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Use xreflabel attributes instead of endterm attributes to control the appearance of links to subsections of SQL command reference pages. This is simpler, it matches what we do elsewhere (e.g. for GUC variables), and it doesn't draw "Unresolved ID reference" warnings from the PDF toolchain. Fix some places where the text was absolutely dependent on an <xref> rendering exactly so, by using a <link> around the required text instead. At least one of those spots had already been turned into bad grammar by subsequent changes, and the whole idea is just too fragile for my taste. <xref> does NOT have fixed output, don't write as if it does. Consistently include a page-level link in cross-man-page references, because otherwise they are useless/nonsensical in man-page output. Likewise, be consistent about mentioning "below" or "above" in same-page references; we were doing that in about 90% of the cases, but now it's 100%. Also get rid of another nonfunctional-in-PDF idea, of making cross-references to functions by sticking ID tags on <row> constructs. We can put the IDs on <indexterm>s instead --- which is probably not any more sensible in abstract terms, but it works where the other doesn't. (There is talk of attaching cross-reference IDs to most or all of the docs' function descriptions, but for now I just fixed the two that exist.) Discussion: https://postgr.es/m/14480.1589154358@sss.pgh.pa.us
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/.