* lisp/international/mule-cmds.el (set-language-environment): Doc fix.

lisp/ChangeLog

+2012-04-14  Glenn Morris  <rgm@gnu.org>
+
+	* international/mule-cmds.el (set-language-environment): Doc fix.
+
 2012-04-14  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	Avoid the use of ((lambda ...) ...) in lexical-binding code.

lisp/international/mule-cmds.el

@@ -1838,7 +1838,11 @@ The default status is as follows:
 This sets the coding system priority and the default input method
 and sometimes other things.  LANGUAGE-NAME should be a string
 which is the name of a language environment.  For example, \"Latin-1\"
-specifies the character set for the major languages of Western Europe."
+specifies the character set for the major languages of Western Europe.
+
+If there is a prior value for `current-language-environment', this
+runs the hook `exit-language-environment-hook'.  After setting up
+the new language environment, it runs `set-language-environment-hook'."
   (interactive (list (read-language-name
 		      nil
 		      "Set language environment (default English): ")))