As this seemed unsolvable, I had turned to xmind, but now I finally want to try freemind too. Thanks for your help.
also see https://sourceforge.net/p/freemind/discussion/22102/thread/8ee5e81f/
also see https://sourceforge.net/p/freemind/discussion/320014/thread/4a7c1fb1/
apt update results in W: GPG error: http://eric.lavar.de/comp/linux/debian testing/...
apt update results in W: GPG error: http://eric.lavar.de/comp/linux/debian testing/...
Thanks for your freemind. I have ALMOST succeeded in installing along your instructions....
Thanks for your freemind. I have ALMOST succeeded in installing along your instructions....