Allow to view full entry from agenda.

A prefix argument to the `org-agenda-show' command is now interpreted
to make sure the entire entry is made visible in the other window, not
only the headline.

doc/org.texi

@@ -5974,6 +5974,8 @@ Previous line (same as @key{down} and @kbd{C-n}).
 @item mouse-3
 @itemx @key{SPC}
 Display the original location of the item in another window.
+With prefix arg, make sure that the entire entry is made visible in the
+outline, not only the heading.
 @c
 @kindex L
 @item L

lisp/ChangeLog

@@ -1,5 +1,8 @@
 2008-12-18  Carsten Dominik  <carsten.dominik@gmail.com>
 
+	* org-agenda.el (org-agenda-show): New prefix argument
+	FULL-ENTRY.
+
 	* org.el (org-sort-entries-or-items): Add a COMPARE-FUNC
 	argument.
 

lisp/org-agenda.el

@@ -4945,11 +4945,16 @@ If this information is not given, the function uses the tree at point."
   (mouse-set-point ev)
   (org-agenda-goto))
 
-(defun org-agenda-show ()
-  "Display the Org-mode file which contains the item at point."
-  (interactive)
+(defun org-agenda-show (&optional full-entry)
+  "Display the Org-mode file which contains the item at point.
+With prefix argument FULL-ENTRY, make the entire entry visible
+if it was hidden in the outline."
+  (interactive "P")
   (let ((win (selected-window)))
-    (org-agenda-goto t)
+    (if full-entry
+	(let ((org-show-entry-below t))
+	  (org-agenda-goto t))
+      (org-agenda-goto t))
     (select-window win)))
 
 (defun org-agenda-recenter (arg)