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Since we pretty much made them up as we went along to fit
different circumstances, we describe them as we go along, too.
In general, though, the names of files
and UNIX
utilities are printed in italics, the names of Perl
functions, operators, and other keywords of the language are in bold, and
examples or fragments of Perl code are in constant width, and
generic code terms for which you must substitute particular values are in
italic constant width. Data values are
represented by constant width in roman quotes,
which are not part of the value.
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