The Rectangle in Typography
Frans A. Janssen
One of the features early printed book compared with its manuscript forerunner, codex, is that all lines are same length, giving text on page shape a perfect rectangle. Yet in history typography perfection has more than once been eroded. Three factors have responsible for this: first, and position word-break character (the hyphen) at end line; second, rise modern paragraph sixteenth century, leading to white space right last line also left first paragraph; third, arrival unjustified typesetting second half twentieth century.
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