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This function is unreferenced in modern usage; it was superseded in 9.1 by a core function of the same name. It has been left in place in the C code only so that pre-9.1 SQL definitions of the contrib/xml2 functions would continue to work. Six years seems like enough time for people to have updated to the extension-style version of the xml2 module, so let's drop this. The key reason for not keeping it any longer is that we want to stick an explicit PGDLLEXPORT into PG_FUNCTION_INFO_V1(), and the similarity of name to the core function creates a conflict that compilers will complain about. Extracted from a larger patch for that purpose. I'm committing this change separately to give it more visibility in the commit logs. While at it, remove the documentation entry that claimed that xml_is_well_formed() is a function provided by contrib/xml2, and instead mention the even more ancient alias xml_valid(). Laurenz Albe, doc change by me Patch: <A737B7A37273E048B164557ADEF4A58B53962ED8@ntex2010a.host.magwien.gv.at>
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. 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/.