Index: /trunk/data/validator/deprecated.mapcss
===================================================================
--- /trunk/data/validator/deprecated.mapcss	(revision 8183)
+++ /trunk/data/validator/deprecated.mapcss	(revision 8184)
@@ -422,2 +422,17 @@
   suggestAlternative: "drinking_water";
 }
+
+/* see #10329 */
+*[color][!colour] {
+  throwWarning: tr("{0} is deprecated", "{0.key}");
+  suggestAlternative: "colour";
+  fixChangeKey: "color => colour";
+}
+*[color][colour][tag(color)=tag(colour)] {
+  throwWarning: tr("{0} together with {1}", "{0.tag}", "{1.tag}");
+  set samecolor;
+  fixRemove: "color";
+}
+*[color][colour]!.samecolor {
+  throwWarning: tr("{0} together with {1}", "{0.tag}", "{1.tag}");
+}