Add the "oldcmarkup" extension, to help migrating to 1.0.

tests/root/conf.py

@@ -6,7 +6,8 @@ sys.path.append(os.path.abspath('.'))
 
 extensions = ['sphinx.ext.autodoc', 'sphinx.ext.jsmath', 'sphinx.ext.todo',
               'sphinx.ext.coverage', 'sphinx.ext.autosummary',
-              'sphinx.ext.doctest', 'sphinx.ext.extlinks', 'ext']
+              'sphinx.ext.doctest', 'sphinx.ext.extlinks',
+              'sphinx.ext.oldcmarkup', 'ext']
 
 jsmath_path = 'dummy.js'
 

tests/root/objects.txt

@@ -73,6 +73,14 @@ C items
 .. c:var:: sphinx_global
 
 
+Old C items (from oldcmarkup ext)
+---------------------------------
+
+.. cfunction:: Sphinx_Func()
+
+Refer to :cfunc:`Sphinx_Func`.
+
+
 Javascript items
 ================
 

tests/test_build_html.py

@@ -157,6 +157,8 @@ HTML_XPATH = {
         ".//a[@href='#SPHINX_USE_PYTHON']": '',
         ".//a[@href='#SphinxType']": '',
         ".//a[@href='#sphinx_global']": '',
+        # reference from old C markup extension
+        ".//a[@href='#Sphinx_Func']": '',
         # test global TOC created by toctree()
         ".//ul[@class='current']/li[@class='toctree-l1 current']/a[@href='']":
             'Testing object descriptions',