{
	"id": "landmark-no-duplicate-main",
	"selector": "main:not([role]), [role=main]",
	"tags": ["cat.semantics", "best-practice"],
	"metadata": {
		"description": "Ensures the document has at most one main landmark",
		"help": "Document must not have more than one main landmark"
	},
	"all": [],
	"any": ["page-no-duplicate-main"],
	"none": []
}