Clarify that copy_reg.pickle() is not intended for use with "classic" classes.
This was stated before, but a minor grammatical error made it difficult to be sure of the meaning. This closes SF bug #530143.
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@ -22,9 +22,11 @@ functions or class instances.
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\begin{funcdesc}{pickle}{type, function\optional{, constructor}}
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Declares that \var{function} should be used as a ``reduction''
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function for objects of type \var{type}; \var{type} should not a
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class object. \var{function} should return either a string or a
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tuple containing two or three elements.
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function for objects of type \var{type}; \var{type} must not be a
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``classic'' class object. (Classic classes are handled differently;
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see the documentation for the \refmodule{pickle} module for
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details.) \var{function} should return either a string or a tuple
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containing two or three elements.
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The optional \var{constructor} parameter, if provided, is a
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callable object which can be used to reconstruct the object when
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