I have seen the same issues as Manish e.g. in those documents:
http://scn.sap.com/docs/DOC-50821/diff?secondVersionNumber=2
http://scn.sap.com/docs/DOC-46122/diff?secondVersionNumber=2
http://scn.sap.com/docs/DOC-25273/diff?secondVersionNumber=2
http://scn.sap.com/docs/DOC-51751/diff?secondVersionNumber=2
http://scn.sap.com/docs/DOC-46495/diff?secondVersionNumber=2
http://scn.sap.com/docs/DOC-49558/diff?secondVersionNumber=3
