change sed separator

preprocMd.sh

@@ -23,7 +23,7 @@
     echo "Replacing working group keys..."
     for wg in {aa,cm,dm,nm,st}
     do
-        fullname=`wget -qO- $baseurl/forschung/$wg | grep h1 | sed -e "s/<h1>\s*\(.*\)<\/h1>.*$/\1/g" | sed -e 's/^[ \t]*//'`
+        fullname=`wget -qO- $baseurl/forschung/$wg | grep h1 | sed -e "s;<h1>\s*\(.*\)</h1>.*$;\1;g" | sed -e 's;^[ \t]*;;'`
         echo "Found working group $fullname"
         sed -i "s;### Working Groups:\(.*\)$wg\(.*\);### Working Groups:\1\[$fullname\]($baseurl/forschung/$wg)\2;g" $build_dir/$filename 
     done