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1. Informal form of – (en dash) or — (em dash), in use due to technical restrictions or convenience of entry. Also used by tradition in comic books.
   • 1987, “Armageddon Now!”, in Classic X-Men (in English), section #15:

     Seven mutants -- gifted (though many might say cursed) at birth with powers that set them forever apart from the mainstream of humanity, too often feared and hated by those who they have sworn to protect -- banded together by Charles Xavier and sent forth to play the role of heroes.

   • 2001 November 20, Dane Martin, “Re: I'm skipping school today...”, in alt.litterbox‎^[1] (Usenet; in English), message-ID <20011120152118.09919.00000942@mb-fh.aol.com>:

     I'm telling you -- the hobos! THE HOBOS!

   • 2019 September 26, Brekke Fletcher, “Fall in the Hamptons means the happiest hour of all”, in CNN‎^[2] (in English), archived from the original on 1 October 2019:

     As enviable as summer in the Hamptons can be -- stunning weather, beaches, greenery, produce, and yes, people -- autumn is when the east end of Long Island becomes truly magical.

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1. (programming) Decrement by 1 in certain programming languages such as C and Java.
2. (programming) Starts a single-line comment in some programming languages, including Ada, Haskell, and Lua, as well as some query languages.

   if pizza == "plain cheese" -- Checks if pizza is "plain cheese".

   SELECT id, name, birth_date -- Selects fields from a table.

• (single line comment): //

• (antonym(s) of “decrement”): ++

1. Visual rendering of Morse code for M. (Latin)
2. Visual rendering of Morse code for М. (Cyrillic)

1. Visual rendering of Morse code for Μ.

1. Visual rendering of Morse code for מ.

1. Visual rendering of Morse code for ヨ.
2. Visual rendering of Morse code for ョ.

1. Visual rendering of Morse code for ม.