

\documentclass{article}
\usepackage{amsmath}
\usepackage{imakeidx}
\usepackage{blindtext}


\makeindex[name=pagesection,title={List of something},options=-s pagesection.ist]

\begin{filecontents}{pagesection.ist}
page_precedence "nrRAa"
page_compositor "."
\end{filecontents}

\numberwithin{page}{section}
\begin{document}

\section{Foo section}
Test\index[pagesection]{Test1}
\index[pagesection]{Test2}
\index[pagesection]{foo!bar}


\blindtext[5]
\index[pagesection]{Test2}

\blindtext[10]

\index[pagesection]{foo!bar}

\printindex[pagesection]
\end{document}

enter image description here

A related question is Index by section.subsection

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