Signifies that a data stream is not to be delivered.
&MAIDEL
Requests that the current data stream be deleted, that is, not delivered to either the PLU (application) or the SLU (terminal).
Notes:
&MAIDEL is most often used when an automatic reply is generated to the application, but the last data stream received from it is not to be sent to the terminal. For example, a script can perform automatic logon to an application, and place the user in an initial transaction, but not let the user see anything displayed on the terminal while this takes place.
An &MAIDEL issued when there is no data outstanding is ignored. Data is outstanding from the time an &MAIREAD is satisfied until an &MAICONT, &MAIDEL, or another &MAIREAD is issued.
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