changing format
diff --git a/vxquery-core/src/main/javacc/xquery-grammar.jj b/vxquery-core/src/main/javacc/xquery-grammar.jj
index 115531d..7ea478c 100644
--- a/vxquery-core/src/main/javacc/xquery-grammar.jj
+++ b/vxquery-core/src/main/javacc/xquery-grammar.jj
@@ -2460,7 +2460,7 @@
     Token start;
 }
 {
-    (start="[") expr=Expr() "]" {
+    (start="[") expr = Expr() "]" {
         ArrayConstructorNode an = new ArrayConstructorNode(createSourceLocation(start));
         an.setExpression(expr);
         return an;