Migrate addMarkUp function to QChar.
Migrate addMarkUp function to QChar.

Change-Id: I5fd132d14d14ca1fe5f23653e3423c9d29612444
Reviewed-on: http://codereview.qt-project.org/4396
Reviewed-by: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: Martin Smith <a8cc6484db2755056ccf1c457da8ca771f895dea@nokia.com>
Reviewed-by: Casper van Donderen <808524cef5c654648bea2a2b954f3b3445ed083c@nokia.com>

kobolabs/qtdoc,kobolabs/qtdoc,kobolabs/qtdoc,kobolabs/qtdoc