Refs #36485 -- Rewrapped docs to 79 columns line length.

Lines in the docs files were manually adjusted to conform to the
79 columns limit per line (plus newline), improving readability and
consistency across the content.

docs/ref/contrib/postgres/fields.txt

@@ -11,8 +11,8 @@ Indexing these fields
 =====================
 
 :class:`~django.db.models.Index` and :attr:`.Field.db_index` both create a
-B-tree index, which isn't particularly helpful when querying complex data types.
-Indexes such as :class:`~django.contrib.postgres.indexes.GinIndex` and
+B-tree index, which isn't particularly helpful when querying complex data
+types. Indexes such as :class:`~django.contrib.postgres.indexes.GinIndex` and
 :class:`~django.contrib.postgres.indexes.GistIndex` are better suited, though
 the index choice is dependent on the queries that you're using. Generally, GiST
 may be a good choice for the :ref:`range fields <range-fields>` and
@@ -450,8 +450,8 @@ operator ``?|``. For example:
 ``has_keys``
 ~~~~~~~~~~~~
 
-Returns objects where all of the given keys are in the data. Uses the SQL operator
-``?&``. For example:
+Returns objects where all of the given keys are in the data. Uses the SQL
+operator ``?&``. For example:
 
 .. code-block:: pycon
 
@@ -741,8 +741,8 @@ passed range.
 ``not_gt``
 ^^^^^^^^^^
 
-The returned ranges do not contain any points greater than the passed range, that
-is the upper bound of the returned range is at most the upper bound of the
+The returned ranges do not contain any points greater than the passed range,
+that is the upper bound of the returned range is at most the upper bound of the
 passed range.
 
     >>> Event.objects.filter(ages__not_gt=NumericRange(3, 10))

docs/ref/contrib/postgres/lookups.txt

@@ -88,7 +88,8 @@ can be chained with other lookup functions. To use it, you need to add
 ``'django.contrib.postgres'`` in your :setting:`INSTALLED_APPS` and activate
 the `unaccent extension on PostgreSQL`_. The
 :class:`~django.contrib.postgres.operations.UnaccentExtension` migration
-operation is available if you want to perform this activation using migrations).
+operation is available if you want to perform this activation using
+migrations).
 
 .. _unaccent extension on PostgreSQL: https://www.postgresql.org/docs/current/unaccent.html
 
@@ -105,7 +106,7 @@ The ``unaccent`` lookup can be used on
 
 .. warning::
 
-    ``unaccent`` lookups should perform fine in most use cases. However, queries
-    using this filter will generally perform full table scans, which can be slow
-    on large tables. In those cases, using dedicated full text indexing tools
-    might be appropriate.
+    ``unaccent`` lookups should perform fine in most use cases. However,
+    queries using this filter will generally perform full table scans, which
+    can be slow on large tables. In those cases, using dedicated full text
+    indexing tools might be appropriate.

docs/ref/contrib/postgres/search.txt

@@ -295,8 +295,7 @@ the search vector you wish to use. For example::
         name="search_vector_idx",
     )
 
-The PostgreSQL documentation has details on
-`creating indexes for full text search
+The PostgreSQL docs has details on `creating indexes for full text search
 <https://www.postgresql.org/docs/current/textsearch-tables.html#TEXTSEARCH-TABLES-INDEX>`_.
 
 ``SearchVectorField``