1137                  tofiledate='', n=3, lineterm='\n'):  argument
1177     _check_types(a, b, fromfile, tofile, fromfiledate, tofiledate, lineterm)
1184             yield '--- {}{}{}'.format(fromfile, fromdate, lineterm)
1185             yield '+++ {}{}{}'.format(tofile, todate, lineterm)
1190         yield '@@ -{} +{} @@{}'.format(file1_range, file2_range, lineterm)
1222                  fromfiledate='', tofiledate='', n=3, lineterm='\n'):  argument
1265     _check_types(a, b, fromfile, tofile, fromfiledate, tofiledate, lineterm)
1273             yield '*** {}{}{}'.format(fromfile, fromdate, lineterm)
1274             yield '--- {}{}{}'.format(tofile, todate, lineterm)
1277         yield '***************' + lineterm
1280         yield '*** {} ****{}'.format(file1_range, lineterm)
1289         yield '--- {} ----{}'.format(file2_range, lineterm)
1315                fromfiledate=b'', tofiledate=b'', n=3, lineterm=b'\n'):  argument
1338     lineterm = decode(lineterm)
1340     lines = dfunc(a, b, fromfile, tofile, fromfiledate, tofiledate, n, lineterm)