* Lowercase glossary terms

* Consistently format None, True and False.

sphinx/directives.py

@@ -643,7 +643,8 @@ def glossary_directive(name, arguments, options, content, lineno,
             env.gloss_entries.add(new_id)
             li[0]['names'].append(new_id)
             li[0]['ids'].append(new_id)
-            state.document.settings.env.note_reftarget('term', termtext, new_id)
+            state.document.settings.env.note_reftarget('term', termtext.lower(),
+                                                       new_id)
     return [node]
 
 glossary_directive.content = 1

sphinx/roles.py

@@ -117,7 +117,7 @@ def xfileref_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
         text = text[1:]
         pnode['refspecific'] = True
     if typ == 'term':
-        pnode['reftarget'] = ws_re.sub(' ', text)
+        pnode['reftarget'] = ws_re.sub(' ', text).lower()
     elif typ == 'option':
         pnode['reftarget'] = text[1:] if text[0] in '-/' else text
     else:

sphinx/writer.py

@@ -160,6 +160,13 @@ def translator_class(config, buildername):
             self.body.append(highlight_block(node.rawsource, self.highlightlang))
             raise nodes.SkipNode
 
+        # overwritten
+        def visit_literal(self, node):
+            if len(node.children) == 1 and \
+                   node.children[0] in ('None', 'True', 'False'):
+                node['classes'].append('xref')
+            BaseTranslator.visit_literal(self, node)
+
         def visit_productionlist(self, node):
             self.body.append(self.starttag(node, 'pre'))
             names = []