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# frozen_string_literal: true
module PDF
module Core
# This is used to differentiate strings that must be encoded as a *literal*
# string, versus those that can be encoded in the PDF hexadecimal format.
#
# Some features of the PDF format appear to require that literal strings be
# used. One such feature is the `Dest` key of a link annotation; if a hex
# encoded string is used there, the links do not work (as tested in Mac OS
# X Preview, and Adobe Acrobat Reader).
#
# @api private
class LiteralString < String
end
end
end
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