Feature keyword is marked as required but there is test data with features withoud keyword

[elchupanebrej]

👓 What did you see?

I use jsonschema to generate code for messages and found that it couldn't work with https://github.com/cucumber/gherkin/blob/main/testdata/good/misc.feature.md.ast.ndjson

because Feature keyword is marked as required:

    "Feature": {
      "additionalProperties": false,
      "required": [
        "location",
        "tags",
        "language",
        "keyword",
        "name",
        "description",
        "children"
      ],

✅ What did you expect to see?

Make Feature keyword non-required or fix testdata

📦 Which tool/library version are you using?

Messages 22.0.0

📚 Any additional context?

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[mpkorstanje]

I'm moving this to the Gherkin repo. Looks like the Markdown parser doesn't set the feature keyword when the .feature.md file doesn't use a feature header and uses the document title instead. I would consider this a bug in the parser.