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MODIFY
versions/3.0.md
versions/3.0.md
@@ -96,8 +96,8 @@ The available status codes are defined by [RFC7231](http://tools.ietf.org/html/r
### Format
-The files describing the RESTful API in accordance with this specification are represented as JSON objects and conform to the JSON standards.
-YAML, being a superset of JSON, can be used as well to represent an OAS file.
+The files describing the RESTful API in accordance with this specification consist of JSON objects and conform to the JSON standards. An OAS file written in
+YAML, a superset of JSON, also complies with this specification.
For example, if a field has an array value, the JSON array representation will be used:
@@ -107,18 +107,18 @@ For example, if a field has an array value, the JSON array representation will b
}
```
-While the API is described using JSON, it does not impose a JSON input/output to the API itself.
+While the API is described using JSON, input to and output from the API is not required to be JSON.
All field names in the specification are **case sensitive**.
The schema exposes two types of fields: Fixed fields, which have a declared name, and Patterned fields, which declare a regex pattern for the field name.
-Patterned fields can have multiple occurrences as long as each has a unique name.
+Multiple occurrences of patterned fields need to have unique names.
In order to preserve the ability to round-trip between YAML and JSON formats, YAML version [1.2](http://www.yaml.org/spec/1.2/spec.html) is recommended along with some additional constraints:
-- Tags MUST be limited to those allowed by the [JSON Schema ruleset](http://www.yaml.org/spec/1.2/spec.html#id2803231)
-- Keys used in YAML maps MUST be limited to a scalar string, as defined by the [YAML Failsafe schema ruleset](http://yaml.org/spec/1.2/spec.html#id2802346)
+- Tags MUST be limited to those allowed by the [JSON Schema ruleset](http://www.yaml.org/spec/1.2/spec.html#id2803231).
+- Keys used in YAML maps MUST be limited to a scalar string, as defined by the [YAML Failsafe schema ruleset](http://yaml.org/spec/1.2/spec.html#id2802346).
### <a name="fileStructure"></a>File Structure

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