add docs for showvirtualenv

Author: dhellmann

docs/en/command_ref.rst

@@ -54,17 +54,34 @@ List all of the environments.
 
 Syntax::
 
-    lsvirtualenv [-l] [-h]
+    lsvirtualenv [-b] [-l] [-h]
 
+-b
+  Brief mode, disables verbose output.
 -l
-  Long mode, enables verbose output.
+  Long mode, enables verbose output.  Default.
 -h
   Print the help for lsvirtualenv.
 
 .. seealso::
 
    * :ref:`scripts-get_env_details`
 
+.. _command-showvirtualenv:
+
+showvirtualenv
+--------------
+
+Show the details for a single virtualenv.
+
+Syntax::
+
+    showvirtualenv [env]
+
+.. seealso::
+
+   * :ref:`scripts-get_env_details`
+
 rmvirtualenv
 ------------
 

docs/en/history.rst

@@ -2,6 +2,11 @@
 Release History
 ===============
 
+2.5
+
+  - Add :ref:`command-showvirtualenv` command.  Modify
+    :ref:`command-lsvirtualenv` to make verbose output the default.
+
 2.4
 
   - Add :ref:`command-lsvirtualenv` command with ``-l`` option to run