_Efratror commented on Mar 19, 2023_ Added reference support by using a part of [ShowUsage.java](https://github.com/processing/processing4/blob/80a5b124f1aa4e08e4d23d1eac97a5b1feb5211a/java/src/processing/mode/java/ShowUsage.java#L172-L181) and added the capability to the server. Also fixed a code style violation as pointed out in https://github.com/processing/processing4/pull/678. Should resolve https://github.com/processing/processing4/issues/684