Fix more doc references. (matplotlib#15088)

Again fixing some broken some references from a PR that was CI'd before
the missing-references.json PR.  Here I just added proper reference
targets for the mpl_toolkits.{axes_grid1,axisartis} modules.

Author: anntzer

doc/api/next_api_changes/2018-02-10-AL.rst

@@ -16,10 +16,10 @@ The main differences are:
   ``colorbar.yaxis`` depending on the orientation, rather than
   ``colorbar.cbar_axis``.
 - Overdrawing multiple colorbars on top of one another in a single Axes (e.g.
-  when using the ``cax`` attribute of `ImageGrid` elements) is not supported;
-  if you previously relied on the second colorbar being drawn over the first,
-  you can call ``cax.cla()`` to clear the axes before drawing the second
-  colorbar.
+  when using the ``cax`` attribute of `~.axes_grid1.axes_grid.ImageGrid`
+  elements) is not supported; if you previously relied on the second colorbar
+  being drawn over the first, you can call ``cax.cla()`` to clear the axes
+  before drawing the second colorbar.
 
 During the deprecation period, the ``mpl_toolkits.legacy_colorbar``
 rcParam can be set to True to use ``mpl_toolkits.axes_grid1.colorbar`` in

doc/api/toolkits/axes_grid1.rst

@@ -1,9 +1,9 @@
-.. _toolkit_axesgrid1-index:
+.. module:: mpl_toolkits.axes_grid1
 
 Matplotlib axes_grid1 Toolkit
 =============================
 
-The matplotlib :class:`mpl_toolkits.axes_grid1` toolkit is a collection of
+The matplotlib :mod:`mpl_toolkits.axes_grid1` toolkit is a collection of
 helper classes to ease displaying multiple images in matplotlib.  While the
 aspect parameter in matplotlib adjust the position of the single axes,
 axes_grid1 toolkit provides a framework to adjust the position of
@@ -16,8 +16,6 @@ See :ref:`axes_grid1_users-guide-index` for a guide on the usage of axes_grid1.
    :align: center
    :scale: 50
 
-
-
 .. currentmodule:: mpl_toolkits
 
 **The submodules of the axes_grid1 API are:**

doc/api/toolkits/axisartist.rst

@@ -1,4 +1,4 @@
-.. _toolkit_axisartist-index:
+.. module:: mpl_toolkits.axisartist
 
 Matplotlib axisartist Toolkit
 =============================

doc/api/toolkits/index.rst

@@ -6,12 +6,9 @@
 Toolkits
 ########
 
-
-
 Toolkits are collections of application-specific functions that extend
 Matplotlib.
 
-
 .. _toolkit_mplot3d:
 
 mplot3d
@@ -41,20 +38,11 @@ Links
 -----
 * mpl3d API: :ref:`toolkit_mplot3d-api`
 
-.. _toolkit_axes_grid1_incl:
-
 .. include:: axes_grid1.rst
    :start-line: 1
 
-.. _toolkit_axisartist_incl:
-   
 .. include:: axisartist.rst
    :start-line: 1
 
-.. _toolkit_axes_grid_incl:
-   
 .. include:: axes_grid.rst
    :start-line: 1
-
-
-

examples/axes_grid1/simple_anchored_artists.py

@@ -4,7 +4,7 @@
 =======================
 
 This example illustrates the use of the anchored helper classes found in
-:py:mod:`~matplotlib.offsetbox` and in the :ref:`toolkit_axesgrid1-index`.
+:mod:`matplotlib.offsetbox` and in :mod:`mpl_toolkits.axes_grid1`.
 An implementation of a similar figure, but without use of the toolkit,
 can be found in :doc:`/gallery/misc/anchored_artists`.
 """

examples/axisartist/demo_parasite_axes.py

@@ -12,8 +12,8 @@
 An alternative approach using standard Matplotlib subplots is shown in the
 :doc:`/gallery/ticks_and_spines/multiple_yaxis_with_spines` example.
 
-An alternative approach using the :ref:`toolkit_axesgrid1-index`
-and :ref:`toolkit_axisartist-index` is found in the
+An alternative approach using :mod:`mpl_toolkits.axes_grid1`
+and :mod:`mpl_toolkits.axisartist` is found in the
 :doc:`/gallery/axisartist/demo_parasite_axes2` example.
 """
 

examples/misc/anchored_artists.py

@@ -4,7 +4,7 @@
 ================
 
 This example illustrates the use of the anchored objects without the
-helper classes found in the :ref:`toolkit_axesgrid1-index`. This version
+helper classes found in :mod:`mpl_toolkits.axes_grid1`. This version
 of the figure is similar to the one found in
 :doc:`/gallery/axes_grid1/simple_anchored_artists`, but it is
 implemented using only the matplotlib namespace, without the help

tutorials/intermediate/tight_layout_guide.py

@@ -316,7 +316,7 @@ def example_plot(ax, fontsize=12):
 # Use with AxesGrid1
 # ==================
 #
-# While limited, the axes_grid1 toolkit is also supported.
+# While limited, :mod:`mpl_toolkits.axes_grid1` is also supported.
 
 from mpl_toolkits.axes_grid1 import Grid