70 lines
4.8 KiB
HTML
70 lines
4.8 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Index search and double-byte character set" />
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<meta name="abstract" content="The index search function can be used with either double-byte character set (DBCS) or single-byte character set (SBCS) data. When DBCS data is used, the device from which it is requested must be capable of entering and presenting the data in DBCS." />
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<meta name="description" content="The index search function can be used with either double-byte character set (DBCS) or single-byte character set (SBCS) data. When DBCS data is used, the device from which it is requested must be capable of entering and presenting the data in DBCS." />
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<meta name="DC.Relation" scheme="URI" content="rbagsuserinterfaceman.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rbagsindexsearchanddbcs" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Index search and double-byte character set</title>
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</head>
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<body id="rbagsindexsearchanddbcs"><a name="rbagsindexsearchanddbcs"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Index search and double-byte character set</h1>
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<div><p>The index search function can be used with either double-byte character
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set (DBCS) or single-byte character set (SBCS) data. When DBCS data is used,
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the device from which it is requested must be capable of entering and presenting
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the data in DBCS.</p>
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<p>The object that contains the index search data is marked as containing
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DBCS data. The system determines if the device is capable of handling the
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DBCS data.</p>
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<p>When the data is being prepared for DBCS format and the
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index search function is used with that data, consider the following information:</p>
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<ul><li>When the index search data is prepared for a DBCS system, the synonyms
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entered on the ISCHSYN tag must be in double-byte character mode. That is,
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the first byte after the tag must be a shift-out character and the last byte
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of the data must be a shift-in character. The system does not convert data
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on the ISCHSYN tag to double-byte character data.</li>
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<li>Words must be separated by a single-byte blank. From 1 to 19 double-byte
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characters can be combined to form a word. Intervening shift-out
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and shift-in characters are allowed, but are ignored by index search.</li>
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<li>The words that are used to link the ISCH and ISCHSYN tags (the ROOTS attribute
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of the ISCH tag and the ROOT attribute of ISCHSYN tag) must be identical and
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should not be entered in DBCS.</li>
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<li>Search words can be entered in either single-byte mode or double-byte
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mode. Single-byte blanks can be entered to separate the words.</li>
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</ul>
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<p>When the search words are shown on the screen, the double-byte character
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representation (the character that was actually used in the search) is shown.
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Special processing takes place so that index search is not case sensitive.
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The search words from the ISCHSYN tag are converted to uppercase using a conversion
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table for the code page that is specified with the TXTCHRID attribute of the
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PNLGRP tag. If the search words are DBCS, they are not converted to uppercase.
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Shift-out and shift-in characters are treated as blanks during parsing; leading
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and trailing blanks are removed. All SBCS words are converted to uppercase
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using a conversion table for the code page of the device description.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rbagsuserinterfaceman.htm" title="The i5/OS user interface manager (UIM) is a part of the system that allows you to define panels and dialogs for your application.">User interface manager</a></div>
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</div>
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</div>
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</body>
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</html>
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