On Monday, 22 Apr 2019 at 17:10, Roberto C. Sánchez wrote: > I don't think so. I just started using it a few months ago and I > actually never noticed the absence of close/quit menu options and/or > buttons until reading this thread. I've been using calibre for years and never noticed either! :-) I just leave it running as it serves books to my ebook reader. -- Eric S Fraga via Emacs 27.0.50 & org 9.2.3 on Debian buster/sid