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Internal Call an Internal Function
  Description
.Internal performs a call to an internal code which is built in to the R interpreter.
Only true R wizards should even consider using this function, and only R developers can add to the list of internal functions.
Usage
 .Internal(call)
  Arguments
call | 
      a call expression  | 
     
See Also
.Primitive, .External (the nearest equivalent available to users).
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Licensed under the GNU General Public License.