| 摘要 |
A method, apparatus, system, and signal-bearing medium that in an embodiment create breakpoint groups and breakpoints in a hierarchical tree structure. An operation directed to a breakpoint group is performed on both the breakpoint group and the descendents in the tree of the breakpoint group. But, an operation directed to a descendent is not performed against its ancestors. In this way, the user can ore easily organize, enable, and disable breakpoints.
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