Jinoh Kang (@iamahuman) commented about tools/widl/parser.y:
} ;
+deprecated_attr
: aSTRING ',' aIDENTIFIER ',' contract_req
{ $$ = make_expr3( EXPR_MEMBER, make_exprs( EXPR_STRLIT, $1 ), make_exprs( EXPR_IDENTIFIER, $1 ), $5 ); }
```suggestion:-0+0 { $$ = make_expr3( EXPR_MEMBER, make_exprs( EXPR_STRLIT, $1 ), make_exprs( EXPR_IDENTIFIER, $3 ), $5 ); } ```