2. ran in /ami/data15/appion/11feb08k/stacks/sxisac4_stack, made a substack with a --keep-file option added manually. This page needs a field to specify a list file of particles to include 3. http://emg.nysbc.org/projects/appion/wiki/Create_Substack 4. current documentation is ok, --keep-file should be added once that's in Appion