Index: /trunk/data/defaultpresets.xml
===================================================================
--- /trunk/data/defaultpresets.xml	(revision 10510)
+++ /trunk/data/defaultpresets.xml	(revision 10511)
@@ -6945,5 +6945,5 @@
                 <check key="triple_tower" text="Triple tower" />
                 <check key="design:incomplete" text="Incomplete tower" />
-                <check key="tower" text="Location transition" value_on="transition" disable_off="true" />
+                <check key="location:transition" text="Location transition" disable_off="true" />
             </optional>
         </item> <!-- Power Tower -->
@@ -6963,5 +6963,5 @@
             <text key="height" text="Height (meters)" />
             <combo key="material" text="Material" values="metal,plastic,steel,stone,wood,concrete" />
-            <check key="pole" text="Location transition" value_on="transition" disable_off="true" />
+            <check key="location:transition" text="Location transition" disable_off="true" />
             <reference ref="ref_operator_branch" />
         </item> <!-- Pole -->
@@ -6980,5 +6980,5 @@
             <text key="height" text="Height (meters)" />
             <combo key="material" text="Material" values="metal,plastic,steel,stone,wood,concrete" />
-            <check key="pole" text="Location transition" value_on="transition" disable_off="true" />
+            <check key="location:transition" text="Location transition" disable_off="true" />
             <reference ref="ref_operator_branch" />
             <space />
Index: /trunk/data/validator/deprecated.mapcss
===================================================================
--- /trunk/data/validator/deprecated.mapcss	(revision 10510)
+++ /trunk/data/validator/deprecated.mapcss	(revision 10511)
@@ -855,2 +855,16 @@
   suggestAlternative: "species";
 }
+
+/* #13101 */
+node[pole=transition] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  suggestAlternative: "location:transition=yes";
+  fixAdd: "location:transition=yes";
+  fixRemove: "pole";
+}
+node[tower=transition] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  suggestAlternative: "location:transition=yes";
+  fixAdd: "location:transition=yes";
+  fixRemove: "tower";
+}