diff -r 1322308fa83a src/oct-parse.yy
--- a/src/oct-parse.yy	Thu Aug 04 23:35:13 2011 -0500
+++ b/src/oct-parse.yy	Fri Aug 05 19:05:10 2011 +0200
@@ -2072,8 +2072,9 @@ make_anon_fcn_handle (tree_parameter_lis
 {
   // FIXME -- need to get these from the location of the @ symbol.
 
-  int l = -1;
-  int c = -1;
+  /* XXX */
+  int l = input_line_number;
+  int c = current_input_column;
 
   tree_parameter_list *ret_list = 0;
 
@@ -2094,6 +2095,7 @@ make_anon_fcn_handle (tree_parameter_lis
 
   tree_anon_fcn_handle *retval
     = new tree_anon_fcn_handle (param_list, ret_list, body, fcn_scope, l, c);
+  //retval->stash_file_name (curr_fcn_file_name);
 
   return retval;
 }
diff -r 1322308fa83a src/pt-fcn-handle.cc
--- a/src/pt-fcn-handle.cc	Thu Aug 04 23:35:13 2011 -0500
+++ b/src/pt-fcn-handle.cc	Fri Aug 05 19:05:10 2011 +0200
@@ -127,6 +127,7 @@ tree_anon_fcn_handle::rvalue1 (int)
     }
 
   uf->mark_as_inline_function ();
+  uf->stash_fcn_file_name (file_name);
   uf->stash_fcn_location (line (), column ());
 
   octave_value ov_fcn (uf);
diff -r 1322308fa83a src/pt-fcn-handle.h
--- a/src/pt-fcn-handle.h	Thu Aug 04 23:35:13 2011 -0500
+++ b/src/pt-fcn-handle.h	Fri Aug 05 19:05:10 2011 +0200
@@ -92,13 +92,14 @@ tree_anon_fcn_handle : public tree_expre
 public:
 
   tree_anon_fcn_handle (int l = -1, int c = -1)
-    : tree_expression (l, c), fcn (0) { }
+    : tree_expression (l, c), fcn (0), file_name () { }
 
   tree_anon_fcn_handle (tree_parameter_list *pl, tree_parameter_list *rl,
                         tree_statement_list *cl, symbol_table::scope_id sid,
                         int l = -1, int c = -1)
     : tree_expression (l, c),
-      fcn (new octave_user_function (sid, pl, rl, cl)) { }
+      fcn (new octave_user_function (sid, pl, rl, cl)),
+      file_name () { }
 
   ~tree_anon_fcn_handle (void) { delete fcn; }
 
@@ -135,11 +136,16 @@ public:
 
   void accept (tree_walker& tw);
 
+  void stash_file_name (const std::string& file) { file_name = file; }
+
 private:
 
   // The function.
   octave_user_function *fcn;
 
+  // Filename where the handle was defined.
+  std::string file_name;
+
   // No copying!
 
   tree_anon_fcn_handle (const tree_anon_fcn_handle&);