HTMLDOC 1.9.23 is a bug fix release. Changes include:
- Fixed a regression in list handling that caused a crash for empty list items (Issue #553)
- Fixed a regression in the number of rendered table of contents levels in PDF and PostScript output (Issue #554)
Binaries are available from Github for Windows 10+ and macOS 11+, and through the Snapcraft store for Linux.
Enjoy!