I am working in an old Domino web application and to my surprise it is now very easy to upload several files in one go.
I remember it used to be such a hassle, but now with evolved HTML and modern browsers, it is so easy...and of course Domino supporting it.
This is a companion discussion topic for the original entry at https://www.nevermind.dk/nevermind/blog.nsf/subject/old-school-domino-web-dev---a-very-simple-way-to-upload-multiple-files-just-one-word