Fix bug

lisp/ChangeLog

@@ -1,3 +1,8 @@
+2009-11-26  Carsten Dominik  <carsten.dominik@gmail.com>
+
+	* org-agenda.el (org-agenda-filter-by-tag): Use char argument from
+	parameter list.
+
 2009-11-25  Carsten Dominik  <carsten.dominik@gmail.com>
 
 	* org-latex.el (org-export-latex-parse-global)

lisp/org-agenda.el

@@ -5130,7 +5130,7 @@ to switch to narrowing."
 	 (effort-prompt "")
 	 (inhibit-read-only t)
 	 (current org-agenda-filter)
-	 char a n tag)
+	 a n tag)
     (unless char
       (message
        "%s by tag [%s ], [TAB], %s[/]:off, [+-]:narrow, [>=<?]:effort: "