[NTG-context] epub-mkiv-demo.tex and Calibre 's epub reader

Hi all, With Debian, I created a /bin/mudraw $ cat /bin/mudraw #!/bin/sh mutool draw "$@" trying to compile the demo file: context epub-mkiv-demo.tex mtxrun --script epub --images epub-mkiv-demo.tex mtxrun --script epub --make epub-mkiv-demo the demo stopped just after by trying to open the file with Calibre 's epub reader : calibre, version 7.24.0 ERREUR : Error in message handler: Erreur inconnue Traceback (most recent call last): at IframeClient.handle_message (userscript:viewer.js:17726:21) at IframeBoss.display (userscript:viewer.js:29200:13) at unserialize_html (userscript:viewer.js:18491:33) TypeError: Cannot read properties of null (reading 'tag_map') Any clue ?