Editing PassingVariables

<toc> === Shells <include "Shells"> [[http://awk.freeshell.org/?action=edit;id=Shells| Edit this answer]] === Environment variables in general <include "EnvVarGeneral"> [[http://awk.freeshell.org/?action=edit;id=EnvVarGeneral| Edit this answer]] === Unix Shell Quoting <include "ShellQuoting"> [[http://awk.freeshell.org/?action=edit;id=ShellQuoting| Edit this answer]] === ENVIRON[] and "env"|getline <include "ENVIRON"> [[http://awk.freeshell.org/?action=edit;id=ENVIRON| Edit this answer]] === exporting environment variables back to the parent process <include "PassingVariablesToTheParentProcess"> [[http://awk.freeshell.org/?action=edit;id=PassingVariablesToTheParentProcess| Edit this answer]]

Summary:

This change is a minor edit.

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