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-rw-r--r--src/lib/util/unicode.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/util/unicode.h b/src/lib/util/unicode.h
index 8a1180dcc92..5e30a74916e 100644
--- a/src/lib/util/unicode.h
+++ b/src/lib/util/unicode.h
@@ -111,6 +111,10 @@ std::string normalize_unicode(const std::string &s, unicode_normalization_form n
std::string normalize_unicode(const char *s, unicode_normalization_form normalization_form);
std::string normalize_unicode(const char *s, size_t length, unicode_normalization_form normalization_form);
+// upper and lower case
+char32_t uchar_toupper(char32_t ch);
+char32_t uchar_tolower(char32_t ch);
+
// misc UTF-8 helpers
const char *utf8_previous_char(const char *utf8string);
bool utf8_is_valid_string(const char *utf8string);