A submission was uploaded to CTAN:

Name of contribution: Update of labbook Suggested location on CTAN: macros/latex/contrib/labbook Summary description: Typeset laboratory journals. License type: LaTeX Project

Announcement text:

From the description:

labbook.cls - a document class that produces an index of sectioning commands

This class is designed to typeset laboratory journals that contain chronologically ordered records about experiments. From the sectioning commands, an experiment index is generated. The class is based on the KOMA-Script class scrbook.cls.

The update fixes some annoying bugs and introduces some new features. First of all, there can now be several index entries for one experiment

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Thanks for the update, I installed it.

For the CTAN Team Rainer Schöpf