--- a/artifacts/doc/conf/meta-data.xml	Thu Jul 03 11:34:46 2014 +0200
+++ b/artifacts/doc/conf/meta-data.xml	Thu Jul 03 12:30:41 2014 +0200
@@ -1030,6 +1030,30 @@
       </dc:filter>
     </dc:macro>
 
+    <dc:macro name="middle_bedheights">
+      <dc:filter expr="($out_name = 'bedheight_middle') and
+          (starts-with($facet_name, 'bedheight_middle.single'))">
+        <dc:if test="dc:has-result()">
+          <middle_bedheights>
+            <dc:call-macro name="collection-group">
+              <middle_bedheight description="{dc:group-key()}">
+                <dc:for-each>
+                  <dc:element name="${facet_name}">
+                    <dc:attribute name="factory" value="minfo"/>
+                    <dc:attribute name="target_out" value="${out}"/>
+                    <dc:attribute name="description" value="${facet_description}"/>
+                    <dc:attribute name="ids" value="${facet_num}"/>
+                    <dc:attribute name="artifact-id" value="${a_gid}"/>
+                    <dc:attribute name="out" value="${out_name}"/>
+                  </dc:element>
+                </dc:for-each>
+              </middle_bedheight>
+            </dc:call-macro>
+          </middle_bedheights>
+        </dc:if>
+      </dc:filter>
+    </dc:macro>
+
     <dc:macro name="bedheight_differences">
       <dc:filter expr="($out_name = 'bed_difference_year' or $out_name = 'bed_difference_height_year') and
           (starts-with($facet_name, 'bedheight_difference.year') or starts-with($facet_name, 'bedheight_difference.height'))">
@@ -1313,6 +1337,7 @@
       <dc:call-macro name="longitudinal-section-fix"/>
       <dc:call-macro name="longitudinal-section-fix-vollmer"/>
       <dc:comment> MINFO </dc:comment>
+      <dc:call-macro name="middle_bedheights"/>
       <dc:call-macro name="bedheight_differences"/>
       <dc:call-macro name="bedquality"/>
       <dc:call-macro name="flow-velocity"/>