[mapguide-trac] #725: Add LineBuffer support to detect close segments

[MapGuide Open Source]

#725: Add LineBuffer support to detect close segments
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   Reporter:  waltweltonlair  |       Owner:  waltweltonlair
       Type:  defect          |      Status:  new           
   Priority:  medium          |   Milestone:  2.1           
  Component:  General         |     Version:  2.0.1         
   Severity:  major           |    Keywords:                
External_id:  1140054         |  
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 Changeset 3271 (https://trac.osgeo.org/mapguide/changeset/3271) added
 support to !LineBuffer for detecting the location of tessellated arc
 segments.  We need to also expose the location of close segments. - those
 added via a call to LineBuffer::Close.

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Ticket URL: <https://trac.osgeo.org/mapguide/ticket/725>
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