DOC: add SOURCELINK_SUFFIX for compatibility with Sphinx 1.5

mitya57 · mitya57 · commit 53e6bc46d2f0 · 2017-02-16T11:58:43.000+03:00
With Sphinx 1.5, this is needed by searchtools.js to display the source snippets (see sphinx-doc/sphinx#2454). With earlier Sphinx versions, this is a no-op because the undefined variable will evaluate to an empty string.
diff --git a/doc/_templates/layout.html b/doc/_templates/layout.html
@@ -82,7 +82,8 @@ <h3>{{ _('Navigation') }}</h3>
         VERSION:     '{{ release|e }}',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '{{ '' if no_search_suffix else file_suffix }}',
-        HAS_SOURCE:  {{ has_source|lower }}
+        HAS_SOURCE:  {{ has_source|lower }},
+        SOURCELINK_SUFFIX: '{{ sourcelink_suffix }}'
       };
     </script>
     {%- for scriptfile in script_files %}
