Feature request from mage2pro, posted on GitHub Nov 26, 2015
It is a long-term issue from Magento 1.x, and still is in Magento 2. Looks an example here: https://github.com/magento/magento2/issues/2505#issuecomment-159754199 As you can see, the left half of screen contains the same file path in each line, and the right half chops significant parts of the messages. I propose: