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xml.c passed format = 1 to xmlNodeDump(), resulting in sometimes getting extra whitespace (newlines + spaces) in the output. We don't really want that, first because whitespace might be semantically significant in some XML uses, and second because it happens only very inconsistently. Only one case in our regression tests is affected. This potentially affects the results of xpath() and the XMLTABLE construct, when emitting nodeset values. Note that the older code in contrib/xml2 doesn't do this; it seems to have been an aboriginal bad decision in commit ea3b212fe. While this definitely seems like a bug to me, the small number of complaints to date argues against back-patching a behavioral change. Hence, fix in HEAD only, at least for now. Per report from Jean-Marc Voillequin. Discussion: https://postgr.es/m/1EC8157EB499BF459A516ADCF135ADCE3A23A9CA@LON-WGMSX712.ad.moodys.net
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: https://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 https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.