LINEINIT indicates that the next few keyin input groups are rest frequency specifications for spectral line observations. See Section 2.5 for details. LINEINIT should not be mixed with other indicaters of in-stream data such as SRCCAT, STACAT, SETINIT, or TAPEINI. If LINEINIT is found, the end of the input group (everything up to the ``/'') is not considered the end of inputs for this file. The next inputs after the line data are entered will continue to apply to the current file (usually the first).