SAP NEWS-40

Get Example source ABAP code based on a different SAP table
  SAP Help

News for ABAP Release 4.0
Changes were made in the following areas as part of development for ABAP releases 4.0 and 4.5:
SUBNODES
Earlier Changes in ABAP:
News for ABAP_RELEASE 3.0
Changes Before ABAP_RELEASE 3.0