On Sat, Jan 2, 2016 at 1:02 PM, Russ Allbery <eagle(_at_)eyrie(_dot_)org> wrote:
A common convention is that e-mail messages contain a short description
of the author, called "signature" and the start of this is indicated by
a line only containing the two characters "--".
The full, "correct" convention is actually the three characters "-- " with
the trailing space. Obviously, this causes all sorts of problems in
practice, and a lot of software is tolerant of the space being removed.
But that was originally the standard to try to avoid issues with the other
uses of -- on a line by itself.
What other uses of "--" on a line by itself are there? The only thing I
can think of is ASCII art.
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