org: Header arguments in function calls

 
 Header arguments in function calls
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 At the most specific level, header arguments for “Library of Babel” or
 ‘#+CALL:’ lines can be set as shown in the two examples below.  For more
 information on the structure of ‘#+CALL:’ lines see SeeEvaluating
 code blocks.
 
    The following will apply the ‘:exports results’ header argument to
 the evaluation of the ‘#+CALL:’ line.
 
      #+CALL: factorial(n=5) :exports results
 
    The following will apply the ‘:session special’ header argument to
 the evaluation of the ‘factorial’ code block.
 
      #+CALL: factorial[:session special](n=5)