QVEdit(*queue theq, <string qname>, long readonly=0, <string filter>, long showifempty=1)
theq: a queue
qname: description - shown in window title
readonly: non-zero to prevent any edits being saved.
filter: optional filter to apply to queue. QVEdit will check it evaluate()s correctly, showing an
error if there is any problem.
showifempty: defaults to ON. Set to OFF (zero/false) if QVEdit should only open it's window
when the queue has entries. The optional filter is applied before deciding whether to open the
Probably the only procedure you will use. Pauses program execution and opens the QView