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Add mblower and mbupper functions.

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These are Unicode-safe versions of lower() and upper()
This commit is contained in:
Dianne Skoll
2026-02-05 12:41:36 -05:00
parent c0c49be0b5
commit ea2312c0b2
6 changed files with 230 additions and 24 deletions
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18
man/remind.1.in
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@@ -4224,7 +4224,14 @@ a \fBDATETIME\fR object that expresses the same time in UTC.
.TP
.B lower(s_string)
Returns a \fBSTRING\fR with all upper-case characters in \fIstring\fR
converted to lower-case.
converted to lower-case. \fBNote:\fR This function works correctly
only for ASCII strings. If you are using Unicode characters outside
the ASCII set, use \fBmblower\fR instead.
.TP
.B mblower(s_string)
Returns a \fBSTRING\fR with all upper-case characters in \fIstring\fR
converted to lower-case. This function works correctly on any
Unicode string.
.TP
.B max(x_arg1 [,x_arg2...)
Can take any number of arguments, and returns the maximum. The arguments
@@ -5133,8 +5140,15 @@ of the time zone name.
.PP
.TP
.B upper(s_string)
Returns a \fBSTRING\fR with all lower-case bytes in \fIstring\fR
converted to upper-case. \fBNote:\fR This function works correctly
only for ASCII strings. If you are using Unicode characters outside
the ASCII set, use \fBmbupper\fR instead.
.TP
.B mbupper(s_string)
Returns a \fBSTRING\fR with all lower-case characters in \fIstring\fR
converted to upper-case.
converted to upper-case. This function works correctly on any
Unicode string.
.TP
.B utctolocal(q_datetime)
Given a \fBDATETIME\fR object interpreted in UTC, return a