diff --git a/shared/tools/asfix2btf b/shared/tools/asfix2btf
new file mode 100755
index 00000000..329ebe9d
--- /dev/null
+++ b/shared/tools/asfix2btf
@@ -0,0 +1,25 @@
+#! /bin/sh
+
+# Get our hands on basedir
+LOCAL1=${PWD}
+cd `dirname $0`
+cd ../..
+SLPS=${PWD}
+cd ${LOCAL1}
+
+if [ $# -ne 2 ]; then
+    echo "Usage: asfix2btf <AsFix-input> <BTF-output>"
+    exit 1
+elif [ ! -r $1 ]; then
+    echo "Oops: $1 not found or not readable."
+    exit 1
+else
+    # Build extractor if needed
+    cd ${SLPS}/topics/extraction/asfix2btf
+    make build
+    cd ${LOCAL1}
+    cat $1 | python ${SLPS}/topics/fl/asfsdf/pre.py | sglr -p ${SLPS}/topics/fl/asfsdf/FL.tbl -t > tmp.trm
+    (echo "main("; cat tmp.trm; echo ")" ) | sglr -p ${SLPS}/topics/extraction/asfix2btf//Main.tbl | asfe -e ${SLPS}/topics/extraction/asfix2btf//Main.eqs | unparsePT > $2
+    rm -f tmp.trm
+fi
+
diff --git a/shared/xsd/btf.xsd b/shared/xsd/btf.xsd
index 2f445a3c..b01471b1 100644
--- a/shared/xsd/btf.xsd
+++ b/shared/xsd/btf.xsd
@@ -9,14 +9,14 @@
       The BGF Tree Format
     </xsd:documentation>
   </xsd:annotation>
-  
+
   <xsd:import namespace="http://planet-sl.org/bgf" schemaLocation="bgf.xsd"/>
 
   <xsd:element name="root">
     <xsd:complexType>
       <xsd:sequence>
-	<xsd:element ref="bgf:grammar"/>
-	<xsd:element ref="btf:tree"/>
+        <xsd:element ref="bgf:grammar"/>
+        <xsd:element ref="btf:tree"/>
       </xsd:sequence>
     </xsd:complexType>
   </xsd:element>
@@ -24,11 +24,11 @@
   <xsd:element name="tree">
     <xsd:complexType>
       <xsd:choice>
-        
+
         <xsd:element name="epsilon">
           <xsd:complexType/>
         </xsd:element>
-        
+
         <xsd:element name="any">
           <xsd:complexType>
             <xsd:sequence>
@@ -36,7 +36,7 @@
             </xsd:sequence>
           </xsd:complexType>
         </xsd:element>
-        
+
         <xsd:element name="terminal" type="bgf:terminal"/>
 
         <xsd:element name="nonterminal">
@@ -65,7 +65,7 @@
             </xsd:choice>
           </xsd:complexType>
         </xsd:element>
-        
+
         <xsd:element name="sequence">
           <xsd:complexType>
             <xsd:sequence>
@@ -73,7 +73,7 @@
             </xsd:sequence>
           </xsd:complexType>
         </xsd:element>
-        
+
         <xsd:element name="choice">
           <xsd:complexType>
             <xsd:sequence>
@@ -106,9 +106,9 @@
             </xsd:sequence>
           </xsd:complexType>
         </xsd:element>
-        
+
       </xsd:choice>
     </xsd:complexType>
   </xsd:element>
-  
+
 </xsd:schema>
\ No newline at end of file