Improve docstring of `org-entities-user'

lisp/ChangeLog

@@ -1,3 +1,7 @@
+2010-04-07  Carsten Dominik  <carsten.dominik@gmail.com>
+
+	* org-entities.el (org-entities-user): Improve docstring.
+
 2010-04-06  Carsten Dominik  <carsten.dominik@gmail.com>
 
 	* org-entities.el (org-macs): Require org-macs, to be sure that we

lisp/org-entities.el

@@ -62,8 +62,11 @@ ASCII replacement    Plain ASCII, no extensions.  Symbols that cannot be
                      represented will be written out as an explanatory text.
                      But see the variable `org-entities-ascii-keep-macro-form'.
 Latin1 replacement   Use the special characters available in latin1.
-utf-8 replacement    Use special character available in utf-8."
-  :group 'org-entities
+utf-8 replacement    Use special character available in utf-8.
+
+If you define new entities here that require specific LaTeX packages to be
+loaded, add these packages to `org-export-latex-packages-alist'."
+  :Group 'org-entities
   :type '(repeat
 	  (list
 	   (string :tag "name  ")