[tex4ht] Epub index entries with umlauts (and other special characters)

Michal Hoftich michal.h21 at gmail.com
Wed Sep 19 13:34:25 CEST 2018

Hello Jürgen,

> So... what am I still doing wrong?

The issue is of course with the diacritics. The text used in the index
entry is used in command definition used for cross-referencing.
Because you use TeX commands for diacritics (like \"o), it produces an
error. It works with direct Unicode characters (ö), so easiest
solution is to use Unicode. And Unicode engine, preferably LuaTeX:

tex4ebook -lm index -c myconfig.cfg -e mybuild.mk4 Test2.tex

should work.

Best regards,

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