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-rwxr-xr-xruntime/JavaScript/tests/functional/t058rewriteAST20.g7
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diff --git a/runtime/JavaScript/tests/functional/t058rewriteAST20.g b/runtime/JavaScript/tests/functional/t058rewriteAST20.g
new file mode 100755
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+++ b/runtime/JavaScript/tests/functional/t058rewriteAST20.g
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+
+grammar t058rewriteAST20;
+options {language=JavaScript;output=AST;}
+a : (x=ID)? -> $x?;
+ID : 'a'..'z'+ ;
+INT : '0'..'9'+;
+WS : (' '|'\n') {$channel=HIDDEN;} ; \ No newline at end of file