Support :numref: in other writers

sphinx/writers/manpage.py

@@ -246,6 +246,11 @@ class ManualPageTranslator(BaseTranslator):
                     '>'])
         raise nodes.SkipNode
 
+    def visit_number_reference(self, node):
+        text = nodes.Text(node.get('title', '#'))
+        self.visit_Text(text)
+        raise nodes.SkipNode
+
     def visit_centered(self, node):
         self.ensure_eol()
         self.body.append('.sp\n.ce\n')

sphinx/writers/texinfo.py

@@ -722,6 +722,11 @@ class TexinfoTranslator(nodes.NodeVisitor):
     def depart_reference(self, node):
         pass
 
+    def visit_number_reference(self, node):
+        text = nodes.Text(node.get('title', '#'))
+        self.visit_Text(text)
+        raise nodes.SkipNode
+
     def visit_title_reference(self, node):
         text = node.astext()
         self.body.append('@cite{%s}' % self.escape_arg(text))

sphinx/writers/text.py

@@ -748,6 +748,11 @@ class TextTranslator(nodes.NodeVisitor):
     def depart_reference(self, node):
         pass
 
+    def visit_number_reference(self, node):
+        text = nodes.Text(node.get('title', '#'))
+        self.visit_Text(text)
+        raise nodes.SkipNode
+
     def visit_download_reference(self, node):
         pass
     def depart_download_reference(self, node):