This is a _very_ minor thing, but I noticed in the documentation for BOOST_PP_NOT the following line: If x is non-zero, this macro expands to 1. Otherwise, it expands to 0. Should read: If x is zero, this macro expands to 1. Otherwise, it expands to 0. URL: http://www.boost.org/libs/preprocessor/doc/ref/not.html ---- Mark Staggs Acxiom Corp. ********************************************************************* The information contained in this communication is confidential, is intended only for the use of the recipient named above, and may be legally privileged. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error, please re-send this communication to the sender and delete the original message or any copy of it from your computer system. Thank You.