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 A Library for Handling
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Description: 
 This attribute gives a space separated list of the names of all the
variant Mappings associated with the current 
Frame (see attribute 
" Variant"
). If the current Frame has no variant Mappings, then the list will hold a
single entry equal to the 
Domain name of the current Frame.  
Type: 
String,
read-only.Applicability 
  All FrameSets have this attribute.  
  Copyright (C) 2021 East Asian Observatory
  -  ←Prev 
- AST
 A Library for Handling
 World
Coordinate Systems
 in Astronomy
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