Resize a dialog with a multi line text field that has fixed width

stackoverflow.com is a great forum to ask questions. Sometimes an answer to a question you ask there will trigger yourself to think in new ways so you can answer you own question. This happened to me in the problem with the dialog with the multi line text field with fixed width: http://stackoverflow.com/questions/1048224/get-height-of-multi-line-text-with-fixed-width-to-make-dialog-resize-properly