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From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2005-03-02 12:20:35

Paul Mensonides wrote:
>> BOOST_PP_IF(HAS_COLOR(t), and color is COLOR(t) , );
> ^^^
> This is undefined behavior in C++. Should be:

May a PP-Sequence have '()'-elements ?

The documentation says that "a sequence cannot be empty" which seems to
be something different than containing empty elements...

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