Prism.languages.ocaml = {
	'comment': /\(\*[\s\S]*?\*\)/,
	'string': [
		{
			pattern: /"(?:\\.|[^\\\r\n"])*"/,
			greedy: true
		},
		{
			pattern: /(['`])(?:\\(?:\d+|x[\da-f]+|.)|(?!\1)[^\\\r\n])\1/i,
			greedy: true
		}
	],
	'number': /\b(?:0x[\da-f][\da-f_]+|(?:0[bo])?\d[\d_]*\.?[\d_]*(?:e[+-]?[\d_]+)?)/i,
	'directive': {
		pattern: /\B#\w+/,
		alias: 'important'
	},
	'label': {
		pattern: /\B~\w+/,
		alias: 'function'
	},
	'type_variable': {
		pattern: /\B'\w+/,
		alias: 'function'
	},
	'variant': {
		pattern: /`\w+/,
		alias: 'variable'
	},
	'module': {
		pattern: /\b[A-Z]\w+/,
		alias: 'variable'
	},
	// For the list of keywords and operators,
	// see: http://caml.inria.fr/pub/docs/manual-ocaml/lex.html#sec84
	'keyword': /\b(?:as|assert|begin|class|constraint|do|done|downto|else|end|exception|external|for|fun|function|functor|if|in|include|inherit|initializer|lazy|let|match|method|module|mutable|new|nonrec|object|of|open|private|rec|sig|struct|then|to|try|type|val|value|virtual|when|where|while|with)\b/,
	'boolean': /\b(?:false|true)\b/,
	// Custom operators are allowed
	'operator': /:=|[=<>@^|&+\-*\/$%!?~][!$%&*+\-.\/:<=>?@^|~]*|\b(?:and|asr|land|lor|lsl|lsr|lxor|mod|or)\b/,
	'punctuation': /[(){}\[\]|_.,:;]/
};