RTC中废弃变更集

http://pic.dhe.ibm.com/infocenter/clmhelp/v4r0m2/index.jsp?topic=%2Fcom.ibm.team.scm.doc%2Ftopics%2Ft_discarding_change_set.html

Discard Change Set有两种情况：

1. Accepted a Change Set, But decide later that do not want it in your workspace, discart it and return the change set to the Incoming folder for the component.

2. Discard a Change Set that you created but have not yet delivered.