Agenda: Fix incomplete docstring of `org-agenda'.

Reported by Jonathan Moore.

lisp/ChangeLog

@@ -1,5 +1,7 @@
 2009-02-13  Carsten Dominik  <carsten.dominik@gmail.com>
 
+	* org-agenda.el (org-agenda): Fix docstring.
+
 	* org.el ("org-plot"): Help loading org-plot.
 	(org-metaleft-hook, org-metaright-hook, org-metaup-hook)
 	(org-metadown-hook, org-shiftmetaleft-hook)

lisp/org-agenda.el

@@ -1444,6 +1444,15 @@ m     Call `org-tags-view' to display headlines with tags matching
 M     Like `m', but select only TODO entries, no ordinary headlines.
 L     Create a timeline for the current buffer.
 e     Export views to associated files.
+s     Search entries for keywords.
+/     Multi occur accros all agenda files and also files listed
+      in `org-agenda-text-search-extra-files'.
+<     Restrict agenda commands to buffer, subtree, or region.
+      Press several times to get the desired effect.
+>     Remove a previous restriction.
+#     List \"stuck\" projects.
+!     Configure what \"stuck\" means.
+C     Configure custom agenda commands.
 
 More commands can be added by configuring the variable
 `org-agenda-custom-commands'.  In particular, specific tags and TODO keyword