diff -up ./doc/generic/enctex/unimap.py.py3 ./doc/generic/enctex/unimap.py
--- ./doc/generic/enctex/unimap.py.py3	2019-08-18 08:52:49.201015107 -0400
+++ ./doc/generic/enctex/unimap.py	2019-08-18 08:54:08.301110903 -0400
@@ -91,12 +91,12 @@ def linetype(line):
         return LineType.Character, (int(line[:m.end()], 16),
                                     line[m.end():].strip().lower())
     if not line.startswith('\t'):
-        raise ValueError, 'Queer line doesn\'t start with @ or Tab'
+        raise ValueError('Queer line doesn\'t start with @ or Tab')
     line = line.strip()
     if not line:
         return LineType.Empty, None
     if not LineType.map.has_key(line[0]):
-        raise ValueError, 'Queer character info line (marker %s)' % line[0]
+        raise ValueError('Queer character info line (marker %s)' % line[0])
     return line[0], line[1:].strip()
 
 def utf8chars(u):
@@ -132,7 +132,7 @@ while typ:
         char = val
     elif typ == LineType.TeX:
         if not val.startswith('\\'):
-            raise ValueError, '%s is not a control seq (U%X)' % (val, char[0])
+            raise ValueError('%s is not a control seq (U%X)' % (val, char[0]))
         if sect:
             fw.write('\n%% %s\n' % sect)
             sect = None
diff -up ./doc/generic/enctex/unimap.py.py3 ./doc/generic/enctex/unimap.py
--- ./doc/generic/enctex/unimap.py.py3	2019-08-18 09:40:33.996050750 -0400
+++ ./doc/generic/enctex/unimap.py	2019-08-18 09:41:02.573362799 -0400
@@ -48,8 +48,6 @@ database = 'unimap.txt'    # Input file
 output = 'utf8raw.tex'   # Output file
 
 # Compatibility with Pyhton-2.1
-if not __builtins__.__dict__.has_key('True'):
-    True = 1; False = 0
 if not __builtins__.__dict__.has_key('file'):
     file = open
 if not __builtins__.__dict__.has_key('dict'):