diff -up doc/xelatex/xepersian/dkun-0.3.py.than doc/xelatex/xepersian/dkun-0.3.py

--- doc/xelatex/xepersian/dkun-0.3.py.than	2018-05-07 11:52:01.795308478 +0200

+++ doc/xelatex/xepersian/dkun-0.3.py	2018-05-07 11:53:32.984620222 +0200

@@ -1,4 +1,4 @@

-#! /usr/bin/env python

+#! /usr/bin/python3

 #########################################

 #	General Public License          #

@@ -311,7 +311,7 @@ def dk_adjust_shaping(text, i):

 	try:

 		u = table_DK_UN[current][0]

 	except KeyError:

-		print 'ERROR: unmapped character'

+		print('ERROR: unmapped character')

 		return u''

 	#if you don't want shaping remove the following comment

@@ -407,7 +407,7 @@ def needs_english_wrapper(part):

 # Main body of the program 

 if len(sys.argv) <= 2:

-	print 'usage: python dkun in_filename out_filename'

+	print('usage: python dkun in_filename out_filename')

 	exit(0)

 filename = sys.argv[1]

@@ -416,13 +416,13 @@ outfile = sys.argv[2]

 try:

 	f = open(filename, 'r')

 except IOError:

-	print "Can not open the input file: " + filename

+	print("Can not open the input file: " + filename)

 	exit(0)

 try:

 	of = codecs.open(outfile, encoding='utf-8', mode='w')

 except IOError:

-	print "Can not open the output file: " + outfile

+	print("Can not open the output file: " + outfile)

 	exit(0)

 line_number = 0

diff -up doc/xelatex/xepersian/dkun-0.4.py.than doc/xelatex/xepersian/dkun-0.4.py

--- doc/xelatex/xepersian/dkun-0.4.py.than	2018-05-07 11:53:54.187692708 +0200

+++ doc/xelatex/xepersian/dkun-0.4.py	2018-05-07 11:54:32.272822907 +0200

@@ -1,4 +1,4 @@

-#! /usr/bin/env python

+#! /usr/bin/python3

 #########################################

 #	General Public License          #

@@ -311,7 +311,7 @@ def dk_adjust_shaping(text, i):

 	try:

 		u = table_DK_UN[current][0]

 	except KeyError:

-		print 'ERROR: unmapped character'

+		print('ERROR: unmapped character')

 		return u''

 	#if you don't want shaping remove the following comment

@@ -407,7 +407,7 @@ def needs_english_wrapper(part):

 # Main body of the program 

 if len(sys.argv) <= 2:

-	print 'usage: python dkun in_filename out_filename'

+	print('usage: python dkun in_filename out_filename')

 	exit(0)

 filename = sys.argv[1]

@@ -416,13 +416,13 @@ outfile = sys.argv[2]

 try:

 	f = open(filename, 'r')

 except IOError:

-	print "Can not open the input file: " + filename

+	print("Can not open the input file: " + filename)

 	exit(0)

 try:

 	of = codecs.open(outfile, encoding='utf-8', mode='w')

 except IOError:

-	print "Can not open the output file: " + outfile

+	print("Can not open the output file: " + outfile)

 	exit(0)

 line_number = 0

diff -up doc/xelatex/xepersian/ftxe-0.12.py.than doc/xelatex/xepersian/ftxe-0.12.py

--- doc/xelatex/xepersian/ftxe-0.12.py.than	2018-05-07 11:54:55.163901164 +0200

+++ doc/xelatex/xepersian/ftxe-0.12.py	2018-05-07 11:57:58.063526433 +0200

@@ -1,4 +1,6 @@

-#  This program is free software: you can redistribute it and/or modify

+#! /usr/bin/python3

+

+#  This program is free software: you can redistribute it and/or modify

 #  it under the terms of the GNU General Public License as published by

 #  the Free Software Foundation, either version 3 of the License, or

 #  (at your option) any later version.

@@ -488,7 +490,7 @@ def read_size(input,index,last_index):

 			dim_index = pt_index

 	next_cmd = input.find(u'\\', index)

 	if (next_cmd == -1 and dim_index == -1):

-		print "Error in parsing \epsfxsize command at " + str(line_number) + "\n"

+		print("Error in parsing \epsfxsize command at " + str(line_number) + "\n")

 		return -1

 	elif (next_cmd == -1 or (dim_index != -1 and next_cmd > dim_index)):

 		epsfxsize = input[index:dim_index+2]

@@ -499,7 +501,7 @@ def read_size(input,index,last_index):

 			end_cmd += 1

 		return end_cmd

 	else:

-		print "Error in parsing \epsfxsize command at " + str(line_number) + "\n"

+		print("Error in parsing \epsfxsize command at " + str(line_number) + "\n")

 		return -1

@@ -567,7 +569,7 @@ def generate_farsitex_cmds_file(helper_f

 	try:

 		of = codecs.open(helper_filename, encoding='utf-8', mode='w')

 	except IOError:

-		print "Can not open the output file: " + helper_filename

+		print("Can not open the output file: " + helper_filename)

 		exit(0)

 	of.write(preamble)

 	of.close

@@ -875,7 +877,7 @@ def convert_file(f, of, convert_cmds):

 	for line in f:

 		line_number += 1

-		print line_number,

+		print (line_number)

 		output_line = u''

 		line_len = len(line)

@@ -888,7 +890,7 @@ def convert_file(f, of, convert_cmds):

 		# check line-direction character

 		line_direction_rtl = (line[0] == '<')

 		if (line[0] != '>') and (line[0] != '<'):

-			print "FORMAT ERROR AT LINE: " + str(line_number)

+			print("FORMAT ERROR AT LINE: " + str(line_number))

 			exit(0)

 		i = 1

@@ -970,11 +972,11 @@ def convert_file(f, of, convert_cmds):

 	# end of file processing

 def print_usage():

-	print 'usage: python ftxe-0-11 [-r] [-s] [-x] [-u] in_filename1 in_filename2'

-	print '-r: (DEFAULT) recursively consider files included in the given files'

-	print '-s: do not recursively consider files'

-	print '-x: (DEFAULT) insert xepersian related commands'

-	print '-u: only convert to unicode'

+	print('usage: python ftxe-0-11 [-r] [-s] [-x] [-u] in_filename1 in_filename2')

+	print('-r: (DEFAULT) recursively consider files included in the given files')

+	print('-s: do not recursively consider files')

+	print('-x: (DEFAULT) insert xepersian related commands')

+	print('-u: only convert to unicode')

 ###################################

 # Begin of main body of the program

@@ -1011,7 +1013,7 @@ while (options_index < len(sys.argv)):

 	options_index += 1

 if (len(filenames) == 0):

-	print 'error: no input filename is specified!'

+	print('error: no input filename is specified!')

 	print_usage()

 	exit(0)

@@ -1026,17 +1028,17 @@ while (index < len(filenames)):

 	else: 

 		outfile = filename + '.tex'

-	print '\n\nConverting "' + filename + '" into "' + outfile + '"'

+	print('\n\nConverting "' + filename + '" into "' + outfile + '"')

 	try:

 		f = open(filename, 'r')

 	except IOError:

-		print "Can not open the input file: " + filename

+		print("Can not open the input file: " + filename)

 		exit(0)

 	try:

 		of = codecs.open(outfile, encoding='utf-8', mode='w')

 	except IOError:

-		print "Can not open the output file: " + outfile

+		print("Can not open the output file: " + outfile)

 		exit(0)

 	convert_file(f, of, convert_xepersian)

diff -up doc/xelatex/xepersian/undk-0.6.py.than doc/xelatex/xepersian/undk-0.6.py

--- doc/xelatex/xepersian/undk-0.6.py.than	2018-05-07 11:58:18.706597005 +0200

+++ doc/xelatex/xepersian/undk-0.6.py	2018-05-07 11:59:18.079799981 +0200

@@ -1,4 +1,4 @@

-#! /usr/bin/env python

+#! /usr/bin/python3

 #########################################

 #	General Public License          #

 #	Author:	Mostafa Vahedi          #

@@ -328,7 +328,7 @@ def find_form(line, i):

 def map_char_unicode_DK(c, form):

 	try:

 		n = table_UN_DK[c][0]

-        except KeyError:

+	except KeyError:

 		return c.encode('latin-1')

 	if (n == 1):

 		return table_UN_DK[c][1]

@@ -371,7 +371,7 @@ def is_farsi_numerical(c):

 # Main body of the program 

 if len(sys.argv) <= 2:

-	print 'usage: python undk in_filename out_filename'

+	print('usage: python undk in_filename out_filename')

 	exit(0)

 filename = sys.argv[1]

@@ -380,13 +380,13 @@ outfile = sys.argv[2]

 try:

 	f = codecs.open(filename, 'r', 'utf-8')

 except IOError:

-	print "Can not open the input file: " + filename

+	print("Can not open the input file: " + filename)

 	exit(0)

 try:

 	of = open(outfile, 'w')

 except IOError:

-	print "Can not open the output file: " + outfile

+	print("Can not open the output file: " + outfile)

 	exit(0)

 # this is an option

@@ -425,7 +425,7 @@ for line in f:

 					this_line += auto_english_part[::-1]

 					auto_english_part = ''

 					inAutoEnglish = 0

-					print 'Warning: mixed Auto-English and Forced-English'

+					print('Warning: mixed Auto-English and Forced-English')

 				if (inFarsiNumber == 1):

 					this_line += number_part[::-1]

 					number_part = ''

diff -up doc/xelatex/xepersian/unldk-0.2.py.than doc/xelatex/xepersian/unldk-0.2.py

--- doc/xelatex/xepersian/unldk-0.2.py.than	2018-05-07 11:59:41.522880125 +0200

+++ doc/xelatex/xepersian/unldk-0.2.py	2018-05-07 12:00:21.999018500 +0200

@@ -1,4 +1,4 @@

-#! /usr/bin/env python

+#! /usr/bin/python3

 #########################################

 #	General Public License          #

 #	Author:	Mostafa Vahedi          #

@@ -328,7 +328,7 @@ def find_form(line, i):

 def map_char_unicode_DK(c, form):

 	try:

 		n = table_UN_DK[c][0]

-        except KeyError:

+	except KeyError:

 		return c.encode('latin-1')

 	if (n == 1):

 		return table_UN_DK[c][1]

@@ -364,7 +364,7 @@ def is_farsi_numerical(c):

 # Main body of the program 

 if len(sys.argv) <= 2:

-	print 'usage: python unldk in_filename out_filename'

+	print('usage: python unldk in_filename out_filename')

 	exit(0)

 filename = sys.argv[1]

@@ -373,13 +373,13 @@ outfile = sys.argv[2]

 try:

 	f = codecs.open(filename, 'r', 'utf-8')

 except IOError:

-	print "Can not open the input file: " + filename

+	print("Can not open the input file: " + filename)

 	exit(0)

 try:

 	of = open(outfile, 'w')

 except IOError:

-	print "Can not open the output file: " + outfile

+	print("Can not open the output file: " + outfile)

 	exit(0)

 inFarsi = 0