Finally, the properties.
- If a property has already been defined on an item, then it is an
- error to try to redefine it.
+ Usually, if a property has already been defined on an item, then
+ it is an error to try to redefine it. But some properties are
+ list-like: the values are accumulated into a single list.
Mostly, properties are written to corresponding assignments in
the generated Secnet configuration file, . The entries below