1 First chapter
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Text and then index entries

* Index:
* ! entry in node: 1 First chapter.
* a concept in first: 1 First chapter.
* another: 1.1 Section 1.
* entry a: split indices.
* entry after printindex: 1 First chapter.
* entry in node: 1 First chapter.
* entry in node: 1 First chapter.
