Index: /trunk/data/validator/deprecated.mapcss
===================================================================
--- /trunk/data/validator/deprecated.mapcss	(revision 10248)
+++ /trunk/data/validator/deprecated.mapcss	(revision 10249)
@@ -844,5 +844,5 @@
 
 /* #12771 */
-way[highway=service][service][service !~ /^(alley|drive-through|driveway|emergency_access|parking_aisle|rest_area)$/],
+way[highway=service][service][service !~ /^(alley|drive-through|drive_through|driveway|emergency_access|parking_aisle|rest_area|yes)$/], /* drive_through and yes have special warnings */
 way[railway=rail][service][service !~ /^(crossover|siding|spur|yard)$/],
 way[waterway=canal][service][service !~ /^(irrigation|transportation|water_power)$/] {