diff options
-rw-r--r-- | doc/src/sgml/func.sgml | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index fc4b9537871..91557f4fb0f 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -3110,8 +3110,11 @@ SELECT NOT(ROW(table.*) IS NOT NULL) FROM TABLE; -- detect at least one null in </para> <para> Converts the first letter of each word to upper case and the - rest to lower case. Words are sequences of alphanumeric - characters separated by non-alphanumeric characters. + rest to lower case. When using the <literal>libc</literal> locale + provider, words are sequences of alphanumeric characters separated + by non-alphanumeric characters; when using the ICU locale provider, + words are separated according to + <ulink url="https://www.unicode.org/reports/tr29/#Word_Boundaries">Unicode Standard Annex #29</ulink>. </para> <para> <literal>initcap('hi THOMAS')</literal> |