Index: trunk/styles/standard/overview.osm
===================================================================
--- trunk/styles/standard/overview.osm	(revision 788)
+++ trunk/styles/standard/overview.osm	(revision 789)
@@ -894,6 +894,6 @@
   </node>
   <node id="-44200" user="overview-creator" visible="true" lat="-0.00210" lon="0.00060">
-    <tag k="bridge" v=""/>
-    <tag k="name" v=""/>
+    <tag k="bridge" v="yes"/>
+    <tag k="name" v="yes"/>
   </node>
   <node id="-44201" user="overview-creator" visible="true" lat="-0.00206" lon="0.00056"/>
@@ -911,6 +911,6 @@
   </way>
   <node id="-44400" user="overview-creator" visible="true" lat="-0.00220" lon="0.00060">
-    <tag k="bridge" v=""/>
-    <tag k="name" v=""/>
+    <tag k="bridge" v="no"/>
+    <tag k="name" v="no"/>
   </node>
   <node id="-44401" user="overview-creator" visible="true" lat="-0.00216" lon="0.00056"/>
@@ -983,6 +983,6 @@
   </node>
   <node id="-46200" user="overview-creator" visible="true" lat="-0.00310" lon="0.00060">
-    <tag k="tunnel" v=""/>
-    <tag k="name" v=""/>
+    <tag k="tunnel" v="yes"/>
+    <tag k="name" v="yes"/>
   </node>
   <node id="-46201" user="overview-creator" visible="true" lat="-0.00306" lon="0.00056"/>
@@ -1000,6 +1000,6 @@
   </way>
   <node id="-46400" user="overview-creator" visible="true" lat="-0.00320" lon="0.00060">
-    <tag k="tunnel" v=""/>
-    <tag k="name" v=""/>
+    <tag k="tunnel" v="no"/>
+    <tag k="name" v="no"/>
   </node>
   <node id="-46401" user="overview-creator" visible="true" lat="-0.00316" lon="0.00056"/>
@@ -1588,8 +1588,5 @@
     <tag k="name" v="oneway"/>
   </node>
-  <node id="-84000" user="overview-creator" visible="true" lat="-0.00200" lon="0.00120">
-    <tag k="oneway" v=""/>
-    <tag k="name" v=""/>
-  </node>
+  <node id="-84000" user="overview-creator" visible="true" lat="-0.00200" lon="0.00120"/>
   <node id="-84001" user="overview-creator" visible="true" lat="-0.00196" lon="0.00116"/>
   <node id="-84002" user="overview-creator" visible="true" lat="-0.00196" lon="0.00144"/>
@@ -6718,6 +6715,6 @@
   </node>
   <node id="-327200" user="overview-creator" visible="true" lat="-0.00360" lon="0.00480">
-    <tag k="building" v=""/>
-    <tag k="name" v=""/>
+    <tag k="building" v="yes"/>
+    <tag k="name" v="yes"/>
   </node>
   <node id="-327201" user="overview-creator" visible="true" lat="-0.00356" lon="0.00476"/>
Index: trunk/styles/standard/overview.xsl
===================================================================
--- trunk/styles/standard/overview.xsl	(revision 788)
+++ trunk/styles/standard/overview.xsl	(revision 789)
@@ -99,12 +99,24 @@
 		</xsl:call-template>
 
-		<xsl:element name="tag">
-			<xsl:attribute name="k"><xsl:value-of select = "rule[$index]/condition/@k" /></xsl:attribute>
-			<xsl:attribute name="v"><xsl:value-of select = "rule[$index]/condition/@v" /></xsl:attribute>
-		</xsl:element>
-		<xsl:element name="tag">
-			<xsl:attribute name="k">name</xsl:attribute>
-			<xsl:attribute name="v"><xsl:value-of select = "rule[$index]/condition/@v" /></xsl:attribute>
-		</xsl:element>
+		<xsl:if test="rule[$index]/condition/@v">
+			<xsl:element name="tag">
+				<xsl:attribute name="k"><xsl:value-of select = "rule[$index]/condition/@k" /></xsl:attribute>
+				<xsl:attribute name="v"><xsl:value-of select = "rule[$index]/condition/@v" /></xsl:attribute>
+			</xsl:element>
+			<xsl:element name="tag">
+				<xsl:attribute name="k">name</xsl:attribute>
+				<xsl:attribute name="v"><xsl:value-of select = "rule[$index]/condition/@v" /></xsl:attribute>
+			</xsl:element>
+		</xsl:if>
+		<xsl:if test="rule[$index]/condition/@b">
+			<xsl:element name="tag">
+				<xsl:attribute name="k"><xsl:value-of select = "rule[$index]/condition/@k" /></xsl:attribute>
+				<xsl:attribute name="v"><xsl:value-of select = "rule[$index]/condition/@b" /></xsl:attribute>
+			</xsl:element>
+			<xsl:element name="tag">
+				<xsl:attribute name="k">name</xsl:attribute>
+				<xsl:attribute name="v"><xsl:value-of select = "rule[$index]/condition/@b" /></xsl:attribute>
+			</xsl:element>
+		</xsl:if>
 	</xsl:element>