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8.6. FONT_ASPECT

The ratio of the monospaced font's height to its width, measured at 5:3 for Vera Sans Mono. We use 1.66 to give a bit of leeway. To make this script work for multiple fonts, either add logic to read the font metrics, or add a command line argument so the user can specify this value.

listext2
FONT_ASPECT = Decimal('1.66')