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 A Library for Handling
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Description: 
This function exempts an 
Object pointer from AST context handling, as implemented by
astBegin and 
astEnd. This means that the pointer will not be affected when astEnd is
invoked and will remain active until the end of the program, or until explicitly
annulled using 
astAnnul.
If possible, you should avoid using this function when writing applications. It
is provided mainly for developers of other libraries, who may wish to retain
references to AST Objects in internal data structures, and who therefore need to
avoid the effects of astBegin and astEnd.  
Synopsis 
 void astExempt( AstObject
this )
 Parameters: 
  this  
 Object pointer to be exempted from context handling.  
   
Applicability 
  Object  
 This function applies to all Objects.  
    Copyright (C) 2021 East Asian Observatory
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 A Library for Handling
 World
Coordinate Systems
 in Astronomy
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