Support :numref: in LaTeX writer

4 files changed, 32 insertions, 5 deletions

diff --git a/sphinx/addnodes.py b/sphinx/addnodes.py
index 9d8c4690..362abd5a 100644
--- a/sphinx/addnodes.py
+++ b/sphinx/addnodes.py
@@ -184,6 +184,10 @@ class pending_xref(nodes.Inline, nodes.Element):
     """
 
 
+class number_reference(nodes.reference):
+    """Node for number references, similar to pending_xref."""
+
+
 class download_reference(nodes.reference):
     """Node for download references, similar to pending_xref."""
 
diff --git a/sphinx/domains/std.py b/sphinx/domains/std.py
index c2290f91..93210618 100644
--- a/sphinx/domains/std.py
+++ b/sphinx/domains/std.py
@@ -579,8 +579,10 @@ class StandardDomain(Domain):
             labels[name] = docname, labelid, sectname
 
     def build_reference_node(self, fromdocname, builder,
-                             docname, labelid, sectname):
-        newnode = nodes.reference('', '', internal=True)
+                             docname, labelid, sectname,
+                             **options):
+        nodeclass = options.pop('nodeclass', nodes.reference)
+        newnode = nodeclass('', '', internal=True, **options)
         innernode = nodes.emphasis(sectname, sectname)
         if docname == fromdocname:
             newnode['refid'] = labelid
@@ -636,12 +638,15 @@ class StandardDomain(Domain):
             title = contnode.astext()
             if labelid == title:
                 prefix = env.config.numfig_prefix.get(figtype, '')
-                title = prefix + '.'.join(map(str, fignumber))
+                title = "%s#" % prefix
+                newtitle = prefix + '.'.join(map(str, fignumber))
             else:
-                title = title.replace('#', '.'.join(map(str, fignumber)))
+                newtitle = title.replace('#', '.'.join(map(str, fignumber)))
 
             return self.build_reference_node(fromdocname, builder,
-                                             docname, labelid, title)
+                                             docname, labelid, newtitle,
+                                             nodeclass=addnodes.number_reference,
+                                             title=title)
         elif typ == 'keyword':
             # keywords are oddballs: they are referenced by named labels
             docname, labelid, _ = self.data['labels'].get(target, ('', '', ''))
diff --git a/sphinx/writers/html.py b/sphinx/writers/html.py
index 82c228bd..f90f8f6c 100644
--- a/sphinx/writers/html.py
+++ b/sphinx/writers/html.py
@@ -212,6 +212,12 @@ class HTMLTranslator(BaseTranslator):
             self.body.append(('%s' + self.secnumber_suffix) %
                              '.'.join(map(str, node['secnumber'])))
 
+    def visit_number_reference(self, node):
+        self.visit_reference(node)
+
+    def depart_number_reference(self, node):
+        self.depart_reference(node)
+
     # overwritten -- we don't want source comments to show up in the HTML
     def visit_comment(self, node):
         raise nodes.SkipNode
diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index ea79761f..2687fc7c 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -1244,6 +1244,18 @@ class LaTeXTranslator(nodes.NodeVisitor):
     def depart_reference(self, node):
         self.body.append(self.context.pop())
 
+    def visit_number_reference(self, node):
+        if node.get('refid'):
+            id = self.curfilestack[-1] + ':' + node['refid']
+        else:
+            id = node.get('refuri', '')[1:].replace('#', ':')
+
+        ref = '\\ref{%s}' % self.idescape(id)
+        title = node.get('title', '#')
+        self.body.append(title.replace('#', ref))
+
+        raise nodes.SkipNode
+
     def visit_download_reference(self, node):
         pass
     def depart_download_reference(self, node):