old_contents: 
  import test_appliance
  
  from yaml.reader import Mark
  
  class TestMark(test_appliance.TestAppliance):
  
      def _testMarks(self, test_name, marks_filename):
          inputs = file(marks_filename, 'rb').read().split('---\n')[1:]
          for input in inputs:
              index = 0
              line = 0
              column = 0
              while input[index] != '*':
                  if input[index] == '\n':
                      line += 1
                      column = 0
                  else:
                      column += 1
                  index += 1
              mark = Mark(test_name, line, column, unicode(input), index)
              snippet = mark.get_snippet(indent=2, max_length=79)
              #print "INPUT:"
              #print input
              #print "SNIPPET:"
              #print snippet
              self.failUnless(isinstance(snippet, str))
              self.failUnlessEqual(snippet.count('\n'), 1)
              data, pointer = snippet.split('\n')
              self.failUnless(len(data) < 82)
              self.failUnlessEqual(data[len(pointer)-1], '*')
  
  TestMark.add_tests('testMarks', '.marks')
  
  
new_contents: 
  import test_appliance
  
  from yaml.reader import Mark
  
  class TestMark(test_appliance.TestAppliance):
  
      def _testMarks(self, test_name, marks_filename):
          inputs = file(marks_filename, 'rb').read().split('---\n')[1:]
          for input in inputs:
              index = 0
              line = 0
              column = 0
              while input[index] != '*':
                  if input[index] == '\n':
                      line += 1
                      column = 0
                  else:
                      column += 1
                  index += 1
              mark = Mark(test_name, index, line, column, unicode(input), index)
              snippet = mark.get_snippet(indent=2, max_length=79)
              #print "INPUT:"
              #print input
              #print "SNIPPET:"
              #print snippet
              self.failUnless(isinstance(snippet, str))
              self.failUnlessEqual(snippet.count('\n'), 1)
              data, pointer = snippet.split('\n')
              self.failUnless(len(data) < 82)
              self.failUnlessEqual(data[len(pointer)-1], '*')
  
  TestMark.add_tests('testMarks', '.marks')
  
  
subject: Fix a test.