==== BEFORE ====
zerox@penny:~$ sudo update-alternatives --display editor
editor - manual mode
link currently points to /usr/bin/vim.tiny
/bin/ed - priority -100
slave editor.1.gz: /usr/share/man/man1/ed.1.gz
/bin/nano - priority 40
slave editor.1.gz: /usr/share/man/man1/nano.1.gz
/usr/bin/vim.basic - priority 30
slave editor.1.gz: /usr/share/man/man1/vim.1.gz
slave editor.fr.1.gz: /usr/share/man/fr/man1/vim.1.gz
slave editor.it.1.gz: /usr/share/man/it/man1/vim.1.gz
slave editor.ja.1.gz: /usr/share/man/ja/man1/vim.1.gz
slave editor.pl.1.gz: /usr/share/man/pl/man1/vim.1.gz
slave editor.ru.1.gz: /usr/share/man/ru/man1/vim.1.gz
/usr/bin/vim.tiny - priority 10
slave editor.1.gz: /usr/share/man/man1/vim.1.gz
slave editor.fr.1.gz: /usr/share/man/fr/man1/vim.1.gz
slave editor.it.1.gz: /usr/share/man/it/man1/vim.1.gz
slave editor.ja.1.gz: /usr/share/man/ja/man1/vim.1.gz
slave editor.pl.1.gz: /usr/share/man/pl/man1/vim.1.gz
slave editor.ru.1.gz: /usr/share/man/ru/man1/vim.1.gz
Current 'best' version is '/bin/nano'.
==== AFTER ====
I want to change the priority values, and add another alternative "vim". without changing current options or their slaves...
/bin/ed - priority -100
slave editor.1.gz: /usr/share/man/man1/ed.1.gz
/bin/nano - priority 10
slave blah blah
/usr/bin/vim.basic - priority 20
slave blah blah
/usr/bin/vim.tiny - priority 30
slave blah blah...
/usr/bin/vim - priority 100
slave blah blah