Hi Jürgen, > tex4ebook -lm index -e mybuild.mk4 Test.tex > > https://drive.google.com/drive/folders/131oXr_4-VTni1VKwkjUXuiu9AdORvu7E?usp=sharing > > Unfortunately, the result seems to be the same. Unless I need to disable > indexing4ht somewhere else, other than by not using myconfig.cfg.
I can see the issue now. This was caused by a bug in make4ht indexing support. It used one .ind file to generate all indices. It should be fixed in the development version of make4ht now. Best regards, Michal