docs: PG 13 relnotes: add links and SGML formatting

Bruce Momjian <bruce@momjian.us>

Commit: 39e7bcbbff82e25441529349134bf41fc336169b
Author: Bruce Momjian <bruce@momjian.us>
Date: 2020-05-15T02:36:21Z
Releases: 13.0
docs:  PG 13 relnotes:  add links and SGML formatting

Files

PathChange+/−
doc/src/sgml/README.links modified +4 −4
doc/src/sgml/release-13.sgml modified +2420 −2042
doc/src/sgml/release.sgml modified +5 −5

Documentation touched