Thanks. Yeah this is really more of a feature than a bug. We wanted the import to allow comma and period delimited, so it was a trade off. You have a couple of options:
1. Obviously you could use something else in place of the comma
2. You can type the notes manually into the grid rather than importing them with the host names. Then you can save the grid to .bps or .bpt to use again over and over rather than freshly importing the hosts with notes every time.
3. We’ll consider modifying or improving the behavior of the import process.
Thanks,
Doug