Github user afs commented on a diff in the pull request:
https://github.com/apache/jena/pull/114#discussion_r175910819
--- Diff: jena-arq/Grammar/master.jj ---
@@ -99,7 +99,42 @@ import org.apache.jena.sparql.core.Quad ;
#endif
public class CLASS extends PARSERBASE
-{}
+{
+ boolean allowAggregatesInExpressions = false ;
--- End diff --
This is not in master.jj nowadays. Is this from the early forking?---
