is this a bug? or a misconfiguration in my syntax highlighting?

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Newsgroups gmane.comp.db.oracle.toad.free
Message-ID <OF7764A182.8CC48793-ON852579BB.006EC342-852579BB.006EF7E7@aep.com> 
SELECT q'!xxxxxx!',
       q'[xxxxx]',
       q'(xxxxx)',
       q'*xxxxxx*',                           --- the q here is not 
highlighted as part of the string
       q'<xxxxx>',
       q'#xxxxx#',                            --- the q here is not 
highlighted as part of the string
       q'!xxxxxx!',
       q'{xxxxx}'
  FROM DUAL
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