JD notation

* in front of JD	This correction was added to the depot from an external file using the notebook operation ADD.
Blank in front of JD	This correction was added to the depot using the input function.
- after JD	This correction is no longer valid for supply components as a result of an REJ notebook operation.
+ after JD	This correction is valid for all supply components as a result of an ADD notebook operation.
Blank after JD	No notebook operation. This correction is valid for the supply components with which it was input.