The show parameter can be used to determine if the current view's current element is a show element. A show element is a line of document text that is not saved with the file. The show parameter will return on if the current element is a show element for this view, off if the current element is not a show element and other if the current element is a show element for another view of the current view's document.
query command
The current view's current element.
query show
query show
insertShow command
query command
save command
line parameter
lines parameter