BIND 10 #1809: support NSEC for NXDOMAIN in in-memory

[BIND 10 Development]

#1809: support NSEC for NXDOMAIN in in-memory
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                   Reporter:         |                 Owner:  jelte
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20120515
  medium                             |            Resolution:
                  Component:  data   |             Sensitive:  0
  source                             |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  3
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:  in-    |
  memory NSEC                        |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by jelte):

 * owner:  haikuo => jelte


Comment:

 Sorry, stealing this as well :)

 I think the changes for this branch are OK. Haikuo, please finish your
 review as well. If you have any issues you may reopen the ticket (but I'm
 merging this as-is right now).

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Ticket URL: <http://bind10.isc.org/ticket/1809#comment:10>
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