Prism.languages.yaml = {
	'scalar': {
		pattern: /([\-:]\s*(![^\s]+)?[ \t]*[|>])[ \t]*(?:(\n[ \t]+)[^\r\n]+(?:\3[^\r\n]+)*)/,
		lookbehind: true,
		alias: 'string'
	},
	'comment': /#[^\n]+/,
	'key': {
		pattern: /(\s*[:\-,[{\n?][ \t]*(![^\s]+)?[ \t]*)[^\n{[\]},#]+?(?=\s*:\s)/,
		lookbehind: true,
		alias: 'atrule'
	},
	'directive': {
		pattern: /((^|\n)[ \t]*)%[^\n]+/,
		lookbehind: true,
		alias: 'important'
	},
	'datetime': {
		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)(\d{4}-\d\d?-\d\d?([tT]|[ \t]+)\d\d?:\d{2}:\d{2}(\.\d*)?[ \t]*(Z|[-+]\d\d?(:\d{2})?)?|\d{4}-\d{2}-\d{2}|\d\d?:\d{2}(:\d{2}(\.\d*)?)?)(?=[ \t]*(\n|$|,|]|}))/,
		lookbehind: true,
		alias: 'number'
	},
	'boolean': {
		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)(true|false)[ \t]*(?=\n|$|,|]|})/i,
		lookbehind: true,
		alias: 'important'
	},
	'null': {
		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)(null|~)[ \t]*(?=\n|$|,|]|})/i,
		lookbehind: true,
		alias: 'important'
	},
	'string': {
		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)("(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*')(?=[ \t]*(\n|$|,|]|}))/,
		lookbehind: true
	},
	'number': {
		pattern: /([:\-,[{]\s*(![^\s]+)?[ \t]*)[+\-]?(0x[\dA-Fa-f]+|0o[0-7]+|(\d+\.?\d*|\.?\d+)(e[\+\-]?\d+)?|\.inf|\.nan)[ \t]*(?=\n|$|,|]|})/i,
		lookbehind: true
	},
	'tag': /![^\s]+/,
	'important': /[&*][\w]+/,
	'punctuation': /([:[\]{}\-,|>?]|---|\.\.\.)/
};