ISO-2022-JP encoder: convert halfwidth katakana to fullwidth

Fixes #105.

encoding.bs

@@ -655,10 +655,11 @@ changed, so has the <a>index</a>.
 <var>code point</var> is not in <var>index</var>.
 
 <div class=note id=visualization>
- <p>There is a non-normative visualization for each index other than <a>index gb18030 ranges</a>.
- <a>index jis0208</a> also has an alternative <a>Shift_JIS</a> visualization. Additionally, there is
- visualization of the Basic Multilingual Plane coverage of each index other than
- <a>index gb18030 ranges</a>.
+ <p>There is a non-normative visualization for each <a>index</a> other than
+ <a>index gb18030 ranges</a> and <a>index ISO-2022-JP katakana</a>. <a>index jis0208</a> also has an
+ alternative <a>Shift_JIS</a> visualization. Additionally, there is visualization of the Basic
+ Multilingual Plane coverage of each index other than <a>index gb18030 ranges</a> and
+ <a>index ISO-2022-JP katakana</a>.
 
  <p>The legend for the visualizations is:
 
@@ -748,6 +749,12 @@ specification, excluding <a>index single-byte</a>, which have their own table:
    No JIX X 0212 ISO-2022-JP support:
      https://www.w3.org/Bugs/Public/show_bug.cgi?id=26885
   -->
+ <tr>
+  <td><dfn export>index ISO-2022-JP katakana</dfn>
+  <td colspan=3><a href=index-iso-2022-jp-katakana.txt>index-iso-2022-jp-katakana.txt</a>
+  <td>This maps halfwidth to fullwidth katakana as per Unicode Normalization Form KC, except that
+  U+FF9E and U+FF9F map to U+309B and U+309C rather than U+3099 and U+309A. It is only used by the
+  <a>ISO-2022-JP encoder</a>. [[UNICODE]]
 </table>
 
 <p>The <dfn>index gb18030 ranges code point</dfn> for <var>pointer</var> is
@@ -826,10 +833,9 @@ these steps:
 
 <hr>
 
-<p class="note no-backref">All <a lt=index>indexes</a> are also available as
-non-normative <a href=indexes.json>indexes.json</a> resource.
-(<a>index gb18030 ranges</a> has a slightly different format here, to be able
-to represent ranges.)
+<p class="note no-backref">All <a lt=index>indexes</a> are also available as a non-normative
+<a href=indexes.json>indexes.json</a> resource. (<a>Index gb18030 ranges</a> has a slightly
+different format here, to be able to represent ranges.)
 
 
 
@@ -1898,7 +1904,7 @@ consumers of content generated with <a>GBK</a>'s <a for=/>encoder</a>.
  <li><p>If <a>EUC-JP lead</a> is 0x8E and <var>byte</var> is
  in the range 0xA1 to 0xDF, inclusive, set <a>EUC-JP lead</a> to 0x00 and return
  a code point whose value is 0xFF61 &minus; 0xA1 + <var>byte</var>.
- <!-- katakana; subtraction is done first to avoid upsetting compilers -->
+ <!-- Katakana; subtraction is done first to avoid upsetting compilers -->
 
  <li><p>If <a>EUC-JP lead</a> is 0x8F and <var>byte</var> is in the range
  0xA1 to 0xFE, inclusive, set the <a>EUC-JP jis0212 flag</a>, set
@@ -2050,7 +2056,7 @@ consumers of content generated with <a>GBK</a>'s <a for=/>encoder</a>.
    <dd><p>Unset the <a>ISO-2022-JP output flag</a> and return <a>error</a>.
   </dl>
 
- <dt><dfn lt="ISO-2022-JP decoder Katakana">Katakana</dfn>
+ <dt><dfn lt="ISO-2022-JP decoder katakana">katakana</dfn>
  <dd>
   <p>Based on <var>byte</var>:
   <dl class=switch>
@@ -2166,7 +2172,7 @@ consumers of content generated with <a>GBK</a>'s <a for=/>encoder</a>.
    <var>state</var> to <a lt="ISO-2022-JP decoder Roman">Roman</a>.
 
    <li><p>If <var>lead</var> is 0x28 and <var>byte</var> is 0x49<!--I-->, set
-   <var>state</var> to <a lt="ISO-2022-JP decoder Katakana">Katakana</a>.
+   <var>state</var> to <a lt="ISO-2022-JP decoder katakana">katakana</a>.
 
    <li><p>If <var>lead</var> is 0x24 and <var>byte</var> is either
    0x40<!--@--> or 0x42<!--B-->, set <var>state</var> to
@@ -2266,6 +2272,10 @@ consumers of content generated with <a>GBK</a>'s <a for=/>encoder</a>.
 
  <li><p>If <var>code point</var> is U+2212, set it to U+FF0D.
 
+ <li><p>If <var>code point</var> is in the range U+FF61 to U+FF9F, inclusive, set it to the
+ <a>index code point</a> for <var>code point</var> &minus; 0xFF61 in
+ <a>index ISO-2022-JP katakana</a>.
+
  <li>
   <p>Let <var>pointer</var> be the <a>index pointer</a> for <var>code point</var> in
   <a>index jis0208</a>.

index-big5.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 8dfc771062e7be0810919082c2c06baa2236147909e0ecc235b1cb9ad782ac82
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   942	0x43F0	䏰 (<CJK Ideograph Extension A>)
   943	0x4C32	䰲 (<CJK Ideograph Extension A>)

index-euc-kr.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 1d97134cbf187263585bc8f593ca4196654ed4c7a673f5672eaad4f5d9fdc4ba
-# Date: 2016-10-24
+# Date: 2017-05-06
 
     0	0xAC02	갂 (HANGUL SYLLABLE GAGG)
     1	0xAC03	갃 (HANGUL SYLLABLE GAGS)

index-gb18030-ranges.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: f963aaa1653f630c523e7b04729fb4e4458f35806c45eb5c179445623138f0c0
-# Date: 2016-10-24
+# Date: 2017-05-06
 
      0	0x0080
     36	0x00A5

index-gb18030.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 715f084846f5c6fc9dd31046d0a4d604bd2d88bfe3a22833cea048415e413c70
-# Date: 2016-10-24
+# Date: 2017-05-06
 
     0	0x4E02	丂 (<CJK Ideograph>)
     1	0x4E04	丄 (<CJK Ideograph>)

index-ibm866.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: db6fe14a559d1601a7667338d83704773d5708dbc641e1ad3c5e21405770f05e
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0410	А (CYRILLIC CAPITAL LETTER A)
   1	0x0411	Б (CYRILLIC CAPITAL LETTER BE)

index-iso-2022-jp-katakana.txt

@@ -0,0 +1,72 @@
+# Any copyright is dedicated to the Public Domain.
+# https://creativecommons.org/publicdomain/zero/1.0/
+#
+# For details on index index-iso-2022-jp-katakana.txt see the Encoding Standard
+# https://encoding.spec.whatwg.org/
+#
+# Identifier: 6ffc12c11f6eab1ccb3dada740d9b0db096ef0b0783c3bd5ec951dcb4a44b95e
+# Date: 2017-05-06
+
+ 0	0x3002	。 (IDEOGRAPHIC FULL STOP)
+ 1	0x300C	「 (LEFT CORNER BRACKET)
+ 2	0x300D	」 (RIGHT CORNER BRACKET)
+ 3	0x3001	、 (IDEOGRAPHIC COMMA)
+ 4	0x30FB	・ (KATAKANA MIDDLE DOT)
+ 5	0x30F2	ヲ (KATAKANA LETTER WO)
+ 6	0x30A1	ァ (KATAKANA LETTER SMALL A)
+ 7	0x30A3	ィ (KATAKANA LETTER SMALL I)
+ 8	0x30A5	ゥ (KATAKANA LETTER SMALL U)
+ 9	0x30A7	ェ (KATAKANA LETTER SMALL E)
+10	0x30A9	ォ (KATAKANA LETTER SMALL O)
+11	0x30E3	ャ (KATAKANA LETTER SMALL YA)
+12	0x30E5	ュ (KATAKANA LETTER SMALL YU)
+13	0x30E7	ョ (KATAKANA LETTER SMALL YO)
+14	0x30C3	ッ (KATAKANA LETTER SMALL TU)
+15	0x30FC	ー (KATAKANA-HIRAGANA PROLONGED SOUND MARK)
+16	0x30A2	ア (KATAKANA LETTER A)
+17	0x30A4	イ (KATAKANA LETTER I)
+18	0x30A6	ウ (KATAKANA LETTER U)
+19	0x30A8	エ (KATAKANA LETTER E)
+20	0x30AA	オ (KATAKANA LETTER O)
+21	0x30AB	カ (KATAKANA LETTER KA)
+22	0x30AD	キ (KATAKANA LETTER KI)
+23	0x30AF	ク (KATAKANA LETTER KU)
+24	0x30B1	ケ (KATAKANA LETTER KE)
+25	0x30B3	コ (KATAKANA LETTER KO)
+26	0x30B5	サ (KATAKANA LETTER SA)
+27	0x30B7	シ (KATAKANA LETTER SI)
+28	0x30B9	ス (KATAKANA LETTER SU)
+29	0x30BB	セ (KATAKANA LETTER SE)
+30	0x30BD	ソ (KATAKANA LETTER SO)
+31	0x30BF	タ (KATAKANA LETTER TA)
+32	0x30C1	チ (KATAKANA LETTER TI)
+33	0x30C4	ツ (KATAKANA LETTER TU)
+34	0x30C6	テ (KATAKANA LETTER TE)
+35	0x30C8	ト (KATAKANA LETTER TO)
+36	0x30CA	ナ (KATAKANA LETTER NA)
+37	0x30CB	ニ (KATAKANA LETTER NI)
+38	0x30CC	ヌ (KATAKANA LETTER NU)
+39	0x30CD	ネ (KATAKANA LETTER NE)
+40	0x30CE	ノ (KATAKANA LETTER NO)
+41	0x30CF	ハ (KATAKANA LETTER HA)
+42	0x30D2	ヒ (KATAKANA LETTER HI)
+43	0x30D5	フ (KATAKANA LETTER HU)
+44	0x30D8	ヘ (KATAKANA LETTER HE)
+45	0x30DB	ホ (KATAKANA LETTER HO)
+46	0x30DE	マ (KATAKANA LETTER MA)
+47	0x30DF	ミ (KATAKANA LETTER MI)
+48	0x30E0	ム (KATAKANA LETTER MU)
+49	0x30E1	メ (KATAKANA LETTER ME)
+50	0x30E2	モ (KATAKANA LETTER MO)
+51	0x30E4	ヤ (KATAKANA LETTER YA)
+52	0x30E6	ユ (KATAKANA LETTER YU)
+53	0x30E8	ヨ (KATAKANA LETTER YO)
+54	0x30E9	ラ (KATAKANA LETTER RA)
+55	0x30EA	リ (KATAKANA LETTER RI)
+56	0x30EB	ル (KATAKANA LETTER RU)
+57	0x30EC	レ (KATAKANA LETTER RE)
+58	0x30ED	ロ (KATAKANA LETTER RO)
+59	0x30EF	ワ (KATAKANA LETTER WA)
+60	0x30F3	ン (KATAKANA LETTER N)
+61	0x309B	゛ (KATAKANA-HIRAGANA VOICED SOUND MARK)
+62	0x309C	゜ (KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK)

index-iso-8859-10.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 02c2b5590d8ccda9931008c471f6ee2c590b2c8fe5e6ccb3b08638115d778507
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-13.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 40736338e964ab520407cebcb01329f8d450abf6ce12bf88b74b655b60e43300
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-14.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 2c8651cfc08b1f35b17919ee5379f2fa006af3ec809f11b3b7f470785580542b
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-15.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: a560aba47bccd7510a6ac77f671fe75dca3800f05cf6d676910c311a8f8ff079
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-16.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 55676320d2d1b6e6909f5b3d741a7cf0cefc84e920aa4474afc091459111c2e3
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-2.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 9569c67f22d0b57790e1c407c6eecf227e4562322dc296de43cdab7a0152ec73
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-3.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: af8f1e12df79b768322b5e83613698cdc619438270a2fc359554331c805054a3
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-4.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 72f29c92344d351fe9e74a946e7e0468d76d542c6894ff82982cb652ebe0feb7
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-5.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: fa9b1f3f5242df43e2e7bca80e9b6997c67944f20a4af91ee06bacc4e132d9c9
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-6.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 85bb7b5c2dc75975afebe5743935ba4ed5a09c1e9e34e9bfb2ff80293f5d8bbc
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-7.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: f53d8aeba36314ef950eef02ffcf11dff540638ce27dfe7a86b6ccc6875afb24
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-iso-8859-8.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 7657a9ca3fa875990da960d3f812eea28dcd0ae6ed55a18d5394303c86f5484b
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0080	€ (<control>)
   1	0x0081	 (<control>)

index-jis0208.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: cbaa91f3deb7d0841faf5c33041fc15a285da0e87e64ab802c4bf04b7c4da861
-# Date: 2016-10-24
+# Date: 2017-05-06
 
     0	0x3000	　 (IDEOGRAPHIC SPACE)
     1	0x3001	、 (IDEOGRAPHIC COMMA)

index-jis0212.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 83bf90dd1c591a4355730d8c4567efc499d74da7490531019ef22a879991cfb7
-# Date: 2016-10-24
+# Date: 2017-05-06
 
  108	0x02D8	˘ (BREVE)
  109	0x02C7	ˇ (CARON)

index-koi8-r.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: c5497cd9071cb352c0e56b219154e539badf63de40b71578f09e2e11fe7d50ae
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x2500	─ (BOX DRAWINGS LIGHT HORIZONTAL)
   1	0x2502	│ (BOX DRAWINGS LIGHT VERTICAL)

index-koi8-u.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 19a4da2c3f245118bbc8019326f45a07832949938ff903f03d62ac4da1f61f40
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x2500	─ (BOX DRAWINGS LIGHT HORIZONTAL)
   1	0x2502	│ (BOX DRAWINGS LIGHT VERTICAL)

index-macintosh.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: f2c6a4f6406b3e86a50a5dba4d2b7dd48e2e33c0d82aefe764535c934ec11764
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x00C4	Ä (LATIN CAPITAL LETTER A WITH DIAERESIS)
   1	0x00C5	Å (LATIN CAPITAL LETTER A WITH RING ABOVE)

index-windows-1250.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 0669455a7a1c70ba6003ea737991e8ee9adc455125c13cfe6705a361358de5fa
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x20AC	€ (EURO SIGN)
   1	0x0081	 (<control>)

index-windows-1251.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 7592ef921679ba168b00a9e9afa3b4eebd67bf13dc7e84c4b6e120de856826e0
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x0402	Ђ (CYRILLIC CAPITAL LETTER DJE)
   1	0x0403	Ѓ (CYRILLIC CAPITAL LETTER GJE)

index-windows-1252.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: e56d49d9176e9a412283cf29ac9bd613f5620462f2a080a84eceaf974cfa18b7
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x20AC	€ (EURO SIGN)
   1	0x0081	 (<control>)

index-windows-1253.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: 49fdc881a3488904dd1e8dfba9aef3258454249958b611bcded1d4c981ab5561
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x20AC	€ (EURO SIGN)
   1	0x0081	 (<control>)

index-windows-1254.txt

@@ -5,7 +5,7 @@
 # https://encoding.spec.whatwg.org/
 #
 # Identifier: e80a27adf377438be8ba5bd223875ea56d6a4d47f958cce1c957a2c446825caa
-# Date: 2016-10-24
+# Date: 2017-05-06
 
   0	0x20AC	€ (EURO SIGN)
   1	0x0081	 (<control>)