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Prism.languages.r = {
'comment': /#.*/,
'string': {
pattern: /(['"])(?:\\.|(?!\1)[^\\\r\n])*\1/,
greedy: true
},
'percent-operator': {
// Includes user-defined operators
// and %%, %*%, %/%, %in%, %o%, %x%
pattern: /%[^%\s]*%/,
alias: 'operator'
},
'boolean': /\b(?:TRUE|FALSE)\b/,
'ellipsis': /\.\.(?:\.|\d+)/,
'number': [
/\b(?:NaN|Inf)\b/,
/(?:\b0x[\dA-Fa-f]+(?:\.\d*)?|\b\d+\.?\d*|\B\.\d+)(?:[EePp][+-]?\d+)?[iL]?/
],
'keyword': /\b(?:if|else|repeat|while|function|for|in|next|break|NULL|NA|NA_integer_|NA_real_|NA_complex_|NA_character_)\b/,
'operator': /->?>?|<(?:=|<?-)?|[>=!]=?|::?|&&?|\|\|?|[+*\/^$@~]/,
'punctuation': /[(){}\[\],;]/
};
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