Refs #32720 -- Fixed some broken links in docs.

docs/ref/contrib/gis/db-api.txt

@@ -401,7 +401,7 @@ Aggregate                PostGIS  Oracle  SpatiaLite
 =======================  =======  ======  ==========
 
 .. rubric:: Footnotes
-.. [#fnwkt] *See* Open Geospatial Consortium, Inc., `OpenGIS Simple Feature Specification For SQL <http://www.opengis.org/docs/99-049.pdf>`_, Document 99-049 (May 5, 1999), at  Ch. 3.2.5, p. 3-11 (SQL Textual Representation of Geometry).
+.. [#fnwkt] *See* Open Geospatial Consortium, Inc., `OpenGIS Simple Feature Specification For SQL <https://portal.ogc.org/files/?artifact_id=829>`_, Document 99-049 (May 5, 1999), at  Ch. 3.2.5, p. 3-11 (SQL Textual Representation of Geometry).
 .. [#fnewkb] *See* `PostGIS EWKB, EWKT and Canonical Forms <https://postgis.net/docs/using_postgis_dbmanagement.html#EWKB_EWKT>`_, PostGIS documentation at Ch. 4.1.2.
 .. [#fndistsphere15] *See* `PostGIS documentation <https://postgis.net/docs/ST_DistanceSphere.html>`_ on ``ST_DistanceSphere``.
 .. [#] Refer :ref:`mysql-spatial-limitations` section for more details.

docs/ref/contrib/gis/geoquerysets.txt

@@ -935,7 +935,7 @@ Example::
     >>> u = Zipcode.objects.filter(poly__within=bbox).aggregate(Union(poly))  # A more sensible approach.
 
 .. rubric:: Footnotes
-.. [#fnde9im] *See* `OpenGIS Simple Feature Specification For SQL <http://www.opengis.org/docs/99-049.pdf>`_, at Ch. 2.1.13.2, p. 2-13 (The Dimensionally Extended Nine-Intersection Model).
+.. [#fnde9im] *See* `OpenGIS Simple Feature Specification For SQL <https://portal.ogc.org/files/?artifact_id=829>`_, at Ch. 2.1.13.2, p. 2-13 (The Dimensionally Extended Nine-Intersection Model).
 .. [#fnsdorelate] *See* `SDO_RELATE documentation <https://docs.oracle.com/en/
    database/oracle/oracle-database/18/spatl/spatial-operators-reference.html#
    GUID-97C17C18-F05E-49B4-BE11-E89B972E2A02>`_, from the Oracle Spatial and

docs/ref/contrib/gis/tutorial.txt

@@ -38,7 +38,7 @@ basic apps`_ project. [#]_
 
 .. _OGC: https://www.opengeospatial.org/
 .. _world borders: https://thematicmapping.org/downloads/world_borders.php
-.. _GeoDjango basic apps: https://code.google.com/p/geodjango-basic-apps/
+.. _GeoDjango basic apps: https://code.google.com/archive/p/geodjango-basic-apps
 
 Setting Up
 ==========
@@ -737,7 +737,7 @@ position.
 
 .. _OpenLayers: https://openlayers.org/
 .. _Open Street Map: https://www.openstreetmap.org/
-.. _Vector Map Level 0: https://earth-info.nga.mil/publications/vmap0.html
+.. _Vector Map Level 0: http://web.archive.org/web/20201024202709/https://earth-info.nga.mil/publications/vmap0.html
 .. _OSGeo: https://www.osgeo.org/
 
 .. _osmgeoadmin-intro:

docs/ref/contrib/syndication.txt

@@ -16,7 +16,7 @@ Django also comes with a lower-level feed-generating API. Use this if
 you want to generate feeds outside of a Web context, or in some other
 lower-level way.
 
-.. _RSS: http://www.whatisrss.com/
+.. _RSS: https://developer.mozilla.org/en-US/docs/Glossary/RSS
 
 The high-level framework
 ========================

docs/releases/1.0.txt

@@ -132,7 +132,7 @@ will be merged into the main Django documentation shortly. Huge thanks go to
 Justin Bronn, Jeremy Dunck, Brett Hoerner and Travis Pinney for their efforts in
 creating and completing this feature.
 
-See http://geodjango.org/ for details.
+See :doc:`GeoDjango </ref/contrib/gis/index>` for details.
 
 .. _Geographic Information Systems: https://en.wikipedia.org/wiki/Geographic_information_system
 

docs/releases/1.1.txt

@@ -347,8 +347,8 @@ For full details, see :ref:`the documentation on defining URL namespaces
 GeoDjango
 ---------
 
-In Django 1.1, GeoDjango_ (i.e. ``django.contrib.gis``) has several new
-features:
+In Django 1.1, :doc:`GeoDjango </ref/contrib/gis/index>` (i.e.
+``django.contrib.gis``) has several new features:
 
 * Support for SpatiaLite_ -- a spatial database for SQLite -- as a spatial
   backend.
@@ -363,7 +363,6 @@ features:
 
 For more details, see the GeoDjango documentation.
 
-.. _geodjango: http://geodjango.org/
 .. _spatialite: https://www.gaia-gis.it/gaia-sins/
 
 Other improvements

docs/releases/1.2.txt

@@ -370,8 +370,7 @@ The GDAL interface now allows the user to set a
 when iterating over a :class:`~django.contrib.gis.gdal.Layer`.
 
 Finally, :doc:`GeoDjango's documentation </ref/contrib/gis/index>` is now
-included with Django's and is no longer
-hosted separately at `geodjango.org <http://geodjango.org/>`_.
+included with Django's and is no longer hosted separately at ``geodjango.org``.
 
 .. _1.2-js-assisted-inlines:
 

docs/releases/1.3.txt

@@ -72,7 +72,7 @@ extended.
 See :doc:`the documentation on class-based generic views</topics/class-based-views/index>`
 for more details. There is also a document to help you `convert
 your function-based generic views to class-based
-views <https://docs.djangoproject.com/en/1.4/topics/generic-views-migration/>`_.
+views <https://raw.githubusercontent.com/django/django/ea9dc9f4b03ae034c1dc080730422dda7a9c2e47/docs/topics/generic-views-migration.txt>`_.
 
 Logging
 -------

docs/releases/1.4.txt

@@ -593,7 +593,7 @@ Django 1.4 also includes several smaller improvements worth noting:
 * The :djadmin:`makemessages` command uses a new and more accurate lexer,
   `JsLex`_, for extracting translatable strings from JavaScript files.
 
-.. _JsLex: https://bitbucket.org/ned/jslex
+.. _JsLex: https://pypi.org/project/jslex/
 
 * The :ttag:`trans` template tag now takes an optional ``as`` argument to
   be able to retrieve a translation string without displaying it but setting

docs/topics/db/transactions.txt

@@ -632,7 +632,7 @@ function in autocommit mode: statements will be executed and committed as soon
 as they're called. If your MySQL setup *does* support transactions, Django
 will handle transactions as explained in this document.
 
-.. _information on MySQL transactions: https://dev.mysql.com/doc/refman/en/sql-syntax-transactions.html
+.. _information on MySQL transactions: https://dev.mysql.com/doc/refman/en/sql-transactional-statements.html
 
 Handling exceptions within PostgreSQL transactions
 --------------------------------------------------