A: (gnats 3.1xx) The fields and their names are fixed in gnats 3.1xx, so this is not possible.
A: (gnats 4.x) Edit the file dbconfig to reflect your changes.
Note that the PR fields with the builtin-names
state are required if you want automatic
notify-about-expired-prs = true). In this case, the
file submitters must also contain a response time.
severity field is checked for values
priority for value
This is currently not configurable.