Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 11153)
+++ trunk/data/validator/combinations.mapcss	(revision 11159)
@@ -338,5 +338,5 @@
 
 /* #9593, #11183, #12418, #12761 */
-*[sport][!building][!club][tourism != hotel][highway != raceway][leisure !~ /^(sports_centre|stadium|track|pitch|golf_course|water_park|swimming_pool|recreation_ground|ice_rink|horse_riding)$/][natural !~ /^(beach|bare_rock|cliff|peak|water)$/][amenity !~ /^(pub|restaurant|swimming_pool)$/][landuse !~ /^(recreation_ground|piste|farm|farmland)$/][barrier !~ /^(wall|retaining_wall)$/][!"piste:type"][shop!=sports] {
+*[sport][sport!=skiing][!building][!club][tourism != hotel][highway != raceway][leisure !~ /^(sports_centre|stadium|track|pitch|golf_course|water_park|swimming_pool|recreation_ground|ice_rink|horse_riding)$/][natural !~ /^(beach|bare_rock|cliff|peak|water)$/][amenity !~ /^(pub|restaurant|swimming_pool)$/][landuse !~ /^(recreation_ground|piste|farm|farmland)$/][barrier !~ /^(wall|retaining_wall)$/][!"piste:type"][shop!=sports] {
     throwWarning: tr("sport without physical feature");
     group: tr("missing tag");
@@ -344,5 +344,5 @@
     assertNoMatch: "node sport=tennis leisure=pitch";
     assertNoMatch: "node sport=beachvolleyball natural=beach";
-    assertNoMatch: "node sport=skiiing landuse=piste";
+    assertNoMatch: "node sport=skiing"; /* skiing has deprecated warning */
     assertNoMatch: "node sport=swimming tourism=hotel";
     assertNoMatch: "node sport=10pin amenity=restaurant";
Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 11153)
+++ trunk/data/validator/deprecated.mapcss	(revision 11159)
@@ -524,7 +524,8 @@
 
 /* unclear definition, see #11183 */
-*[sport=skiing][!piste:type] {
+*[sport=skiing] {
   throwWarning: tr("Definition of {0} is unclear", "{0.tag}");
-  suggestAlternative: {1.key};
+  suggestAlternative: tr("{0} + {1} + {2}", "piste:type=*", "piste:difficulty=*", "piste:grooming=*");
+  group: tr("deprecated tagging");
 }