BIND 10 #1308: auth NSEC support: Handle WILDCARD_EMPTY case

[BIND 10 Development]

#1308: auth NSEC support: Handle WILDCARD_EMPTY case
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                   Reporter:         |                 Owner:  UnAssigned
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:  major  |  Sprint-20111206
                  Component:         |            Resolution:
  b10-auth                           |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  3
Feature Depending on Ticket:  NSEC   |           Total Hours:  0
        Add Hours to Ticket:         |
                  Internal?:  0      |
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Comment (by kevin_tes):

 Replying to [comment:11 jinmei]:
 > I only took a quick glance of the diff, but do we really need
 > to define and use WILDCARD_EMPTY?  Was there any case where
 > WILDCARD_NXRRSET wasn't sufficient?
 Yes,WILDCARD_NXRRSET can handle WILDCARD_EMPTY, from this point it does
 not need to define WILDCARD_EMPTY, and there is no sufficient problem for
 using WILDCARD_NXRRSET.
 On my opinion defining WILDCARD_EMPTY just makes it clear to developers.

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Ticket URL: <http://bind10.isc.org/ticket/1308#comment:12>
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