Ah, that's what caused it!
Thank you for a very good explanation 
...maybe it could be a good feature for the arduino environment to check for this in the hex to be uploaded. But then again the fault is, as you say, in the bootloader code...
Ah, that's what caused it!
Thank you for a very good explanation
...maybe it could be a good feature for the arduino environment to check for this in the hex to be uploaded. But then again the fault is, as you say, in the bootloader code...