Configure intersphinx

letsencrypt-apache/docs/conf.py

@@ -24,7 +24,7 @@ import shlex
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
-#needs_sphinx = '1.0'
+needs_sphinx = '1.0'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
@@ -290,5 +290,8 @@ texinfo_documents = [
 #texinfo_no_detailmenu = False
 
 
-# Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {
+    'python': ('https://docs.python.org/', None),
+    'acme': ('https://acme-python.readthedocs.org', None),
+    'letsencrypt': ('https://letsencrypt.readthedocs.org', None),
+}