You are looking at the HTML representation of the YAML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information.
{
	"query": {
		"namespaces": {
			"-2": {
				"id": -2,
				"case": "first-letter",
				"*": "M\u00e9dia",
				"canonical": "Media"
			},
			"-1": {
				"id": -1,
				"case": "first-letter",
				"*": "Sp\u00e9cial",
				"canonical": "Special"
			},
			"0": {
				"id": 0,
				"case": "first-letter",
				"*": "",
				"content": ""
			},
			"1": {
				"id": 1,
				"case": "first-letter",
				"*": "Discussion",
				"subpages": "",
				"canonical": "Talk"
			},
			"2": {
				"id": 2,
				"case": "first-letter",
				"*": "Utilisateur",
				"subpages": "",
				"canonical": "User"
			},
			"3": {
				"id": 3,
				"case": "first-letter",
				"*": "Discussion utilisateur",
				"subpages": "",
				"canonical": "User talk"
			},
			"4": {
				"id": 4,
				"case": "first-letter",
				"*": "Spinoza et Nous",
				"canonical": "Project"
			},
			"5": {
				"id": 5,
				"case": "first-letter",
				"*": "Discussion Spinoza et Nous",
				"subpages": "",
				"canonical": "Project talk"
			},
			"6": {
				"id": 6,
				"case": "first-letter",
				"*": "Fichier",
				"canonical": "File"
			},
			"7": {
				"id": 7,
				"case": "first-letter",
				"*": "Discussion fichier",
				"subpages": "",
				"canonical": "File talk"
			},
			"8": {
				"id": 8,
				"case": "first-letter",
				"*": "MediaWiki",
				"subpages": "",
				"canonical": "MediaWiki"
			},
			"9": {
				"id": 9,
				"case": "first-letter",
				"*": "Discussion MediaWiki",
				"subpages": "",
				"canonical": "MediaWiki talk"
			},
			"10": {
				"id": 10,
				"case": "first-letter",
				"*": "Mod\u00e8le",
				"canonical": "Template"
			},
			"11": {
				"id": 11,
				"case": "first-letter",
				"*": "Discussion mod\u00e8le",
				"subpages": "",
				"canonical": "Template talk"
			},
			"12": {
				"id": 12,
				"case": "first-letter",
				"*": "Aide",
				"canonical": "Help"
			},
			"13": {
				"id": 13,
				"case": "first-letter",
				"*": "Discussion aide",
				"subpages": "",
				"canonical": "Help talk"
			},
			"14": {
				"id": 14,
				"case": "first-letter",
				"*": "Cat\u00e9gorie",
				"canonical": "Category"
			},
			"15": {
				"id": 15,
				"case": "first-letter",
				"*": "Discussion cat\u00e9gorie",
				"subpages": "",
				"canonical": "Category talk"
			},
			"100": {
				"id": 100,
				"case": "first-letter",
				"*": "Portail",
				"canonical": "Portail"
			},
			"101": {
				"id": 101,
				"case": "first-letter",
				"*": "Discussion Portail",
				"canonical": "Discussion Portail"
			},
			"274": {
				"id": 274,
				"case": "first-letter",
				"*": "Widget",
				"canonical": "Widget"
			},
			"275": {
				"id": 275,
				"case": "first-letter",
				"*": "Widget talk",
				"subpages": "",
				"canonical": "Widget talk"
			}
		}
	}
}