Hello list, I am trying to compile example epub file epub-mkiv-demo.tex which is provided with the recent beta, however I'm getting following errors when I run:mtxrun --script epub --make "epub-mkiv-demo" resolvers | trees | analyzing 'home:texmf' mtx-epub | using specification file 'epub-mkiv-demo-export/epub-mkiv-demo-pub.lua' mtx-epub | the 'mudraw' binary is not present mtx-epub | cover page image 'cover.xhtml' is not present mtx-epub | saving dummy coverpage to 'epub-mkiv-demo-export/cover.xhtml'...42015/tex/texmf-context/scripts/context/lua/mtx-epub.lua:606: bad argument #1 to 'gsub' (string expected, got nil) No epub file is generated. Any help would be greatly appreciated Piotr -- http://okle.pl