[Bug]: Incorrect or outdated content in "Differences between Babelfish and SQL Server"?

[rhbecker]

Describe the bug

There appears to be discrepancies between the Babelfish docs and AWS's Aurora docs for Babelfish, regarding which SQL Server features are currently supported. Is the former outdated, or is the latter incorrect?

As an example, built-in functions related to JSON ...

built-in function	Babelfish docs	Aurora docs
ISJSON	✔	✔ as of v1.2.1
JSON_ARRAY	unmentioned	unmentioned
JSON_MODIFY	❌	✔ as of v2.3.0
JSON_OBJECT	unmentioned	unmentioned
JSON_PATH_EXISTS	unmentioned	unmentioned
JSON_QUERY	✔	✔ as of v1.2.1
JSON_VALUE	✔	✔ as of v1.2.1
OPENJSON	❌	✔ as of v2.1.0

The Babelfish docs also list a JSON function as unsupported (❌), but I'm not aware of a built-in function with that name, and wonder if that's a typo, intending to represent one of the otherwise unmentioned built-in functions.

The Aurora docs also list FOR JSON among its table of built-in functions, which seems possibly misplaced (doesn't seem like a built-in function), but I at least appreciate that I can see it's supposedly supported (✔), as of v2.3.0.

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