| ZIS | 
The call to this line tag is to get a device for
printing. It also allows the print job to be queued.
 
 | 
| VARIABLES | 
TYPE | 
VARIABLES DESCRIPTION | 
 
POP | 
Output | 
This variable is set to 0 if there a viable output
device has been selected. It is set to 1 if the user cancels the request for
an output device.
 
 | 
IO | 
Output | 
This variable is the viable output device to be used
for printing.
 
 | 
 
 | 
CLOSE | 
This line tag closes the output device being used
with a call to ^%ZISC.
 
 | 
| VARIABLES | 
TYPE | 
VARIABLES DESCRIPTION | 
 
ZTQUEUED | 
Input | 
If this variable has been set then the CLOSE line tag
will quit and not execute the ^%ZISC call.
 
 | 
 
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