Dmitry Cousin

# User Story: As OSCAL adopting security professional I need to author/tailor OSCAL catalog/profile to the needs of my project/system/organization. I need to modify catalog structure, content, and control grouping...

Catalog/Group from Metaschema is interpreted differently in XSD and JSON-Schema

11

### Describe the bug ## Metachema [definition](https://github.com/usnistgov/OSCAL/blob/main/src/metaschema/oscal_catalog_metaschema.xml) Metaschema defines the top-level catalog/group (recursing by refs) as follows (note; it is a `choice` without attributes): ``` ``` I assume that the...