From 19c41439bdb0cb8ce8e209a1171582956d9deaf9 Mon Sep 17 00:00:00 2001
From: Norbert Klawikowski <norbert.klawikowski@tu-dresden.de>
Date: Wed, 16 Jun 2010 19:21:13 +0000
Subject: [PATCH] Fixed empty formula rendering

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