I confirm that bug for LibreOffice Impress 3.3.1. It could be any readonly file: just create an empty presentation with LO impress, save as a file, change its attributes to readonly, open and try to insert something there using middle mouse click
I confirm that bug for LibreOffice Impress 3.3.1. It could be any readonly file: just create an empty presentation with LO impress, save as a file, change its attributes to readonly, open and try to insert something there using middle mouse click