diff -NurdB gedit-2.26.3/plugins/externaltools/tools/tools.ui gedit-2.26.3.patched/plugins/externaltools/tools/tools.ui
--- gedit-2.26.3/plugins/externaltools/tools/tools.ui	2009-07-03 03:54:58.000000000 +1000
+++ gedit-2.26.3.patched/plugins/externaltools/tools/tools.ui	2009-10-18 20:03:25.737001974 +1100
@@ -331,7 +331,7 @@
                             <property name="model">model_output</property>
                             <property name="visible">True</property>
                             <child>
-                              <object class="GtkCellRendererText" id="input_renderer"/>
+                              <object class="GtkCellRendererText" id="input_renderer2"/>
                               <attributes>
                                 <attribute name="text">0</attribute>
                               </attributes>
@@ -351,7 +351,7 @@
                             <property name="model">model_input</property>
                             <property name="visible">True</property>
                             <child>
-                              <object class="GtkCellRendererText" id="input_renderer"/>
+                              <object class="GtkCellRendererText" id="input_renderer3"/>
                               <attributes>
                                 <attribute name="text">0</attribute>
                               </attributes>