--- ./docs/conf.py.orig	2017-09-14 00:41:41.030687903 +0200
+++ ./docs/conf.py	2017-09-14 00:41:48.546688391 +0200
@@ -33,7 +33,7 @@
 # ones.
 extensions = ['sphinx.ext.intersphinx',
     'sphinx.ext.todo',
-    'sphinx.ext.mathjax',
+#    'sphinx.ext.mathjax',
     'sphinx.ext.ifconfig',
     'sphinx.ext.viewcode']