BIND 10 #2372: define State class for MasterLexer, base part

[BIND 10 Development]

#2372: define State class for MasterLexer, base part
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                   Reporter:         |                 Owner:  jinmei
  jinmei                             |                Status:  reviewing
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20121120
  medium                             |            Resolution:
                  Component:         |             Sensitive:  0
  libdns++                           |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  6
            Defect Severity:  N/A    |           Total Hours:  3.60
Feature Depending on Ticket:         |
  loadzone-ng                        |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by vorner):

 Hmm. I noticed one more problem. The INITIAL_WS does not work on the first
 line of the input source. Is that OK?

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Ticket URL: <http://bind10.isc.org/ticket/2372#comment:13>
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