Updated links to latest version of PostGIS docs.

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

@@ -166,7 +166,7 @@ to be in the units of the field.
 
 .. note::
 
-    In PostGIS 1.5, ``ST_Distance_Sphere`` does *not* limit the geometry types
+    In PostGIS, ``ST_Distance_Sphere`` does *not* limit the geometry types
     geographic distance queries are performed with. [#fndistsphere15]_  However,
     these queries may take a long time, as great-circle distances must be
     calculated on the fly for *every* row in the query.  This is because the
@@ -312,9 +312,9 @@ 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).
-.. [#fnewkb] *See* `PostGIS EWKB, EWKT and Canonical Forms <http://postgis.net/docs/manual-1.5/ch04.html#EWKB_EWKT>`_, PostGIS documentation at Ch. 4.1.2.
+.. [#fnewkb] *See* `PostGIS EWKB, EWKT and Canonical Forms <http://postgis.net/docs/manual-2.1/using_postgis_dbmanagement.html#EWKB_EWKT>`_, PostGIS documentation at Ch. 4.1.2.
 .. [#fngeojson] *See* Howard Butler, Martin Daly, Allan Doyle, Tim Schaub, & Christopher Schmidt, `The GeoJSON Format Specification <http://geojson.org/geojson-spec.html>`_, Revision 1.0 (June 16, 2008).
-.. [#fndistsphere15] *See* `PostGIS 1.5 documentation <http://postgis.net/docs/manual-1.5/ST_Distance_Sphere.html>`_ on ``ST_distance_sphere``.
+.. [#fndistsphere15] *See* `PostGIS documentation <http://postgis.net/docs/manual-2.1/ST_Distance_Sphere.html>`_ on ``ST_distance_sphere``.
 .. [#fnmysqlidx] *See* `Creating Spatial Indexes <http://dev.mysql.com/doc/refman/5.6/en/creating-spatial-indexes.html>`_
    in the MySQL Reference Manual:
 

docs/ref/contrib/gis/install/index.txt

@@ -445,7 +445,7 @@ From within the Application Stack Builder (to run outside of the installer,
 :menuselection:`Start --> Programs --> PostgreSQL 9.x`), select
 :menuselection:`PostgreSQL Database Server 9.x on port 5432` from the drop down
 menu.  Next, expand the :menuselection:`Categories --> Spatial Extensions` menu
-tree and select :menuselection:`PostGIS 1.5 for PostgreSQL 9.x`.
+tree and select :menuselection:`PostGIS X.Y for PostgreSQL 9.x`.
 
 After clicking next, you will be prompted to select your mirror, PostGIS
 will be downloaded, and the PostGIS installer will begin.  Select only the

docs/ref/contrib/gis/install/postgis.txt

@@ -13,7 +13,7 @@ might also need additional libraries, see `PostGIS requirements`_.
     when using GeoDjango with PostGIS.
 
 .. _psycopg2: http://initd.org/psycopg/
-.. _PostGIS requirements: http://www.postgis.org/documentation/manual-2.0/postgis_installation.html#id554707
+.. _PostGIS requirements: http://postgis.net/docs/manual-2.1/postgis_installation.html#install_requirements
 
 On Debian/Ubuntu, you are advised to install the following packages:
 postgresql-x.x, postgresql-x.x-postgis, postgresql-server-dev-x.x,
@@ -26,9 +26,9 @@ Building from source
 
 First download the source archive, and extract::
 
-    $ wget http://download.osgeo.org/postgis/source/postgis-2.0.3.tar.gz
-    $ tar xzf postgis-2.0.3.tar.gz
-    $ cd postgis-2.0.3
+    $ wget http://download.osgeo.org/postgis/source/postgis-2.1.5.tar.gz
+    $ tar xzf postgis-2.1.5.tar.gz
+    $ cd postgis-2.1.5
 
 Next, configure, make and install PostGIS::
 

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

@@ -183,17 +183,15 @@ details.
 
 .. note::
 
-    Geography support is limited only to PostGIS 1.5+, and will
-    force the SRID to be 4326.
+    Geography support is limited to PostGIS and will force the SRID to be 4326.
 
 .. _geography-type:
 
 Geography Type
 ^^^^^^^^^^^^^^
 
-In PostGIS 1.5, the geography type was introduced -- it provides
-native support for spatial features represented with geographic
-coordinates (e.g., WGS84 longitude/latitude). [#fngeography]_
+The geography type provides native support for spatial features represented
+with geographic coordinates (e.g., WGS84 longitude/latitude). [#fngeography]_
 Unlike the plane used by a geometry type, the geography type uses a spherical
 representation of its data.  Distance and measurement operations
 performed on a geography column automatically employ great circle arc
@@ -214,7 +212,7 @@ available for geography columns:
 
 For more information, the PostGIS documentation contains a helpful section on
 determining `when to use geography data type over geometry data type
-<http://postgis.net/docs/manual-1.5/ch04.html#PostGIS_GeographyVSGeometry>`_.
+<http://postgis.net/docs/manual-2.1/using_postgis_dbmanagement.html#PostGIS_GeographyVSGeometry>`_.
 
 ``GeoManager``
 ==============
@@ -252,5 +250,5 @@ for example::
 .. [#fnsrid] Typically, SRID integer corresponds to an EPSG (`European Petroleum Survey Group <http://www.epsg.org>`_) identifier.  However, it may also be associated with custom projections defined in spatial database's spatial reference systems table.
 .. [#fnharvard] Harvard Graduate School of Design, `An Overview of Geodesy and Geographic Referencing Systems <http://www.gsd.harvard.edu/gis/manual/projections/fundamentals/>`_.  This is an excellent resource for an overview of principles relating to geographic and Cartesian coordinate systems.
 .. [#fnthematic] Terry A. Slocum, Robert B. McMaster, Fritz C. Kessler, & Hugh H. Howard, *Thematic Cartography and Geographic Visualization* (Prentice Hall, 2nd edition), at Ch. 7.1.3.
-.. [#fndist] This limitation does not apply to PostGIS 1.5.  It should be noted that even in previous versions of PostGIS, this isn't impossible using GeoDjango; you could for example, take a known point in a projected coordinate system, buffer it to the appropriate radius, and then perform an intersection operation with the buffer transformed to the geographic coordinate system.
-.. [#fngeography] Please refer to the `PostGIS Geography Type <http://postgis.net/docs/manual-1.5/ch04.html#PostGIS_Geography>`_ documentation for more details.
+.. [#fndist] This limitation does not apply to PostGIS.
+.. [#fngeography] Please refer to the `PostGIS Geography Type <http://postgis.net/docs/manual-2.1/using_postgis_dbmanagement.html#PostGIS_Geography>`_ documentation for more details.

docs/ref/contrib/gis/testing.txt

@@ -36,10 +36,10 @@ When GeoDjango's spatial backend initializes on PostGIS, it has to perform
 an SQL query to determine the version in order to figure out what
 features are available. Advanced users wishing to prevent this additional
 query may set the version manually using a 3-tuple of integers specifying
-the major, minor, and subminor version numbers for PostGIS. For example,
-to configure for PostGIS 1.5.2 you would use::
+the major, minor, and micro version numbers for PostGIS. For example,
+to configure for PostGIS X.Y.Z you would use::
 
-    POSTGIS_VERSION = (1, 5, 2)
+    POSTGIS_VERSION = (X, Y, Z)
 
 Obtaining sufficient privileges
 -------------------------------