Merged revisions 229191 via svnmerge from

Merged revisions 229191 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r229191 | diruggles | 2009-11-10 12:23:59 -0500 (Tue, 10 Nov 2009) | 11 lines

  Document ExternalIVR event tag collision

  ExternalIVR uses the D tag for two different event types. This documents that
  behavior and how to differentiate between the two cases. Also includes a minor
  spelling fix and clarification

  (closes issue #16211)
  Reported by: thedavidfactor
  Patches:
        externalivr.txt.20091109.1507.patch uploaded by thedavidfactor (license 903)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@229228 65c4cc65-6c06-0410-ace0-fbb531ad65f3