--- a/devel/graphs/drawEdgeLabels.m
+++ b/devel/graphs/drawEdgeLabels.m
@@ -2,16 +2,16 @@
 ## Copyright (C) 2004-2011 INRA - CEPIA Nantes - MIAJ (Jouy-en-Josas)
 ## Copyright (C) 2012 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
 ## All rights reserved.
-## 
+##
 ## Redistribution and use in source and binary forms, with or without
 ## modification, are permitted provided that the following conditions are met:
-## 
+##
 ##     1 Redistributions of source code must retain the above copyright notice,
 ##       this list of conditions and the following disclaimer.
 ##     2 Redistributions in binary form must reproduce the above copyright
 ##       notice, this list of conditions and the following disclaimer in the
 ##       documentation and/or other materials provided with the distribution.
-## 
+##
 ## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS''
 ## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -23,59 +23,59 @@
 ## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-function varargout = drawEdgeLabels(p, e, value)
-#DRAWEDGELABELS Draw values associated to graph edges
-# 
-#   usage:
-#   drawEdgeLabels(NODES, EDGES, VALUES);
-#   NODES: array of double, containing x and y values of nodes
-#   EDGES: array of int, containing indices of in and out nodes
-#   VALUES is an array the same length of EDGES, containing values
-#   associated to each edges of the graph.
-#
-#   The function computes the center of each edge, and puts the text with
-#   associated value.
-#   
-#   H = drawEdgeLabels(...) return array of handles to each text structure,
-#   making possible to change font, color, size
-#
-#
-#   -----
-#   author: David Legland 
-#   INRA - TPV URPOI - BIA IMASTE
-#   created the 10/02/2003.
-#
-
-#   HISTORY
-#   10/03/2004 included into lib/graph library
-
-
-if length(p) > 1 && length(e) > 1
-    h = zeros(length(e), 1);
-    hold on;
-    for l=1:length(e)
-        # indices of source and target nodes
-        n1 = e(l, 1);
-        n2 = e(l, 2);
-        
-        # node coordinates
-        x1 = p(n1, 1);
-        y1 = p(n1, 2);
-        x2 = p(n2, 1);
-        y2 = p(n2, 2);
-        
-        # display the edge
-        line([x1 x2], [y1 y2]);
-        
-        # coordinates of edge label
-        xm = (x1 + x2)/2;
-        ym = (y1 + y2)/2;
-        
-        # display label
-        h(l) = text(xm, ym, sprintf('#3d', floor(value(l))));
-    end
-end
-
-if nargout == 1
-    varargout = {h};
-end
+function varargout = drawEdgeLabels(p, e, value)
+#DRAWEDGELABELS Draw values associated to graph edges
+# 
+#   usage:
+#   drawEdgeLabels(NODES, EDGES, VALUES);
+#   NODES: array of double, containing x and y values of nodes
+#   EDGES: array of int, containing indices of in and out nodes
+#   VALUES is an array the same length of EDGES, containing values
+#   associated to each edges of the graph.
+#
+#   The function computes the center of each edge, and puts the text with
+#   associated value.
+#   
+#   H = drawEdgeLabels(...) return array of handles to each text structure,
+#   making possible to change font, color, size
+#
+#
+#   -----
+#   author: David Legland 
+#   INRA - TPV URPOI - BIA IMASTE
+#   created the 10/02/2003.
+#
+
+#   HISTORY
+#   10/03/2004 included into lib/graph library
+
+
+if length(p) > 1 && length(e) > 1
+    h = zeros(length(e), 1);
+    hold on;
+    for l=1:length(e)
+        # indices of source and target nodes
+        n1 = e(l, 1);
+        n2 = e(l, 2);
+        
+        # node coordinates
+        x1 = p(n1, 1);
+        y1 = p(n1, 2);
+        x2 = p(n2, 1);
+        y2 = p(n2, 2);
+        
+        # display the edge
+        line([x1 x2], [y1 y2]);
+        
+        # coordinates of edge label
+        xm = (x1 + x2)/2;
+        ym = (y1 + y2)/2;
+        
+        # display label
+        h(l) = text(xm, ym, sprintf('%3d', floor(value(l))));
+    end
+end
+
+if nargout == 1
+    varargout = {h};
+end