Underscore
The Underscore _ is a the character with ASCII value 95. On the standard US 101/102 computer keyboard it shares a key with the hyphen on the top row, to the right of the 0 key.
It is used as a diacritic mark in some African and Native American languages. The underscore is sometimes used as an underdot (Unicode: COMBINING DOT BELOW) in romanized Arabic and Hebrew.
It is also often used instead of a space in computer operating systems and on the Internet in World Wide Web addresses.
Some applications will automatically underline text surrounded by underscores: _underlined_ will render underlined.
It is not a dash, and should not be used as such, or to create a horizontal line.
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