Doc: copy-edit "jsonb Indexing" section.

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

Commit: abed46aea4739c78802ab2ce5e93dc9a7e23c113
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2022-06-08T16:01:51Z
Releases: 15.0
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