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Prism.languages.nim = {
	'comment': /#.*/,
	// Double-quoted strings can be prefixed by an identifier (Generalized raw string literals)
	// Character literals are handled specifically to prevent issues with numeric type suffixes
	'string': {
		pattern: /(?:(?:\b(?!\d)(?:\w|\\x[8-9a-fA-F][0-9a-fA-F])+)?(?:"""[\s\S]*?"""(?!")|"(?:\\[\s\S]|""|[^"\\])*")|'(?:\\(?:\d+|x[\da-fA-F]{2}|.)|[^'])')/,
		greedy: true
	},
	// The negative look ahead prevents wrong highlighting of the .. operator
	'number': /\b(?:0[xXoObB][\da-fA-F_]+|\d[\d_]*(?:(?!\.\.)\.[\d_]*)?(?:[eE][+-]?\d[\d_]*)?)(?:'?[iuf]\d*)?/,
	'keyword': /\b(?:addr|as|asm|atomic|bind|block|break|case|cast|concept|const|continue|converter|defer|discard|distinct|do|elif|else|end|enum|except|export|finally|for|from|func|generic|if|import|include|interface|iterator|let|macro|method|mixin|nil|object|out|proc|ptr|raise|ref|return|static|template|try|tuple|type|using|var|when|while|with|without|yield)\b/,
	'function': {
		pattern: /(?:(?!\d)(?:\w|\\x[8-9a-fA-F][0-9a-fA-F])+|`[^`\r\n]+`)\*?(?:\[[^\]]+\])?(?=\s*\()/,
		inside: {
			'operator': /\*$/
		}
	},
	// We don't want to highlight operators inside backticks
	'ignore': {
		pattern: /`[^`\r\n]+`/,
		inside: {
			'punctuation': /`/
		}
	},
	'operator': {
		// Look behind and look ahead prevent wrong highlighting of punctuations [. .] {. .} (. .)
		// but allow the slice operator .. to take precedence over them
		// One can define his own operators in Nim so all combination of operators might be an operator.
		pattern: /(^|[({\[](?=\.\.)|(?![({\[]\.).)(?:(?:[=+\-*\/<>@$~&%|!?^:\\]|\.\.|\.(?![)}\]]))+|\b(?:and|div|of|or|in|is|isnot|mod|not|notin|shl|shr|xor)\b)/m,
		lookbehind: true
	},
	'punctuation': /[({\[]\.|\.[)}\]]|[`(){}\[\],:]/
};