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- ADL 2 (79k) - as a text format, by far the most space efficient, mainly because its constraint syntax (the {} part) is terse.
- ODIN full (189k) - the openEHR JSON equivalent. Here the 'full' version of the syntax including type markers is used. Notice that the terminology and description / meta-data parts are exactly the same as in ADL, which uses ODIN for these sections
- XML
- JSON (180k) - AOM type names are not included, but need to be.
- YAML (298k) - like ODIN and JSON, a human readable format. This form of YAML is whitespace-sensitive.
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