Martin, the last mate-terminal changelog in your PPA shows that the alternate scroll patch has been removed...
https://launchpad.net/~ubuntu-mate-dev/+archive/ubuntu/trusty-mate/+files/mate-terminal_1.8.1%2Bdfsg1-2%7Etrusty2_1.8.1%2Bdfsg1-4%7Etrusty1.diff.gz
Martin, the last mate-terminal changelog in your PPA shows that the alternate scroll patch has been removed...
https:/ /launchpad. net/~ubuntu- mate-dev/ +archive/ ubuntu/ trusty- mate/+files/ mate-terminal_ 1.8.1%2Bdfsg1- 2%7Etrusty2_ 1.8.1%2Bdfsg1- 4%7Etrusty1. diff.gz