Version:           3.4.1 (using KDE 3.4.1, Gentoo)
Compiler:          gcc version 3.4.3 20041125 (Gentoo Linux 3.4.3-r1, ssp-3.4.3-0, pie-8.7.7)
OS:                Linux (i686) release 2.6.10-nitro4

Hi,
I'm trying to share a todo list between local users, to do this I have exported my todo list '/usr/local/share/shared.todo.ics' from one user 'user1' 
and change the group of to '/usr/local/share/shared.todo.ics' 'commongroup', so the file looks like this

ls -l /usr/local/share/shared.todo.ics
-rw-rw---T user1 commongroup /usr/share/shared.todo.ics

I've then opened the todo list under another user 'user2'

but when I try to save the todo list I get an error 'error while saving /usr/local/share/shared.todo.ics'

and in /usr/local/share/ a new file is created

ls -l /usr/local/share/shared.todo.ics*
-rw-rw---T user1 commongroup /usr/share/shared.todo.ics
-rw-rw---T user2 commongroup /usr/share/shared.todo.ics~


after that I get a different error message when I try to change the file 
'Unable to edit instance: it is locked by another process'

if I 
chown user2 /usr/share/shared.todo.ics
I can save the file again.

so the problem is that KOrganizer isn't obeying the file permissions properly.