The blue line which appears on the left of the text pane when composing replies in Microsoft Outlook. It is continuous and so cannot be used to distinguish a series of quotes from the original text from the reply text. Nor can it be entirely deleted, as any attempt to do so will leave a one-character sized stub.
the resulting illumination from the car in front repeatedly hitting the brakes at 40 mph or less on a highway,due to the extreme age of the (usually,but not necessarily)female driver
After driving from little rock to Branson, mo.,My eyes were burning from all the BLUE HAIRED BRAKE LIGHTS.