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Remove obsolete comment

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This comment should probably have been moved to pg_locale_libc.c in
commit 66ac94cdc7 (2024), but upon closer examination it was already
completely obsolete then.

The first part of the comment has been obsolete since commit
85feb77aa0 (2017), which required that the system provides the
required wide-character functions.

The second part has been obsolete since commit e9931bfb75 (2024),
which eliminated code paths depending on the global LC_CTYPE setting.

Discussion: https://www.postgresql.org/message-id/flat/170308e6-a7a3-4484-87b2-f960bb564afa%40eisentraut.org
This commit is contained in:
Peter Eisentraut 2025-11-25 06:26:49 +01:00
parent ed823da128
commit c581c9a7ac
1 changed files with 0 additions and 10 deletions
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10
src/backend/utils/adt/formatting.c
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@ -1616,16 +1616,6 @@ str_numth(char *dest, const char *num, enum TH_Case type)
* upper/lower/initcap functions
*****************************************************************************/
/*
* If the system provides the needed functions for wide-character manipulation
* (which are all standardized by C99), then we implement upper/lower/initcap
* using wide-character functions, if necessary. Otherwise we use the
* traditional <ctype.h> functions, which of course will not work as desired
* in multibyte character sets. Note that in either case we are effectively
* assuming that the database character encoding matches the encoding implied
* by LC_CTYPE.
*/
/*
* collation-aware, wide-character-aware lower function
*