Install intersphinx extension and edit links

Some anchor links are currently lost on:

* developer/system/template-manager.rst
* user/how-to-guides/how-to-enter-fullscreen-mode.rst

conf.py

@@ -31,6 +31,7 @@ release = '4.2.4'
 
 extensions = [
   'sphinx.ext.autosectionlabel',  # Automatically generate section labels
+  'sphinx.ext.intersphinx',  # Reference other doc projects
   'sphinxnotes.strike', # Add strike-through text support
   'sphinx_reredirects', # Manage redirects in the documentation
   'sphinxext.opengraph', # Add Open Graph meta tags for social media sharing
@@ -49,7 +50,6 @@ redirects = {
         "https://www.qubes-os.org/downloads/",
 }
 
-
 # -- -- Options for highlighting ---------------------------------------------
 
 # Disable syntax highlighting
@@ -101,6 +101,12 @@ linkcheck_ignore = [r'^https?://[^/\s]+\.onion']
 # Prefix section labels with the document name
 autosectionlabel_prefix_document = True
 
+# Allows references to the docs in dev.qubes-os.org
+intersphinx_mapping = {
+    'core-admin': ('https://dev.qubes-os.org/projects/core-admin/en/latest/', None),
+    'core-admin-client': ('https://dev.qubes-os.org/projects/core-admin-client/en/latest/', None),
+}
+
 # Open Graph image for social media sharing
 ogp_image = "https://www.qubes-os.org/attachment/icons/qubes-logo-icon-name-slogan-fb.png"
 # Disable Open Graph image alt text

developer/debugging/windows-debugging.rst

@@ -23,7 +23,7 @@ Modifying the NIC of the target VM
 ----------------------------------
 
 
-You will need to create a custom libvirt config for the target VM. See `the documentation <https://dev.qubes-os.org/projects/core-admin/en/latest/libvirt.html>`__ for overview of how libvirt templates work in Qubes. The following assumes the target VM is named ``target-vm``.
+You will need to create a :external:doc:`custom libvirt config <libvirt>` for the target VM. The following assumes the target VM is named ``target-vm``.
 
 - Edit ``/usr/share/qubes/templates/libvirt/xen.xml`` to prepare our custom config to override just the NIC part of the global template:
 

developer/system/template-manager.rst

@@ -83,7 +83,7 @@ The file structure should be quite similar to previous template RPMs. Namely, th
 
   - Uses ``KEY=VALUE`` format.
 
-  - Fields (corresponding to `qvm-prefs <https://dev.qubes-os.org/projects/core-admin-client/en/stable/manpages/qvm-prefs.html#common-properties>`__ and `qvm-features <https://dev.qubes-os.org/projects/core-admin-client/en/stable/manpages/qvm-features.html#list-of-known-features>`__ tags with the same names)
+  - Fields (corresponding to :external:doc:`qvm-prefs <manpages/qvm-prefs>` and :external:doc:`qvm-features <manpages/qvm-features>` tags with the same names)
 
     - ``virt_mode``
 

user/how-to-guides/how-to-enter-fullscreen-mode.rst

@@ -51,7 +51,7 @@ Enabling fullscreen mode from a selected qube
 
 .. warning:: Be sure to read :ref:`secure-use-of-fullscreen-mode` first.
 
-As an alternative to the Xfce4 method, you can enable fullscreen mode for selected qubes by using the `gui-allow-fullscreen <https://dev.qubes-os.org/projects/core-admin-client/en/latest/manpages/qvm-features.html#gui-gui-default>`__ feature of a qube.
+As an alternative to the Xfce4 method, you can enable fullscreen mode for selected qubes by using the :external:doc:`gui-allow-fullscreen <manpages/qvm-features>` feature of a qube.
 
 Be sure to restart the qube after modifying this feature, for the changes to take effect.
 

user/reference/tools.rst

@@ -7,11 +7,8 @@ Dom0
 ----
 
 
-- `core-admin <https://dev.qubes-os.org/projects/core-admin/en/latest/manpages/>`__
+- :external+core-admin:doc:`core-admin <manpages/index>`
-
+- :external+core-admin-client:doc:`core-admin-client <manpages/index>`
-- `core-admin-client <https://dev.qubes-os.org/projects/core-admin-client/en/latest/manpages/>`__
-
-
 
 DomU
 ----