use the fact that empty sequences are false

fixed bug #1156473

Change-Id: I43470eb884107111cbea958868f4cf8241c8d6e6
Imported Translations from Transifex

Change-Id: Id29411bf2856fccc27a9c208dc9cd0d5ce2318ae
Merge "use the fact that empty sequences are false"
Merge "Imported Translations from Transifex"