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Move comment about casts from pg_wchar.

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Suggested-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://postgr.es/m/CA+hUKGLXQUYK7Cq5KbLGgTWo7pORs7yhBWO1AEnZt7xTYbLRhg@mail.gmail.com
This commit is contained in:
Jeff Davis
2025-10-28 10:49:20 -07:00
parent 35e53b6841
commit 4da12e9e2e
2 changed files with 6 additions and 2 deletions
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5
src/backend/utils/adt/pg_locale_icu.c
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@@ -128,6 +128,11 @@ char_is_cased_icu(char ch, pg_locale_t locale)
(ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z');
}
/*
* XXX: many of the functions below rely on casts directly from pg_wchar to
* UChar32, which is correct for the UTF-8 encoding, but not in general.
*/
static pg_wchar
toupper_icu(pg_wchar wc, pg_locale_t locale)
{