BIND 10 #2150: Allow DomainTree::find() to start at a lower level

[BIND 10 Development]

#2150: Allow DomainTree::find() to start at a lower level
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                   Reporter:         |                 Owner:  UnAssigned
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20120918
  medium                             |            Resolution:
                  Component:         |             Sensitive:  0
  Unclassified                       |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  5
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
  scalable inmemory                  |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by muks):

 * owner:  muks => UnAssigned


Comment:

 Moved changes to `DomainTree` class. This is now in the `trac2150_2`
 branch afresh so that the `RBTree` class is untouched.

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Ticket URL: <http://bind10.isc.org/ticket/2150#comment:11>
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