Minor styling of grammar

numbat/src/parser.rs

@@ -41,7 +41,7 @@
 //! unicode_power   ::=   call ( "⁻" ? ( "¹" | "²" | "³" | "⁴" | "⁵" | "⁶" | "⁷" | "⁸" | "⁹" ) ) ?
 //! call            ::=   primary ( ( "(" arguments? ")" ) | "." identifier ) *
 //! arguments       ::=   expression ( "," expression ) *
-//! primary         ::=   boolean | string | hex_number | oct_number | bin_number | number | identifier ( struct_expr ? ) | "(" expression ")" | struct_expr
+//! primary         ::=   boolean | string | hex_number | oct_number | bin_number | number | identifier ( struct_expr ? ) | struct_expr | "(" expression ")"
 //! struct_expr     ::=   "{" ( identifier ":" type_annotation "," )* ( identifier ":" expression "," ? ) ? "}"
 //!
 //! number          ::=   [0-9][0-9_]*("." ([0-9][0-9_]*)?)?([eE][+-]?[0-9][0-9_]*)?