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-rw-r--r--docs/grammar.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/grammar.txt b/docs/grammar.txt
index 62b4a021..a9f328c0 100644
--- a/docs/grammar.txt
+++ b/docs/grammar.txt
@@ -114,7 +114,7 @@ NumberUnit = 'wei' | 'szabo' | 'finney' | 'ether'
| 'seconds' | 'minutes' | 'hours' | 'days' | 'weeks' | 'years'
HexLiteral = 'hex' ('"' ([0-9a-fA-F]{2})* '"' | '\'' ([0-9a-fA-F]{2})* '\'')
StringLiteral = '"' ([^"\r\n\\] | '\\' .)* '"'
-Identifier = [a-zA-Z_] [a-zA-Z_0-9]*
+Identifier = [a-zA-Z_$] [a-zA-Z_$0-9]*
HexNumber = '0x' [0-9a-fA-F]+
DecimalNumber = [0-9]+