Getting output
The output of the back end methods (Back end methods) is stored in special buffers, so that these methods must tell the status of the execution.
Variable: pgg-errors-buffer
The standard error output of the execution of the PGP command is stored here.
Variable: pgg-output-buffer
The standard output of the execution of the PGP command is stored here.
Variable: pgg-status-buffer
The rest of status information of the execution of the PGP command is stored here.