If I'm not mistaken, you can make any node of a hierarchy a namespace by modifying the corresponding schema: What this does is make the immediate children of that node recognized as part of the schema, even if they are not explicitly defined in the schema file. To my understanding, Nodetype is the type of the special note. So for journal notes,

NodeType

is journal, and for scratch notes it would be

Scratch

. I think it works this way because it's meant to be extensible to other special note types, but I'm not sure what the most current state of things is with that