Fix could not reference equations if `:nowrap:` option specified

CHANGES

@@ -14,6 +14,7 @@ Bugs fixed
 * #2901: Fix epub result: skip creating links from image tags to original image files.
 * #2917: inline code is hyphenated on HTML
 * #1462: autosummary warns for namedtuple with attribute with trailing underscore
+* Could not reference equations if ``:nowrap:`` option specified
 
 Release 1.4.6 (released Aug 20, 2016)
 =====================================

sphinx/ext/mathbase.py

@@ -131,10 +131,11 @@ def latex_visit_math(self, node):
 
 
 def latex_visit_displaymath(self, node):
+    label = node['label'] and node['docname'] + '-' + node['label'] or None
     if node['nowrap']:
+        self.body.append(r'\label{%s}' % label)
         self.body.append(node['latex'])
     else:
-        label = node['label'] and node['docname'] + '-' + node['label'] or None
         self.body.append(wrap_displaymath(node['latex'], label,
                                           self.builder.config.math_number_all))
     raise nodes.SkipNode