You find a lot of samples in [http://www.pragma-ade.com/general/manuals/enattab.pdf enattab.pdf]
Willi Egger wrote a [[My Way]] how he set a typesetter's lead type case: [http://www.pragma-ade.com:8080/context/Members/willi/My%20Way/NaturalTables.pdf Use of natural tables]
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