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--- a/src/internfile/internfile.h
+++ b/src/internfile/internfile.h
@@ -160,6 +160,11 @@
      *  should be called again to get the following one(s).
      */
     Status internfile(Rcl::Doc& doc, const string &ipath = "");
+
+    /** Extract subdoc defined by ipath in idoc to file. See params for
+	idocToFile() */
+    bool interntofile(TempFile& otemp, const string& tofile,
+		      const string& ipath, const string& mimetype);
 
     /** Return the file's (top level object) mimetype (useful for 
      *  creating the pseudo-doc for container files)