Whitespace normalization.
diff --git a/Lib/encodings/ptcp154.py b/Lib/encodings/ptcp154.py
index 7734f61..5cdd98c 100644
--- a/Lib/encodings/ptcp154.py
+++ b/Lib/encodings/ptcp154.py
@@ -37,124 +37,124 @@
 
 decoding_map = codecs.make_identity_dict(range(256))
 decoding_map.update({
-	0x0080: 0x0496,	#        CYRILLIC CAPITAL LETTER ZHE WITH DESCENDER
-	0x0081: 0x0492,	#        CYRILLIC CAPITAL LETTER GHE WITH STROKE
-	0x0082: 0x04ee,	#        CYRILLIC CAPITAL LETTER U WITH MACRON
-	0x0083: 0x0493,	#        CYRILLIC SMALL LETTER GHE WITH STROKE
-	0x0084: 0x201e,	#        DOUBLE LOW-9 QUOTATION MARK
-	0x0085: 0x2026,	#        HORIZONTAL ELLIPSIS
-	0x0086: 0x04b6,	#        CYRILLIC CAPITAL LETTER CHE WITH DESCENDER
-	0x0087: 0x04ae,	#        CYRILLIC CAPITAL LETTER STRAIGHT U
-	0x0088: 0x04b2,	#        CYRILLIC CAPITAL LETTER HA WITH DESCENDER
-	0x0089: 0x04af,	#        CYRILLIC SMALL LETTER STRAIGHT U
-	0x008a: 0x04a0,	#        CYRILLIC CAPITAL LETTER BASHKIR KA
-	0x008b: 0x04e2,	#        CYRILLIC CAPITAL LETTER I WITH MACRON
-	0x008c: 0x04a2,	#        CYRILLIC CAPITAL LETTER EN WITH DESCENDER
-	0x008d: 0x049a,	#        CYRILLIC CAPITAL LETTER KA WITH DESCENDER
-	0x008e: 0x04ba,	#        CYRILLIC CAPITAL LETTER SHHA
-	0x008f: 0x04b8,	#        CYRILLIC CAPITAL LETTER CHE WITH VERTICAL STROKE
-	0x0090: 0x0497,	#        CYRILLIC SMALL LETTER ZHE WITH DESCENDER
-	0x0091: 0x2018,	#        LEFT SINGLE QUOTATION MARK
-	0x0092: 0x2019,	#        RIGHT SINGLE QUOTATION MARK
-	0x0093: 0x201c,	#        LEFT DOUBLE QUOTATION MARK
-	0x0094: 0x201d,	#        RIGHT DOUBLE QUOTATION MARK
-	0x0095: 0x2022,	#        BULLET
-	0x0096: 0x2013,	#        EN DASH
-	0x0097: 0x2014,	#        EM DASH
-	0x0098: 0x04b3,	#        CYRILLIC SMALL LETTER HA WITH DESCENDER
-	0x0099: 0x04b7,	#        CYRILLIC SMALL LETTER CHE WITH DESCENDER
-	0x009a: 0x04a1,	#        CYRILLIC SMALL LETTER BASHKIR KA
-	0x009b: 0x04e3,	#        CYRILLIC SMALL LETTER I WITH MACRON
-	0x009c: 0x04a3,	#        CYRILLIC SMALL LETTER EN WITH DESCENDER
-	0x009d: 0x049b,	#        CYRILLIC SMALL LETTER KA WITH DESCENDER
-	0x009e: 0x04bb,	#        CYRILLIC SMALL LETTER SHHA
-	0x009f: 0x04b9,	#        CYRILLIC SMALL LETTER CHE WITH VERTICAL STROKE
-	0x00a1: 0x040e,	#        CYRILLIC CAPITAL LETTER SHORT U (Byelorussian)
-	0x00a2: 0x045e,	#        CYRILLIC SMALL LETTER SHORT U (Byelorussian)
-	0x00a3: 0x0408,	#        CYRILLIC CAPITAL LETTER JE
-	0x00a4: 0x04e8,	#        CYRILLIC CAPITAL LETTER BARRED O
-	0x00a5: 0x0498,	#        CYRILLIC CAPITAL LETTER ZE WITH DESCENDER
-	0x00a6: 0x04b0,	#        CYRILLIC CAPITAL LETTER STRAIGHT U WITH STROKE
-	0x00a8: 0x0401,	#        CYRILLIC CAPITAL LETTER IO
-	0x00aa: 0x04d8,	#        CYRILLIC CAPITAL LETTER SCHWA
-	0x00ad: 0x04ef,	#        CYRILLIC SMALL LETTER U WITH MACRON
-	0x00af: 0x049c,	#        CYRILLIC CAPITAL LETTER KA WITH VERTICAL STROKE
-	0x00b1: 0x04b1,	#        CYRILLIC SMALL LETTER STRAIGHT U WITH STROKE
-	0x00b2: 0x0406,	#        CYRILLIC CAPITAL LETTER BYELORUSSIAN-UKRAINIAN I
-	0x00b3: 0x0456,	#        CYRILLIC SMALL LETTER BYELORUSSIAN-UKRAINIAN I
-	0x00b4: 0x0499,	#        CYRILLIC SMALL LETTER ZE WITH DESCENDER
-	0x00b5: 0x04e9,	#        CYRILLIC SMALL LETTER BARRED O
-	0x00b8: 0x0451,	#        CYRILLIC SMALL LETTER IO
-	0x00b9: 0x2116,	#        NUMERO SIGN
-	0x00ba: 0x04d9,	#        CYRILLIC SMALL LETTER SCHWA
-	0x00bc: 0x0458,	#        CYRILLIC SMALL LETTER JE
-	0x00bd: 0x04aa,	#        CYRILLIC CAPITAL LETTER ES WITH DESCENDER
-	0x00be: 0x04ab,	#        CYRILLIC SMALL LETTER ES WITH DESCENDER
-	0x00bf: 0x049d,	#        CYRILLIC SMALL LETTER KA WITH VERTICAL STROKE
-	0x00c0: 0x0410,	#        CYRILLIC CAPITAL LETTER A
-	0x00c1: 0x0411,	#        CYRILLIC CAPITAL LETTER BE
-	0x00c2: 0x0412,	#        CYRILLIC CAPITAL LETTER VE
-	0x00c3: 0x0413,	#        CYRILLIC CAPITAL LETTER GHE
-	0x00c4: 0x0414,	#        CYRILLIC CAPITAL LETTER DE
-	0x00c5: 0x0415,	#        CYRILLIC CAPITAL LETTER IE
-	0x00c6: 0x0416,	#        CYRILLIC CAPITAL LETTER ZHE
-	0x00c7: 0x0417,	#        CYRILLIC CAPITAL LETTER ZE
-	0x00c8: 0x0418,	#        CYRILLIC CAPITAL LETTER I
-	0x00c9: 0x0419,	#        CYRILLIC CAPITAL LETTER SHORT I
-	0x00ca: 0x041a,	#        CYRILLIC CAPITAL LETTER KA
-	0x00cb: 0x041b,	#        CYRILLIC CAPITAL LETTER EL
-	0x00cc: 0x041c,	#        CYRILLIC CAPITAL LETTER EM
-	0x00cd: 0x041d,	#        CYRILLIC CAPITAL LETTER EN
-	0x00ce: 0x041e,	#        CYRILLIC CAPITAL LETTER O
-	0x00cf: 0x041f,	#        CYRILLIC CAPITAL LETTER PE
-	0x00d0: 0x0420,	#        CYRILLIC CAPITAL LETTER ER
-	0x00d1: 0x0421,	#        CYRILLIC CAPITAL LETTER ES
-	0x00d2: 0x0422,	#        CYRILLIC CAPITAL LETTER TE
-	0x00d3: 0x0423,	#        CYRILLIC CAPITAL LETTER U
-	0x00d4: 0x0424,	#        CYRILLIC CAPITAL LETTER EF
-	0x00d5: 0x0425,	#        CYRILLIC CAPITAL LETTER HA
-	0x00d6: 0x0426,	#        CYRILLIC CAPITAL LETTER TSE
-	0x00d7: 0x0427,	#        CYRILLIC CAPITAL LETTER CHE
-	0x00d8: 0x0428,	#        CYRILLIC CAPITAL LETTER SHA
-	0x00d9: 0x0429,	#        CYRILLIC CAPITAL LETTER SHCHA
-	0x00da: 0x042a,	#        CYRILLIC CAPITAL LETTER HARD SIGN
-	0x00db: 0x042b,	#        CYRILLIC CAPITAL LETTER YERU
-	0x00dc: 0x042c,	#        CYRILLIC CAPITAL LETTER SOFT SIGN
-	0x00dd: 0x042d,	#        CYRILLIC CAPITAL LETTER E
-	0x00de: 0x042e,	#        CYRILLIC CAPITAL LETTER YU
-	0x00df: 0x042f,	#        CYRILLIC CAPITAL LETTER YA
-	0x00e0: 0x0430,	#        CYRILLIC SMALL LETTER A
-	0x00e1: 0x0431,	#        CYRILLIC SMALL LETTER BE
-	0x00e2: 0x0432,	#        CYRILLIC SMALL LETTER VE
-	0x00e3: 0x0433,	#        CYRILLIC SMALL LETTER GHE
-	0x00e4: 0x0434,	#        CYRILLIC SMALL LETTER DE
-	0x00e5: 0x0435,	#        CYRILLIC SMALL LETTER IE
-	0x00e6: 0x0436,	#        CYRILLIC SMALL LETTER ZHE
-	0x00e7: 0x0437,	#        CYRILLIC SMALL LETTER ZE
-	0x00e8: 0x0438,	#        CYRILLIC SMALL LETTER I
-	0x00e9: 0x0439,	#        CYRILLIC SMALL LETTER SHORT I
-	0x00ea: 0x043a,	#        CYRILLIC SMALL LETTER KA
-	0x00eb: 0x043b,	#        CYRILLIC SMALL LETTER EL
-	0x00ec: 0x043c,	#        CYRILLIC SMALL LETTER EM
-	0x00ed: 0x043d,	#        CYRILLIC SMALL LETTER EN
-	0x00ee: 0x043e,	#        CYRILLIC SMALL LETTER O
-	0x00ef: 0x043f,	#        CYRILLIC SMALL LETTER PE
-	0x00f0: 0x0440,	#        CYRILLIC SMALL LETTER ER
-	0x00f1: 0x0441,	#        CYRILLIC SMALL LETTER ES
-	0x00f2: 0x0442,	#        CYRILLIC SMALL LETTER TE
-	0x00f3: 0x0443,	#        CYRILLIC SMALL LETTER U
-	0x00f4: 0x0444,	#        CYRILLIC SMALL LETTER EF
-	0x00f5: 0x0445,	#        CYRILLIC SMALL LETTER HA
-	0x00f6: 0x0446,	#        CYRILLIC SMALL LETTER TSE
-	0x00f7: 0x0447,	#        CYRILLIC SMALL LETTER CHE
-	0x00f8: 0x0448,	#        CYRILLIC SMALL LETTER SHA
-	0x00f9: 0x0449,	#        CYRILLIC SMALL LETTER SHCHA
-	0x00fa: 0x044a,	#        CYRILLIC SMALL LETTER HARD SIGN
-	0x00fb: 0x044b,	#        CYRILLIC SMALL LETTER YERU
-	0x00fc: 0x044c,	#        CYRILLIC SMALL LETTER SOFT SIGN
-	0x00fd: 0x044d,	#        CYRILLIC SMALL LETTER E
-	0x00fe: 0x044e,	#        CYRILLIC SMALL LETTER YU
-	0x00ff: 0x044f,	#        CYRILLIC SMALL LETTER YA
+        0x0080: 0x0496, #        CYRILLIC CAPITAL LETTER ZHE WITH DESCENDER
+        0x0081: 0x0492, #        CYRILLIC CAPITAL LETTER GHE WITH STROKE
+        0x0082: 0x04ee, #        CYRILLIC CAPITAL LETTER U WITH MACRON
+        0x0083: 0x0493, #        CYRILLIC SMALL LETTER GHE WITH STROKE
+        0x0084: 0x201e, #        DOUBLE LOW-9 QUOTATION MARK
+        0x0085: 0x2026, #        HORIZONTAL ELLIPSIS
+        0x0086: 0x04b6, #        CYRILLIC CAPITAL LETTER CHE WITH DESCENDER
+        0x0087: 0x04ae, #        CYRILLIC CAPITAL LETTER STRAIGHT U
+        0x0088: 0x04b2, #        CYRILLIC CAPITAL LETTER HA WITH DESCENDER
+        0x0089: 0x04af, #        CYRILLIC SMALL LETTER STRAIGHT U
+        0x008a: 0x04a0, #        CYRILLIC CAPITAL LETTER BASHKIR KA
+        0x008b: 0x04e2, #        CYRILLIC CAPITAL LETTER I WITH MACRON
+        0x008c: 0x04a2, #        CYRILLIC CAPITAL LETTER EN WITH DESCENDER
+        0x008d: 0x049a, #        CYRILLIC CAPITAL LETTER KA WITH DESCENDER
+        0x008e: 0x04ba, #        CYRILLIC CAPITAL LETTER SHHA
+        0x008f: 0x04b8, #        CYRILLIC CAPITAL LETTER CHE WITH VERTICAL STROKE
+        0x0090: 0x0497, #        CYRILLIC SMALL LETTER ZHE WITH DESCENDER
+        0x0091: 0x2018, #        LEFT SINGLE QUOTATION MARK
+        0x0092: 0x2019, #        RIGHT SINGLE QUOTATION MARK
+        0x0093: 0x201c, #        LEFT DOUBLE QUOTATION MARK
+        0x0094: 0x201d, #        RIGHT DOUBLE QUOTATION MARK
+        0x0095: 0x2022, #        BULLET
+        0x0096: 0x2013, #        EN DASH
+        0x0097: 0x2014, #        EM DASH
+        0x0098: 0x04b3, #        CYRILLIC SMALL LETTER HA WITH DESCENDER
+        0x0099: 0x04b7, #        CYRILLIC SMALL LETTER CHE WITH DESCENDER
+        0x009a: 0x04a1, #        CYRILLIC SMALL LETTER BASHKIR KA
+        0x009b: 0x04e3, #        CYRILLIC SMALL LETTER I WITH MACRON
+        0x009c: 0x04a3, #        CYRILLIC SMALL LETTER EN WITH DESCENDER
+        0x009d: 0x049b, #        CYRILLIC SMALL LETTER KA WITH DESCENDER
+        0x009e: 0x04bb, #        CYRILLIC SMALL LETTER SHHA
+        0x009f: 0x04b9, #        CYRILLIC SMALL LETTER CHE WITH VERTICAL STROKE
+        0x00a1: 0x040e, #        CYRILLIC CAPITAL LETTER SHORT U (Byelorussian)
+        0x00a2: 0x045e, #        CYRILLIC SMALL LETTER SHORT U (Byelorussian)
+        0x00a3: 0x0408, #        CYRILLIC CAPITAL LETTER JE
+        0x00a4: 0x04e8, #        CYRILLIC CAPITAL LETTER BARRED O
+        0x00a5: 0x0498, #        CYRILLIC CAPITAL LETTER ZE WITH DESCENDER
+        0x00a6: 0x04b0, #        CYRILLIC CAPITAL LETTER STRAIGHT U WITH STROKE
+        0x00a8: 0x0401, #        CYRILLIC CAPITAL LETTER IO
+        0x00aa: 0x04d8, #        CYRILLIC CAPITAL LETTER SCHWA
+        0x00ad: 0x04ef, #        CYRILLIC SMALL LETTER U WITH MACRON
+        0x00af: 0x049c, #        CYRILLIC CAPITAL LETTER KA WITH VERTICAL STROKE
+        0x00b1: 0x04b1, #        CYRILLIC SMALL LETTER STRAIGHT U WITH STROKE
+        0x00b2: 0x0406, #        CYRILLIC CAPITAL LETTER BYELORUSSIAN-UKRAINIAN I
+        0x00b3: 0x0456, #        CYRILLIC SMALL LETTER BYELORUSSIAN-UKRAINIAN I
+        0x00b4: 0x0499, #        CYRILLIC SMALL LETTER ZE WITH DESCENDER
+        0x00b5: 0x04e9, #        CYRILLIC SMALL LETTER BARRED O
+        0x00b8: 0x0451, #        CYRILLIC SMALL LETTER IO
+        0x00b9: 0x2116, #        NUMERO SIGN
+        0x00ba: 0x04d9, #        CYRILLIC SMALL LETTER SCHWA
+        0x00bc: 0x0458, #        CYRILLIC SMALL LETTER JE
+        0x00bd: 0x04aa, #        CYRILLIC CAPITAL LETTER ES WITH DESCENDER
+        0x00be: 0x04ab, #        CYRILLIC SMALL LETTER ES WITH DESCENDER
+        0x00bf: 0x049d, #        CYRILLIC SMALL LETTER KA WITH VERTICAL STROKE
+        0x00c0: 0x0410, #        CYRILLIC CAPITAL LETTER A
+        0x00c1: 0x0411, #        CYRILLIC CAPITAL LETTER BE
+        0x00c2: 0x0412, #        CYRILLIC CAPITAL LETTER VE
+        0x00c3: 0x0413, #        CYRILLIC CAPITAL LETTER GHE
+        0x00c4: 0x0414, #        CYRILLIC CAPITAL LETTER DE
+        0x00c5: 0x0415, #        CYRILLIC CAPITAL LETTER IE
+        0x00c6: 0x0416, #        CYRILLIC CAPITAL LETTER ZHE
+        0x00c7: 0x0417, #        CYRILLIC CAPITAL LETTER ZE
+        0x00c8: 0x0418, #        CYRILLIC CAPITAL LETTER I
+        0x00c9: 0x0419, #        CYRILLIC CAPITAL LETTER SHORT I
+        0x00ca: 0x041a, #        CYRILLIC CAPITAL LETTER KA
+        0x00cb: 0x041b, #        CYRILLIC CAPITAL LETTER EL
+        0x00cc: 0x041c, #        CYRILLIC CAPITAL LETTER EM
+        0x00cd: 0x041d, #        CYRILLIC CAPITAL LETTER EN
+        0x00ce: 0x041e, #        CYRILLIC CAPITAL LETTER O
+        0x00cf: 0x041f, #        CYRILLIC CAPITAL LETTER PE
+        0x00d0: 0x0420, #        CYRILLIC CAPITAL LETTER ER
+        0x00d1: 0x0421, #        CYRILLIC CAPITAL LETTER ES
+        0x00d2: 0x0422, #        CYRILLIC CAPITAL LETTER TE
+        0x00d3: 0x0423, #        CYRILLIC CAPITAL LETTER U
+        0x00d4: 0x0424, #        CYRILLIC CAPITAL LETTER EF
+        0x00d5: 0x0425, #        CYRILLIC CAPITAL LETTER HA
+        0x00d6: 0x0426, #        CYRILLIC CAPITAL LETTER TSE
+        0x00d7: 0x0427, #        CYRILLIC CAPITAL LETTER CHE
+        0x00d8: 0x0428, #        CYRILLIC CAPITAL LETTER SHA
+        0x00d9: 0x0429, #        CYRILLIC CAPITAL LETTER SHCHA
+        0x00da: 0x042a, #        CYRILLIC CAPITAL LETTER HARD SIGN
+        0x00db: 0x042b, #        CYRILLIC CAPITAL LETTER YERU
+        0x00dc: 0x042c, #        CYRILLIC CAPITAL LETTER SOFT SIGN
+        0x00dd: 0x042d, #        CYRILLIC CAPITAL LETTER E
+        0x00de: 0x042e, #        CYRILLIC CAPITAL LETTER YU
+        0x00df: 0x042f, #        CYRILLIC CAPITAL LETTER YA
+        0x00e0: 0x0430, #        CYRILLIC SMALL LETTER A
+        0x00e1: 0x0431, #        CYRILLIC SMALL LETTER BE
+        0x00e2: 0x0432, #        CYRILLIC SMALL LETTER VE
+        0x00e3: 0x0433, #        CYRILLIC SMALL LETTER GHE
+        0x00e4: 0x0434, #        CYRILLIC SMALL LETTER DE
+        0x00e5: 0x0435, #        CYRILLIC SMALL LETTER IE
+        0x00e6: 0x0436, #        CYRILLIC SMALL LETTER ZHE
+        0x00e7: 0x0437, #        CYRILLIC SMALL LETTER ZE
+        0x00e8: 0x0438, #        CYRILLIC SMALL LETTER I
+        0x00e9: 0x0439, #        CYRILLIC SMALL LETTER SHORT I
+        0x00ea: 0x043a, #        CYRILLIC SMALL LETTER KA
+        0x00eb: 0x043b, #        CYRILLIC SMALL LETTER EL
+        0x00ec: 0x043c, #        CYRILLIC SMALL LETTER EM
+        0x00ed: 0x043d, #        CYRILLIC SMALL LETTER EN
+        0x00ee: 0x043e, #        CYRILLIC SMALL LETTER O
+        0x00ef: 0x043f, #        CYRILLIC SMALL LETTER PE
+        0x00f0: 0x0440, #        CYRILLIC SMALL LETTER ER
+        0x00f1: 0x0441, #        CYRILLIC SMALL LETTER ES
+        0x00f2: 0x0442, #        CYRILLIC SMALL LETTER TE
+        0x00f3: 0x0443, #        CYRILLIC SMALL LETTER U
+        0x00f4: 0x0444, #        CYRILLIC SMALL LETTER EF
+        0x00f5: 0x0445, #        CYRILLIC SMALL LETTER HA
+        0x00f6: 0x0446, #        CYRILLIC SMALL LETTER TSE
+        0x00f7: 0x0447, #        CYRILLIC SMALL LETTER CHE
+        0x00f8: 0x0448, #        CYRILLIC SMALL LETTER SHA
+        0x00f9: 0x0449, #        CYRILLIC SMALL LETTER SHCHA
+        0x00fa: 0x044a, #        CYRILLIC SMALL LETTER HARD SIGN
+        0x00fb: 0x044b, #        CYRILLIC SMALL LETTER YERU
+        0x00fc: 0x044c, #        CYRILLIC SMALL LETTER SOFT SIGN
+        0x00fd: 0x044d, #        CYRILLIC SMALL LETTER E
+        0x00fe: 0x044e, #        CYRILLIC SMALL LETTER YU
+        0x00ff: 0x044f, #        CYRILLIC SMALL LETTER YA
 })
 
 ### Encoding Map