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TITLE: OpenVMS VAXVMSI18N01_071 VAX V7.1 European Currency Symbols CRTL ECO Summary Modification Date: 24-DEC-98 Modification Type: New Kit NOTE: An OpenVMS saveset or PCSI installation file is stored on the Internet in a self-expanding compressed file. The name of the compressed file will be kit_name-dcx_vaxexe for OpenVMS VAX or kit_name-dcx_axpexe for OpenVMS Alpha. Once the file is copied to your system, it can be expanded by typing RUN compressed_file. The resultant file will be the OpenVMS saveset or PCSI installation file which can be used to install the ECO. Copyright (c) Compaq Computer Corporation 1998. All rights reserved. OP/SYS: DIGITAL OpenVMS VAX COMPONENT: Euro I18N Components DEC C RTL SOURCE: Compaq Computer Corporation ECO INFORMATION: ECO Kit Name: VAXVMSI18N01_071 ECO Kits Superseded by This ECO Kit: None ECO Kit Approximate Size: 1890 Blocks Kit Applies To: OpenVMS VAX V7.1 System/Cluster Reboot Necessary: No Rolling Re-boot Supported: Not Applicable Installation Rating: INSTALL_2 2 - To be installed on all systems running the listed version(s) of OpenVMS and using the following feature(s): Euro currency sign Kit Dependencies: The following remedial kit(s) must be installed BEFORE installation of this kit: None In order to receive all the corrections listed in this kit, the following remedial kits should also be installed: None ECO KIT SUMMARY: An ECO kit exists for the Euro I18N Components in the DEC C RTL on OpenVMS VAX V7.1. This kit addresses the following problems: o For OpenVMS V7.2, Euro I18N Components are shipped with VMSI18N072 kit. The VAXVMSI18N01_071 kit brings the I18N Euro support to OpenVMS V7.1. Euro I18N Components from the current kit are aimed at applications based on X/Open internationalization model according to which currency and international currency symbols are retrieved at run-time from the current program's locale using the C Run-Time Library functions. The primary objective of this kit is to ease the conversion to the Euro currency sign, for those applications which are currently using locales based on the ISO8859-1 (Latin-1) character set. This is because ISO8859-1 is the character set used by most (if not all) countries affected by Euro. o There are two standard character sets which include Euro sign: + ISO8859-15 (Latin 1) + Unicode. ISO8859-15 is similar to ISO8859-1, but not identical. The problem with the ISO8859-15 character set is that it redefines not only the 0xa4 codepoint, which is defined as CURRENCY SIGN in ISO8859-1 and as EURO SIGN in ISO8859-15, but also a number of other characters. If an ISO8859-1-based application switches to ISO8859-15, it can result in different behavior (output, strings collation, etc.) not only for the currency symbol, which is expected, but also for those characters which are defined differently in ISO8859-1 and ISO8859-15. To address this compatibility problem, COMPAQ introduced a proprietary character set: ISO8859-1-Euro which is the same as ISO8859-1 except for the 0xa4 codepoint which is defined as EURO SIGN in ISO8859-1-Euro, the same definition as that in ISO8859-15. Since ISO8859-1-Euro and ISO8859-1 differ only by the 0xa4 codepoint, for a ISO8859-1-based application, a switch to the ISO8859-1-Euro character set means a change in the currency symbol, and nothing else. o Applications following the X/Open internationalization model select character sets through locales. Each locale is based on a particular character set. By setting a current programs locale via a call to the setlocale() C Run-Time Library function, the application sets its execution character set to that the locale is based on. Beginning with OpenVMS V6.2, OpenVMS provides the following set of locales based on the ISO8859-1character set: DA_DK_ISO8859-1 (Danish) DE_CH_ISO8859-1 (Swiss German) DE_DE_ISO8859-1 (German) EN_GB_ISO8859-1 (Great Britain) EN_US_ISO8859-1 (U.S.A) ES_ES_ISO8859-1 (Spanish) FI_FI_ISO8859-1 (Finnish) FR_BE_ISO8859-1 (Belgian French) FR_CA_ISO8859-1 (Canadian French) FR_CH_ISO8859-1 (Swiss French) FR_FR_ISO8859-1 (French) IS_IS_ISO8859-1 (Icelandic) IT_IT_ISO8859-1 (Italian) NL_BE_ISO8859-1 (Belgian Dutch) NL_NL_ISO8859-1 (Dutch) NO_NO_ISO8859-1 (Norwegian) PT_PT_ISO8859-1 (Portuguese) SV_SE_ISO8859-1 (Swedish) The locales above are shipped in the VMSI18N0nn kit where nn indicates the version of OpenVMS. For example, VMSI18N071 is for OpenVMS V7.1. What the Euro I18N Components kit adds to the OpenVMS I18N infrastructure is a "shadow" set of locales based on the ISO8859-1-Euro character set. Throughout this document, locales based on the ISO8859-1-Euro character set are referred to as Euro locales. For each ISO8859-1 based locale, the present kit adds a corresponding Euro locale. The difference between a "non-Euro" locale and its Euro counterpart is not only the character set the locale is based on; the locales also provide different definitions for the currency_symbol and int_curr_symbol items from the LC_MONETARY category. While a "non-Euro" locale defines currency and international currency symbols in a country-specific manner, all Euro locales define the currency symbol to be the Euro sign and the international currency symbol as a "EUR" string. For example, the EN_GB_ISO8859-1 locale contains the following definitions: ############## LC_MONETARY ############## int_curr_symbol "GBP" currency_symbol "£" while its EN_GB_ISO8859-1-EURO counterpart has the following: ############## LC_MONETARY ############## int_curr_symbol "EUR" currency_symbol "" The only thing the application using the strfmon() C Run-Time Library function for monetary values needs to do, in order to switch to Euro, is to set the Euro locale. This is shown in the following example: TEST.C ====== #include #include #include main() { char buffer[80]; ssize_t res; double amount = 1.0; /* one Euro */ /* ** set locale according to the setting ** of the environment variables */ if ( setlocale(LC_ALL,"" ) == NULL ) perror("cannot set locale"); */ ** call strfmon using the %i format specifier ** to get international currency symbol */ res = strfmon(buffer, sizeof(buffer), "%i", amount); if ( res == -1 ) perror("strfmon failed"); else printf("output from strfmon: '%s'\n", buffer); } $ define/nolog lang EN_GB_ISO8859-1 $ r test output from strfmon: '+GBP 1.00' $ define/nolog lang EN_GB_ISO8859-1-EURO $ r test output from strfmon: '+EUR 1.00' $ Note that strfmon() is not the only function which retrieves a currency symbol from the current program's locale; nl_langinfo(CRNCYSTR) can also be used to get a locale-specific currency symbol. The LOCALE SHOW utility can be used to display information about a particular locale. For example: $ define/nolog lang FR_FR_ISO8859-1 $ locale show value int_curr_symbol "FRF" $ define/nolog lang FR_FR_ISO8859-1-EURO $ locale show value int_curr_symbol "EUR" $ The VAXVMSI18N01_071 kit provides the following set of Euro locales: a Euro locale for each ISO8859-1 - based locale: DA_DK_ISO8859-1-EURO (Danish Euro) DE_CH_ISO8859-1-EURO (Swiss German Euro) DE_DE_ISO8859-1-EURO (German Euro) EN_GB_ISO8859-1-EURO (Great Britain Euro) EN_US_ISO8859-1-EURO (U.S.A Euro) ES_ES_ISO8859-1-EURO (Spanish Euro) FI_FI_ISO8859-1-EURO (Finnish Euro) FR_BE_ISO8859-1-EURO (Belgian French Euro) FR_CA_ISO8859-1-EURO (Canadian French Euro) FR_CH_ISO8859-1-EURO (Swiss French Euro) FR_FR_ISO8859-1-EURO (French Euro) IS_IS_ISO8859-1-EURO (Icelandic Euro) IT_IT_ISO8859-1-EURO (Italian Euro) NL_BE_ISO8859-1-EURO (Belgian Dutch Euro) NL_NL_ISO8859-1-EURO (Dutch Euro) NO_NO_ISO8859-1-EURO (Norwegian Euro) PT_PT_ISO8859-1-EURO (Portuguese Euro) SV_SE_ISO8859-1-EURO (Swedish Euro) The VAXVMSI18N01_071 kit provides binary locale files along with locale source files and a ISO8859-1-EURO.CMAP character set description file (a.k.a cmap file). If a Euro locale needs to be customized, the locale source file can be modified and the new binary locale file can be created using the LOCALE COMPILE utility. See the DEC C Run-Time Library Utilities Reference Manual for format of the locale source file and the description of the LOCALE COMPILE utility. In the future, COMPAQ is planning to add Unicode-based Euro locales and locales based on the ISO8859-15 character set. o The VAXVMSI18N01_071 kit provides Unicode codeset converters for both the proprietary ISO8859-1-EURO character set and the standard ISO8859-15 character set. These codeset converters facilitate data exchange between OpenVMS systems and systems using Unicode based and ISO8859-15 based solutions for Euro. The codeset converters convert data coded in ISO8859-1-EURO and ISO8859-15 character sets to/from any flavor of Unicode encoding supported by OpenVMS, as follows: ICONV files and corresponding codeset conversions ------------------------------------------------- ICONV file codeset conversion --------------- ----------------------- ISO8859-1-EURO_UCS-2.ICONV from ISO8859-1-EURO to UCS-2 ISO8859-1-EURO_UCS-4.ICONV from ISO8859-1-EURO to UCS-4 ISO8859-1-EURO_UTF-8.ICONV from ISO8859-1-EURO to UTF-8 UCS-2_ISO8859-1-EURO.ICONV from UCS-2 to ISO8859-1-EURO UCS-4_ISO8859-1-EURO.ICONV from UCS-4 to ISO8859-1-EURO UTF-8_ISO8859-1-EURO.ICONV from UTF-8 to ISO8859-1-EURO ISO8859-15_UCS-2.ICONV from ISO8859-15 to UCS-2 ISO8859-15_UCS-4.ICONV from ISO8859-15 to UCS-4 ISO8859-15_UTF-8.ICONV from ISO8859-15 to UTF-8 UCS-2_ISO8859-15.ICONV from UCS-2 to ISO8859-15 UCS-4_ISO8859-15.ICONV from UCS-4 to ISO8859-15 UTF-8_ISO8859-15.ICONV from UTF-8 to ISO8859-15 The codeset converters can be used by DEC C Run-Time Library functions from the iconv family of functions or by ICONV CONVERT utility. See the DEC C Run-Time Library Utilities Reference Manual for the description of the ICONV CONVERT utility. INSTALLATION NOTES: The system does not need to be rebooted after this kit is installed. All trademarks are the property of their respective owners.



This patch can be found at any of these sites:

Colorado Site
Georgia Site
European Site



Files on this server are as follows:

vaxvmsi18n01_071.README
vaxvmsi18n01_071.CHKSUM
vaxvmsi18n01_071.CVRLET_TXT
vaxvmsi18n01_071.a-dcx_vaxexe

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