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
The print engine used to directly cause a prompt to be displayed in the most recent window in the event of an error. This patch causes the print engine to fire an event instead so that the front-end can choose to display or ignore the error. --HG-- extra : commitid : J2icIUiO8Lv extra : rebase_source : 0288d18cf29b8c167da2be9b907f234cf4c3f2b7