fix: correct union custom id

nervosnetwork · Dec 29, 2023 · a6f3f96 · a6f3f96
1 parent 4a57667
commit a6f3f96
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/grammar/grammar.ebnf b/docs/grammar/grammar.ebnf
@@ -15,7 +15,7 @@ newline                 =   "\n" | "\r\n";
 
 identifier              =   letter, { letter | digit | "_" };
 number                  =   nonzero, { digit };
-number_greater_or_equal_than_zero = { digit };
+number_greater_or_equal_than_zero = zero | { number };
 
 whitespace              =   ifs | newline;
 break                   =   whitespace, { whitespace };