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Status Delivered
Workspace IBM i
Categories Core OS
Created by Guest
Created on Apr 25, 2019

IBM i - iconv() - Unicode support enhancement (MS932 sequence)

Microsoft Unicode sequence support on iconv() is required.
IBM i provides single 1399<->Unicode converter which complies Unicode standard, not the same as Microsoft conversion table.
Thus, the result of conversion is different from 5035 (compatible to MS Unicode) and causes confusion to customers.

Academically correct but practically annoying.
Other IBM S/W products provide function or procedure to switch between IBM and MS.
Reference:
- IBM i : incompatibility statement (Japanese)
https://www-356.ibm.com/partnerworld/wps/servlet/mem/ContentHandler/jp_ast_pdt_NT000096D2/lc=ja_JP
- IBM i : PTF
https://www-01.ibm.com/support/docview.wss?uid=nas3MF55094
- Db2 LUW
https://www.ibm.com/support/knowledgecenter/fr/SSEPGG_9.7.0/com.ibm.db2.luw.admin.nls.doc/doc/c0022611.html
- Domino (Japanese)
https://www-01.ibm.com/support/docview.wss?rs=607&context=SW000&dc=DB520&q1=ibm&uid=swg21463981&loc=ja_JP&cs=utf-8&lang=ja
- PCOMM
https://www.ibm.com/support/knowledgecenter/en/SSEQ5Y_5.9.0/com.ibm.pcomm.doc/readme/readV57.html#Modify%20conversion%20table%20for%20Japanese%20code%20pages%201390%20and%201399
- HATS/HOD
https://www.ibm.com/support/knowledgecenter/en/SSXKAY_9.7.0/com.ibm.hats.doc/uglang.htm


Use Case:

Customer who (implicitly) use iconv() for 1399<->Unicode conversion see the same result as before (5035).


Idea priority Medium
  • Guest
    Reply
    |
    May 4, 2022

    The IBM default mapping support for CCSID 1399 to and from Unicode converts 5 characters differently than Microsoft does in its default support. This can cause problems for customers that have both operating systems in their environment. To help address this difference there is an additional map that will translate these 5 characters like Microsoft does. To access this conversion, specify a conversion alternative of 7 on the iconv_open() API.


    For more information on how to address this, see Alternative CCSID 1399 conversion in IBM i Documentation for release 7.5.


    IBM Power Systems Development

  • Guest
    Reply
    |
    Sep 18, 2020

    We are considering this for a future enhancement.