I couldn't find any usage of these extern variables. neither in the file they are defined nor anywhere else in the code
--- a/QTfrontend/campaign.cpp Thu May 16 10:03:00 2013 +0200
+++ b/QTfrontend/campaign.cpp Thu May 16 10:10:27 2013 +0200
@@ -22,7 +22,6 @@
#include <QSettings>
-extern QString campaign, campaignTeam;
QStringList getCampMissionList(QString & campaign)
{