3.4.5 The Message Window
The message window displays text output from the POV-Ray raytracing engine. You'll find such things as render
setting info, parse/render statistics, and parse warnings/errors displayed here. It has its own Context
You can change the background of the message window, along with its font and font color, from the Options|Message
Window menu. The Edit menu allows you to copy the currently visible message pane to the clipboard as text (it is not
possible to select portions of the text), and to erase the messages.
By default, each time you run a render, new messages are appended to the end of the existing messages. You can
specify that the old messages be cleared before a render by turning off 'Preserve Messages' in the options