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[Groff] : ASCII Minus Sign in man Pages

From: Doug McIlroy
Subject: [Groff] : ASCII Minus Sign in man Pages
Date: Mon, 01 May 2017 18:55:19 -0400
User-agent: Heirloom mailx 12.5 7/5/10

>  If you want a real minus sign (in particular in mathematical
> formular as opposed to in programming language source code),
> \- is not a good choise.

This statement baffles me. That is exactly what \- is supposed
to mean: the mathematical minus sign. In particular it is supposed
to match + in width and weight. Are you saying that it no longer
has that property and something else does?


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