This article is from the Apple II GNO FAQ, by Devin Reade with numerous contributions by others.
A#3.5: While man can handle both manually-edited preformatted pages and pages that are aroff source (created by AppleWorks-GS or a compatible editor), the recommended format is to use nroff source with tmac "an" extensions. The reason for this is that only nroff source can be reformatted "on the fly" to suit different terminal characteristics. See also Q#3.7.
 
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