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<h1 class="title">ISO 2022-JP (JIS) Text Codec</h1>
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<p>The JIS codec provides conversion to and from ISO 2022-JP.</p>
<p>The environment variable <code>UNICODEMAP_JP</code> can be used to fine-tune the JIS, Shift-JIS, and EUC-JP codecs. The mapping names are as for the Japanese XML working group's <a href="http://www.y-adagio.com/public/standards/tr_xml_jpf/toc.htm">XML Japanese Profile</a>, because it names and explains all the widely used mappings. Here are brief descriptions, written by Serika Kurusugawa:</p>
<ul>
<li>"unicode-0.9" or "unicode-0201" for Unicode style. This assumes JISX0201 for 0x00-0x7f. (0.9 is a table version of jisx02xx mapping used for Unicode 1.1.)</li>
<li>"unicode-ascii" This assumes US-ASCII for 0x00-0x7f; some chars (JISX0208 0x2140 and JISX0212 0x2237) are different from Unicode 1.1 to avoid conflict.</li>
<li>"open-19970715-0201" ("open-0201" for convenience) or "jisx0221-1995" for JISX0221-JISX0201 style. JIS X 0221 is JIS version of Unicode, but a few chars (0x5c, 0x7e, 0x2140, 0x216f, 0x2131) are different from Unicode 1.1. This is used when 0x5c is treated as YEN SIGN.</li>
<li>"open-19970715-ascii" ("open-ascii" for convenience) for JISX0221-ASCII style. This is used when 0x5c is treated as REVERSE SOLIDUS.</li>
<li>"open-19970715-ms" ("open-ms" for convenience) or "cp932" for Microsoft Windows style. Windows Code Page 932. Some chars (0x2140, 0x2141, 0x2142, 0x215d, 0x2171, 0x2172) are different from Unicode 1.1.</li>
<li>"jdk1.1.7" for Sun's JDK style. Same as Unicode 1.1, except that JIS 0x2140 is mapped to UFF3C. Either ASCII or JISX0201 can be used for 0x00-0x7f.</li>
</ul>
<p>In addition, the extensions "nec-vdc", "ibm-vdc" and "udc" are supported.</p>
<p>For example, if you want to use Unicode style conversion but with NEC's extension, set <code>UNICODEMAP_JP</code> to <code>unicode-0.9, nec-vdc</code>. (You will probably need to quote that in a shell command.)</p>
<p>Most of the code here was written by Serika Kurusugawa, a.k.a. Junji Takagi, and is included in Qt with the author's permission and the grateful thanks of the Qt team.</p>
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<p><b>See also </b><a href="qtcore-attribution-qjiscodec.html">Text Codec: ISO 2022-JP (JIS)</a>.</p>
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