Merged revisions 1075050 via svnmerge from
https://vkrause@svn.kde.org/home/kde/trunk/KDE/kdepim
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r1075050 | mlaurent | 2010-01-15 14:06:00 +0100 (Fri, 15 Jan 2010) | 3 lines
Disable ok button when text is empty.
TODO: NEED TO BACKPORT TO AKONADI-PORT
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svn path=/branches/work/akonadi-ports/kdepim/; revision=1075200