Index: /trunk/data/defaultpresets.xml
===================================================================
--- /trunk/data/defaultpresets.xml	(revision 15714)
+++ /trunk/data/defaultpresets.xml	(revision 15715)
@@ -468,4 +468,5 @@
      <role key="forward" text="forward segment" requisite="optional" type="way,closedway" />
      <role key="backward" text="backward segment" requisite="optional" type="way,closedway" />
+     <role key="guidepost" text="guidepost" requisite="optional" type="node" member_expression="information=guidepost"/>
   </chunk>
   <chunk id="route_start_stop_roles">
@@ -3676,4 +3677,5 @@
             <reference ref="min_age" />
             <reference ref="max_age" />
+            <combo key="isced:level" text="ISCED level" values="0" />
             <reference ref="link_contact_address" />
             <preset_link preset_name="Building" />
@@ -3685,4 +3687,5 @@
             <reference ref="name_operator_oh_wheelchair" />
             <reference ref="min_age" />
+            <multiselect key="isced:level" text="ISCED level" values="0;1;2;3;4" />
             <reference ref="link_contact_address" />
             <preset_link preset_name="Building" />
@@ -3693,4 +3696,5 @@
             <key key="amenity" value="university" />
             <reference ref="name_operator_oh_wheelchair" />
+            <multiselect key="isced:level" text="ISCED level" values="4;5;6;7;8" />
             <reference ref="link_contact_address" />
         </item> <!-- University -->
@@ -3700,4 +3704,5 @@
             <key key="amenity" value="college" />
             <reference ref="name_operator_oh_wheelchair" />
+            <multiselect key="isced:level" text="ISCED level" values="3;4;5;6;7" />
             <reference ref="link_contact_address" />
         </item> <!-- College -->
@@ -7750,4 +7755,5 @@
                     <role key="" text="infrastructure" requisite="optional" type="node,closedway" member_expression="tourism OR amenity"/>
                     <role key="" text="natural" requisite="optional" type="node,closedway" member_expression="natural=peak OR natural=volcano OR mountain_pass=yes OR natural=water OR tourism=viewpoint OR amenity=drinking_water OR natural=spring OR place=locality"/>
+                    <role key="guidepost" text="guidepost" requisite="optional" type="node" member_expression="information=guidepost"/>
                 </roles>
             </item> <!-- Riding Route -->
@@ -7770,4 +7776,5 @@
                     <role key="variant" text="variant segment" requisite="optional" type="way" />
                     <role key="start" text="entry points" requisite="optional" type="node" />
+                    <role key="guidepost" text="guidepost" requisite="optional" type="node" member_expression="information=guidepost"/>
                 </roles>
             </item> <!-- Piste Route -->
@@ -7790,4 +7797,5 @@
                     <role key="variant" text="variant segment" requisite="optional" type="way" />
                     <role key="start" text="entry points" requisite="optional" type="node" />
+                    <role key="guidepost" text="guidepost" requisite="optional" type="node" member_expression="information=guidepost"/>
                 </roles>
             </item> <!-- Ski Route -->
@@ -7807,4 +7815,5 @@
                     <role key="" text="route segment" requisite="required" type="way,closedway" member_expression="highway|route=ferry"/>
                     <role key="fork" text="fork node for alternative routes" requisite="optional" type="node"/>
+                    <role key="guidepost" text="guidepost" requisite="optional" type="node" member_expression="information=guidepost"/>
                 </roles>
             </item> <!-- Detour Route -->
@@ -7844,4 +7853,5 @@
                     <role key="backward" text="backward segment" requisite="optional" type="way,closedway" member_expression="highway|route=ferry"/>
                     <role key="link" text="link segment" requisite="optional" type="way,closedway" member_expression="highway|route=ferry"/>
+                    <role key="guidepost" text="guidepost" requisite="optional" type="node" member_expression="information=guidepost"/>
                 </roles>
             </item> <!-- Road Route -->
Index: /trunk/data/validator/deprecated.mapcss
===================================================================
--- /trunk/data/validator/deprecated.mapcss	(revision 15714)
+++ /trunk/data/validator/deprecated.mapcss	(revision 15715)
@@ -1879,2 +1879,10 @@
   group: tr("deprecated tagging");
 }
+
+/* #18571 */
+*[unnamed=yes] {
+  throwWarning: tr("{0} is deprecated", "{0.tag}");
+  suggestAlternative: "noname=yes";
+  fixChangeKey: "unnamed => noname";
+  group: tr("deprecated tagging");
+}
Index: /trunk/data/validator/ignoretags.cfg
===================================================================
--- /trunk/data/validator/ignoretags.cfg	(revision 15714)
+++ /trunk/data/validator/ignoretags.cfg	(revision 15715)
@@ -72,4 +72,5 @@
 E:rcn_ref
 E:lcn_ref
+E:isced:level
 E:place_name
 E:cycleway
Index: /trunk/data/validator/numeric.mapcss
===================================================================
--- /trunk/data/validator/numeric.mapcss	(revision 15714)
+++ /trunk/data/validator/numeric.mapcss	(revision 15715)
@@ -398,2 +398,15 @@
   assertMatch: "way aeroway=aerodrome icao=EQQQ";
 }
+
+/* #18573 */
+*[isced:level][isced:level !~ /^(0|1|2|3|4|5|6|7|8)((;|-)(1|2|3|4|5|6|7|8))*$/] {
+  throwWarning: tr("unusual value of {0}", "{0.key}");
+  assertMatch: "node isced:level=secondary";
+  assertMatch: "node isced:level=0,1,2,3";
+  assertMatch: "node isced:level=9";
+  assertMatch: "node isced:level=10";
+  assertNoMatch: "node isced:level=0;1;2;3";
+  assertNoMatch: "node isced:level=0";
+  assertNoMatch: "node isced:level=5";
+  assertNoMatch: "node isced:level=0-3";
+}