BIND 10 #2535: handle escaped characters in TXTLikeImpl::toText

[BIND 10 Development]

#2535: handle escaped characters in TXTLikeImpl::toText
-------------------------------------+-------------------------------------
            Reporter:  jinmei        |                        Owner:  muks
                Type:  task          |                       Status:
            Priority:  medium        |  reviewing
           Component:  libdns++      |                    Milestone:
            Keywords:                |  Sprint-20130108
           Sensitive:  0             |                   Resolution:
         Sub-Project:  DNS           |                 CVSS Scoring:
Estimated Difficulty:  3             |              Defect Severity:  N/A
         Total Hours:  0             |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Changes (by vorner):

 * owner:  vorner => muks


Comment:

 Hello

 It is mostly looking good. However, I think the use of magic constants
 isn't
 the best thing for readability. Could you provide a comment, saying
 something
 like „Convert to the \XXX format“ or something? Also, it might be better
 to use
 '0' instead of 0x30 (I know this is a copy of bind9 code and I think we
 can do
 better with readability).

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Ticket URL: <http://bind10.isc.org/ticket/2535#comment:9>
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