The logs indicate that the text view was being used:
2016-04-20 08:38:55,901 DEBUG Using 'DistUpgradeViewText' view
Looking at the translations for el we can see that 'y' and 'n' are not translated.
1594 #: ../DistUpgrade/DistUpgradeViewText.py:209 1595 #: ../DistUpgrade/DistUpgradeViewText.py:247 1596 #: ../DistUpgrade/DistUpgradeViewText.py:254 1597 msgid "Continue [yN] " 1598 msgstr "Συνέχεια [yN] "
1644 #: ../DistUpgrade/DistUpgradeViewText.py:261 1645 msgid "Continue [Yn] " 1646 msgstr "Συνέχεια [Yn] "
So that answers part 2 at least.
The logs indicate that the text view was being used:
2016-04-20 08:38:55,901 DEBUG Using 'DistUpgradeVie wText' view
Looking at the translations for el we can see that 'y' and 'n' are not translated.
1594 #: ../DistUpgrade/ DistUpgradeView Text.py: 209 DistUpgradeView Text.py: 247 DistUpgradeView Text.py: 254
1595 #: ../DistUpgrade/
1596 #: ../DistUpgrade/
1597 msgid "Continue [yN] "
1598 msgstr "Συνέχεια [yN] "
1644 #: ../DistUpgrade/ DistUpgradeView Text.py: 261
1645 msgid "Continue [Yn] "
1646 msgstr "Συνέχεια [Yn] "
So that answers part 2 at least.