Razor-qt/razor-qt — pull request #135 by luis-pereira (2011-12-27 22:39:20+00:00)
Title: Replaces return"" by return QString()

It's faster and cleaner.
QString().isEmpty(); // returns true
QString().isNull(); // returns true
So replacing "" by QString() will not brake existing code.

Signed-off-by: Luís Pereira