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thereby forestalling any problems with alignment of the data structure placed there. Since SizeOfPageHeaderData is maxalign'd anyway in 8.3 and HEAD, this does not actually change anything right now, but it is foreseeable that the header size will change again someday. I had to fix a couple of places that were assuming that the content offset is just SizeOfPageHeaderData rather than MAXALIGN(SizeOfPageHeaderData). Per discussion of Zdenek's page-macros patch.
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: http://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Changes between all PostgreSQL releases are recorded in the file HISTORY. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.