ksp-dc10.gpg: verified keyring of all files (from party organiser)
ksp.txt: verified form with all keys; the entries in which the hash ('#')
before the number entry has been removed are those that will be signed

gpg --import ksp-dc10.gpg # imports all public keys
./convert-form-to-one-line-per-entry.py <ksp.txt  >to-sign.txt

# review names whose keys are to be signed

./verify-fingerprints.py  | tee keyids-with-verified-fingerprints.txt
keyids=$(awk '/ ok$/ {print $1}' keyids-with-verified-fingerprints.txt)

# (setup gpg-agent)

# replace -m and -s values as appropriate
pius -m sez@debian.org -a -e -s 0ED6122A  $keyids