Doc: copy-edit "jsonb Indexing" section.

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

Commit: 0ccef410e4c35fd6a742091736b6fe1997eec6d3
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2022-06-08T16:01:51Z
Releases: 14.4
Doc: copy-edit "jsonb Indexing" section.

The patch introducing jsonpath dropped a para about that between
two related examples, and didn't bother updating the introductory
sentences that it falsified.  The grammar was pretty shaky as well.

Files

PathChange+/−
doc/src/sgml/json.sgml modified +32 −22

Documentation touched