Why does text using a monospaced font still require subtle kerning adjustments for optimal legibility in a printed book, despite its inherent fixed-width character cells?

💡 Explanation

Monospaced fonts can create perceptual grouping issues because the even spacing can still lead to visual crowding, therefore, optical kerning addresses these inherent illusions by adjusting space between specific character pairs. These adjustments improve overall readability, rather than adjusting inter-word spacing alone.

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