console input stack. Stacked lines may be read
out sequence, and is the default if not specified otherwise.
specifies that the line is to be stacked in a last in, first
specify the tokens to be stacked. If no tokens are specified,
a null line is stacked. The tokens are in expanded form.
executed immediately. All terminal display from the
suppressed until the end of the file or until an RT (resume
executed immediately. If terminal display has been suppressed
as the result of an HT (halt typing) request, display is
1. Lines stacked with the &STACK control statement are scanned by the
line is stacked. To stack one or more unscanned lines, use the
and data in the console stack is provided in the