Adjust text search documentation for recent commits.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 4242a715c3fca1a8fa31f810b7cffa88b4d4e439
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2016-06-29T19:00:33Z
Releases: 9.6.0
Adjust text search documentation for recent commits.

Fix some now-obsolete statements that were overlooked in commits
6734a1cac, 3dbbd0f02, 028350f61.  Document the behavior of <0>.
Also do a little bit of rearranging and copy-editing for clarity.

Files

PathChange+/−
doc/src/sgml/datatype.sgml modified +41 −29
doc/src/sgml/textsearch.sgml modified +17 −9

Documentation touched