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macros-by-example: add space in macro.decl.repetition.fragment example #2107

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Merged
ehuss merged 1 commit into from
Dec 15, 2025
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macros-by-example: add space in macro.decl.repetition.fragment example #2107

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2 changes: 1 addition & 1 deletion src/macros-by-example.md
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Original file line number Diff line number Diff line change
Expand Up @@ -207,7 +207,7 @@ compiler knows how to expand them properly:
1. A metavariable must appear in exactly the same number, kind, and nesting
order of repetitions in the transcriber as it did in the matcher. So for the
matcher `$( $i:ident ),*`, the transcribers `=> { $i }`,
`=> { $( $( $i)* )* }`, and `=> { $( $i )+ }` are all illegal, but
`=> { $( $( $i )* )* }`, and `=> { $( $i )+ }` are all illegal, but
`=> { $( $i );* }` is correct and replaces a comma-separated list of
identifiers with a semicolon-separated list.
2. Each repetition in the transcriber must contain at least one metavariable to
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