You could open two separate browser windows, but that will not result in a great user experience, either, I think.
right. I guess this task needs some serious programming skills, which i don't have right now.
do you know of a software, that could be used for that task?
maybe a plugin (to hack), that will enable this routine?
I was realy astounished, that there is no such a collaborative translation project in the field in 2020. There must something be done! :-D