Index: trunk/share/doc/dep2dot.py
===================================================================
--- trunk/share/doc/dep2dot.py	(revision 8212)
+++ trunk/share/doc/dep2dot.py	(revision 8213)
@@ -1,109 +1,109 @@
 #!/usr/bin/env python
 # Creates dot from Makefile.depend files
 import os
 import argparse
 import re
 
 dot_head = '''
 digraph G {
 concentrate=true
-splines=ortho
+splines=true
 node[shape=record,style=filled,fillcolor=white]
 edge[color=gray50]
 '''
 dot_foot = ''' }
 '''
 # see http://www.graphviz.org/doc/info/colors.html for more colors
 colors = [
     'magenta',
     'limegreen',
     'navy',
     'orange',
     'red',
     'salmon',
     'blue',
     'cyan',
     'green',
     'brown1',
     'hotpink',
     'lightcyan',
     'gold',
     'chocolate1',
     'chartreuse2',
     'cadetblue1',
     'blueviolet',
     'aquamarine2',
     'deepskyblue',
     'deeppink',
     'darkorchid',
     'darkorange',
     'darksalmon',
     'crimson',
     'darkslategray',
     'darkseagreen',
     'violet',
     'slateblue',
     'violetred',
     'springgreen',
     'sienna',
     'skyblue',
     'sandybrown',
     'sandybrown',
     'tomato'
 ]
 
 parser = argparse.ArgumentParser(
     description='Build dependency graphs',
     formatter_class=argparse.ArgumentDefaultsHelpFormatter)
 parser.add_argument('files', help='The name(s) of the Makefile.depend(s)',
                     nargs='+')
 args = parser.parse_args()
 
 
 def transform(strg):
     strg = strg.replace('-', '_')
     strg = strg.replace('.lo:', ' ->')
     strg = strg.replace('.lo', '')
     strg = strg.replace('../', '')
     return strg
 
 
 def transform_external(strg, this_dir):
     strg = re.sub(r".* ->", this_dir.replace('-', '_') + ' ->', strg)
     strg = re.sub(r"/\w*", '', strg)
     return strg
 
 
 def deps_of_file(filename):
     counter = 0
     this_dir = os.path.basename(os.path.dirname(filename))
     dot = open(filename, "r")
     dep_strgs = []
     for line in dot.readlines():
         if len(args.files) == 1:
             if "_ut" not in line and "/" not in line:
                 dep_strgs.append(line)
         else:
             if "_ut" not in line and "/" in line:
                 dep_strgs.append(line)
     dep_strgs = list(set(dep_strgs))
     if len(dep_strgs) == 0:
         dep_strgs.append('"No internal dependencies"')
     dep_strgs = map(transform, dep_strgs)
     if len(args.files) > 1:
         dep_strgs = map(lambda x: transform_external(x, this_dir), dep_strgs)
         strgs = ['subgraph cluster' + str(counter) +
                  ' {\n style=filled \n color=gray95 \n']
         counter += 1
         strgs += ['edge[color=' + colors.pop() + ']\n'] + list(set(dep_strgs))
         strgs += ['}\n']
         dep_strgs = strgs
     return dep_strgs
 
 
 results = []
 for filename in args.files:
     results += (deps_of_file(filename))
 
 dot_strg = dot_head + ''.join(results) + dot_foot
-print dot_strg
+print(dot_strg)