wecuro_blog/wp-includes/blocks/block/block.json

{
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	"apiVersion": 3,
	"name": "core/block",
	"title": "Pattern",
	"category": "reusable",
	"description": "Create and save content to reuse across your site. Update the pattern, and the changes apply everywhere it’s used.",
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	"textdomain": "default",
	"attributes": {
		"ref": {
			"type": "number"
		}
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		"html": false,
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	}
}