Merged revisions 300521 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r300521 | lmadsen | 2011-01-04 15:53:27 -0600 (Tue, 04 Jan 2011) | 17 lines
  
  Merged revisions 300520 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r300520 | lmadsen | 2011-01-04 15:52:41 -0600 (Tue, 04 Jan 2011) | 9 lines
    
    Fix backwards and broken XML documentation.
    
    (closes issue #18547)
    Reported by: jcovert
    Patches: 
          xmldoc.c.patch uploaded by jcovert (license 551)
          chan_iax2.c.doc.patch uploaded by jcovert (license 551)
          chan_sip.c.patch uploaded by jcovert (license 551)
          chan_agent.c.patch uploaded by jcovert (license 551)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@300522 65c4cc65-6c06-0410-ace0-fbb531ad65f3