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Auto merge of #26137 - steveklabnik:gh25623, r=alexcrichton

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Fixes #25623

I am bad with BNF, so I may have messed this up, but that's what review is for!
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bors 2015-06-10 06:59:31 +00:00
commit 6c5834d81b
1 changed files with 2 additions and 1 deletions
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src/doc/grammar.md
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@ -281,7 +281,8 @@ type_path_tail : '<' type_expr [ ',' type_expr ] + '>'
## Macros
```antlr
expr_macro_rules : "macro_rules" '!' ident '(' macro_rule * ')' ;
expr_macro_rules : "macro_rules" '!' ident '(' macro_rule * ')' ';'
| "macro_rules" '!' ident '{' macro_rule * '}' ;
macro_rule : '(' matcher * ')' "=>" '(' transcriber * ')' ';' ;
matcher : '(' matcher * ')' | '[' matcher * ']'
| '{' matcher * '}' | '$' ident ':' ident