---
elements:
- type: Checkboxgroup
name: foo
options:
- value: 1
label: 'First'
attributes:
myattr: 'escape&attr'
label_attributes:
myattr: 'escape&label'
container_attributes:
myattr: 'escape&container'
- value: 2
label: 'Second'
attributes_xml:
myattr: 'noescape&'