{Ada.Wide_}Implementations shall also provide
the generic library package Wide_Text_IO.Complex_IO. Its declaration
is obtained from that of Text_IO.Complex_IO by systematically replacing
Text_IO by Wide_Text_IO and String by Wide_String; the description of
its behavior is obtained by additionally replacing references to particular
characters (commas, parentheses, etc.) by those for the corresponding
wide characters.
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