doctrine/doctrine2 — pull request #192 by FabioBatSilva (2011-11-15 19:05:00+00:00)
Title: DDC-1474

Hello all

Sorry opening this PR again

This patch fix : DDC-1474
http://www.doctrine-project.org/jira/browse/DDC-1474

That allow arithmetic expression : ( - u.value ) and ( + u.value ).

Thanks ...