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`@minus`

(-): Inserting a Minus SignUse the `@minus{}`

command to generate a minus sign. In a
fixed-width font, this is a single hyphen, but in a proportional font,
the symbol is the customary length for a minus sign—a little longer
than a hyphen, shorter than an em-dash:

‘-’ is a minus sign generated with ‘@minus{}’, ‘-’ is a hyphen generated with the character ‘-’, ‘—’ is an em-dash for text.

In the fixed-width font used by Info, `@minus{}`

is the same
as a hyphen.

You should not use `@minus{}`

inside `@code`

or
`@example`

because the width distinction is not made in the
fixed-width font they use.

When you use `@minus`

to specify the mark beginning each entry
in an itemized list, you do not need to type the braces
(see `@itemize`).

If you actually want to typeset some math that does a subtraction, it
is better to use `@math`

. Then the regular ‘`-`’ character
produces a minus sign, as in `@math{a-b}`

(see Inserting Math).