diff --git a/CHANGES b/CHANGES
index 8074e8a9d..e755e6bcb 100644
--- a/CHANGES
+++ b/CHANGES
@@ -112,6 +112,8 @@ Features added
 Release 1.0.8 (in development)
 ==============================
 
+* #720: Add dummy visitors for graphviz nodes for text and man.
+
 * #704: Fix image file duplication bug.
 
 * #677: Fix parsing of multiple signatures in C++ domain.
diff --git a/sphinx/ext/graphviz.py b/sphinx/ext/graphviz.py
index 886af5058..ee935945d 100644
--- a/sphinx/ext/graphviz.py
+++ b/sphinx/ext/graphviz.py
@@ -25,6 +25,7 @@ from docutils import nodes
 from docutils.parsers.rst import directives
 
 from sphinx.errors import SphinxError
+from sphinx.locale import _
 from sphinx.util.osutil import ensuredir, ENOENT, EPIPE, EINVAL
 from sphinx.util.compat import Directive
 
@@ -294,11 +295,26 @@ def texinfo_visit_graphviz(self, node):
     render_dot_texinfo(self, node, node['code'], node['options'])
 
 
+def text_visit_graphviz(self, node):
+    if 'alt' in node.attributes:
+        self.add_text(_('[graph: %s]') % node['alt'])
+    self.add_text(_('[graph]'))
+
+
+def man_visit_graphviz(self, node):
+    if 'alt' in node.attributes:
+        self.body.append(_('[graph: %s]') % node['alt'] + '\n')
+    self.body.append(_('[graph]'))
+    raise nodes.SkipNode
+
+
 def setup(app):
     app.add_node(graphviz,
                  html=(html_visit_graphviz, None),
                  latex=(latex_visit_graphviz, None),
-                 texinfo=(texinfo_visit_graphviz, None))
+                 texinfo=(texinfo_visit_graphviz, None),
+                 text=(text_visit_graphviz, None),
+                 man=(man_visit_graphviz, None))
     app.add_directive('graphviz', Graphviz)
     app.add_directive('graph', GraphvizSimple)
     app.add_directive('digraph', GraphvizSimple)
diff --git a/sphinx/writers/manpage.py b/sphinx/writers/manpage.py
index 620873bb7..81f2988b2 100644
--- a/sphinx/writers/manpage.py
+++ b/sphinx/writers/manpage.py
@@ -230,8 +230,8 @@ class ManualPageTranslator(BaseTranslator):
     # overwritten -- don't emit a warning for images
     def visit_image(self, node):
         if 'alt' in node.attributes:
-            self.body.append('[image: %s]\n' % node['alt'])
-        self.body.append('[image]\n')
+            self.body.append(_('[image: %s]') % node['alt'] + '\n')
+        self.body.append(_('[image]') + '\n')
         raise nodes.SkipNode
 
     # overwritten -- don't visit inner marked up nodes
diff --git a/sphinx/writers/text.py b/sphinx/writers/text.py
index 5d6f49ec3..e5ab070c7 100644
--- a/sphinx/writers/text.py
+++ b/sphinx/writers/text.py
@@ -434,6 +434,8 @@ class TextTranslator(nodes.NodeVisitor):
         raise nodes.SkipNode
 
     def visit_image(self, node):
+        if 'alt' in node.attributes:
+            self.add_text(_('[image: %s]') % node['alt'])
         self.add_text(_('[image]'))
         raise nodes.SkipNode