and as such, it should not necessarily be taken in the literal sense. For most, it would amount to some form of agreed upon compensation. And no, the PA isn't likely to ever give up THAT aspect of it...just like Israel and its organizations will never give up seeking compensation for the losses - properties, belongings, et al - of the victims of the holocaust and their survivors.
UN to hold off on separate Afghan bombing probe for now (Reuters)
from the article: Palestinian refugees are a threat to Israel's existence