also, current schema for journal. wouldn't be feasible without the

pattern

attribute

yml
# schema for journals
# the following schema will match the follwoing
# 
# journal
# journal.2020
# journal.2020.09
# journal.2020.09.12
# journal.2020.09.12.foo.md

version: 1
schemas:
- id: journal
  title: journal
  desc: ""
  parent: root
  children:
    - year
- id: year
  title: year
  pattern: "[0-2][0-9][0-9][0-9]"
  children: 
    - month
- id: month
  title: month
  pattern: "[0-9][0-9]"
  children: 
    - day
- id: day
  title: day
  pattern: "[0-9][0-9]"
  namespace: true