doc: Fix spelling error in macro tutorial
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@ -115,7 +115,7 @@ to transcribe into the macro expansion; its type need not be repeated.
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The right-hand side must be enclosed by delimiters, which are ignored by the
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transcriber (therefore `() => ((1,2,3))` is a macro that expands to a tuple
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expression, `() => (let $x=$val)` is a macro that expands to a statement, and
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`() => (1,2,3)` is a macro that expands to a syntax errror).
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`() => (1,2,3)` is a macro that expands to a syntax error).
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Except for permissibility of `$name` (and `$(...)*`, discussed below), the
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right-hand side of a macro definition is ordinary Rust syntax. In particular,
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