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Note that splitting into single characters can be done \emph{via}
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Note that splitting into single characters can be done \emph{via}
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\code{split = character(0)} or \code{split = ""}; the two are
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\code{split = character(0)} or \code{split = ""}; the two are
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equivalent. The definition of \sQuote{character} here depends on the
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equivalent. The definition of \sQuote{character} here depends on the
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locale: in a single-byte locale it is a byte, and in a multi-byte
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locale: in a single-byte locale it is a byte, and in a multi-byte
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locale it is the unit represented by a \sQuote{wide character} (almost
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locale it is the unit represented by a \sQuote{wide character} (almost
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always a Unicode point).
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always a Unicode code point).
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A missing value of \code{split} does not split the corresponding
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A missing value of \code{split} does not split the corresponding
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element(s) of \code{x} at all.
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element(s) of \code{x} at all.
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The algorithm applied to each input string is
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The algorithm applied to each input string is
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