For those who might be interested in a fuller explanation of the process I use, it's as follows:

1. A stereo line with mini-jacks runs from the output/phono socket of my Mac laptop to the input/mic socket on my mini-disc recorder.*

2. The output is recorded as a continuous stream.

3. I reverse the mini-jacks so that the output/phono on the mini-disc recorder connects to the input/mic socket on the laptop.

4. I use Audacity to imprt the complete recording as a continuous .aup file.

5. I use the "marker" utility in Audacity (thanks to Joe Offer for alerting me to this one) to mark the .aup file into its constituent tracks.

6. I export the marked-up .aup track as automatically separated .wav files - which can then be imported into iTunes.

* or your recorder of choice