You are looking at the HTML representation of the JSON format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the JSON format, set format=json.
See the complete documentation, or API help for more information.
{
	"query": {
		"namespaces": {
			"-2": {
				"id": -2,
				"case": "first-letter",
				"*": "\u041c\u0435\u0434\u0438\u0430",
				"canonical": "Media"
			},
			"-1": {
				"id": -1,
				"case": "first-letter",
				"*": "\u0421\u043b\u0443\u0436\u0435\u0431\u043d\u0430\u044f",
				"canonical": "Special"
			},
			"0": {
				"id": 0,
				"case": "first-letter",
				"*": "",
				"content": ""
			},
			"1": {
				"id": 1,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435",
				"subpages": "",
				"canonical": "Talk"
			},
			"2": {
				"id": 2,
				"case": "first-letter",
				"*": "\u0423\u0447\u0430\u0441\u0442\u043d\u0438\u043a",
				"subpages": "",
				"canonical": "User"
			},
			"3": {
				"id": 3,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0430",
				"subpages": "",
				"canonical": "User talk"
			},
			"4": {
				"id": 4,
				"case": "first-letter",
				"*": "Wiki.tlib.ru",
				"canonical": "Project"
			},
			"5": {
				"id": 5,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 Wiki.tlib.ru",
				"subpages": "",
				"canonical": "Project talk"
			},
			"6": {
				"id": 6,
				"case": "first-letter",
				"*": "\u0424\u0430\u0439\u043b",
				"canonical": "File"
			},
			"7": {
				"id": 7,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u0444\u0430\u0439\u043b\u0430",
				"subpages": "",
				"canonical": "File talk"
			},
			"8": {
				"id": 8,
				"case": "first-letter",
				"*": "MediaWiki",
				"subpages": "",
				"canonical": "MediaWiki"
			},
			"9": {
				"id": 9,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 MediaWiki",
				"subpages": "",
				"canonical": "MediaWiki talk"
			},
			"10": {
				"id": 10,
				"case": "first-letter",
				"*": "\u0428\u0430\u0431\u043b\u043e\u043d",
				"canonical": "Template"
			},
			"11": {
				"id": 11,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u0448\u0430\u0431\u043b\u043e\u043d\u0430",
				"subpages": "",
				"canonical": "Template talk"
			},
			"12": {
				"id": 12,
				"case": "first-letter",
				"*": "\u0421\u043f\u0440\u0430\u0432\u043a\u0430",
				"canonical": "Help"
			},
			"13": {
				"id": 13,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u0441\u043f\u0440\u0430\u0432\u043a\u0438",
				"subpages": "",
				"canonical": "Help talk"
			},
			"14": {
				"id": 14,
				"case": "first-letter",
				"*": "\u041a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f",
				"canonical": "Category"
			},
			"15": {
				"id": 15,
				"case": "first-letter",
				"*": "\u041e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u0438",
				"subpages": "",
				"canonical": "Category talk"
			}
		}
	}
}