Allow linking to tables just like figures with :ref:.

CHANGES

@@ -50,6 +50,7 @@ Features added
     ``literalinclude`` directive.
   - #284: All docinfo metadata is now put into the document metadata, not
     just the author.
+  - The ``ref`` role can now also reference tables by caption.
 
 * Configuration:
 

doc/markup/inline.rst

@@ -83,6 +83,9 @@ Cross-referencing arbitrary locations
      a reference ``:ref:`my-figure``` would insert a reference to the figure
      with link text "Figure caption".
 
+     The same works for tables that are given an explicit caption using the
+     :dudir:`table` directive.
+
    * Labels that aren't placed before a section title can still be referenced
      to, but you must give the link an explicit title, using this syntax:
      ``:ref:`Link title <label-name>```.

sphinx/domains/std.py

@@ -410,6 +410,13 @@ class StandardDomain(Domain):
                         break
                 else:
                     continue
+            elif node.tagname == 'table':
+                for n in node:
+                    if n.tagname == 'title':
+                        sectname = clean_astext(n)
+                        break
+                else:
+                    continue
             else:
                 # anonymous-only labels
                 continue