subcommand lines with the short form of the ?EDIT message.
to an invalid subcommand line, and responds:
to an invalid macro request.
2. To resume displaying the long form of the ?EDIT message, use the
the current line. If a number or a subcommand is not
specified, then one line is assumed by default.
of 25 lines can be stacked.
If the current line pointer is at the top of the file, then
n-1 lines are stacked. If fewer than n lines remain in the
file, only the lines remaining are stacked.
subcommand specifies an EDIT subcommand to be stacked.
o stacks a null