A single hash is a special case with \(). From perlref.
As a special case, "\(@foo)" returns a list of refer-
ences to the contents of @foo, not a reference to @foo
itself. Likewise for %foo, except that the key refer-
ences are to copies (since the keys are just strings
rather than full-fledged scalars).
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tags should generally be avoided. If they must
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taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
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