X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=src%2FnodeSet.ml;h=082802930f44432e6421a75b5bd229027a0c42c8;hb=eb9a6467cb0860abf57f773a82da526aedc9802a;hp=944f85c0dfae609a31072e1a6d47f7691abbd204;hpb=35b9abd60699383b0cebf25e905049d3d7027271;p=SXSI%2Fxpathcomp.git

diff --git a/src/nodeSet.ml b/src/nodeSet.ml
index 944f85c..0828029 100644
--- a/src/nodeSet.ml
+++ b/src/nodeSet.ml
@@ -200,8 +200,10 @@ module Mat : S with type t = Tree.node mat =
 	  Unix.close
       in
       ignore (Unix.write fd "<xml_result>\n" 0 13);
-      iter (fun node -> Tree.print_xml v node fd) l;
-      Tree.flush v fd;
+      if l.length > 0 then begin
+	iter (fun node -> Tree.print_xml v node fd) l;
+	Tree.flush v fd;
+      end;
       ignore (Unix.write fd "</xml_result>\n" 0 14);
       finish fd