Change 18280 by rgs@rgs-home on 2002/12/10 21:30:10

        Integrate from the maint-5.8/ branch :
        changes 18219, 18236, 18242-3, 18247-8,
        18253-5, 18257, 18273-6

Affected files ...

... //depot/perl/MANIFEST#957 integrate
... //depot/perl/hints/irix_6.sh#63 integrate
... //depot/perl/lib/File/Copy.pm#29 integrate
... //depot/perl/lib/utf8_heavy.pl#41 integrate
... //depot/perl/pod/perldiag.pod#325 integrate
... //depot/perl/pod/perlguts.pod#111 integrate
... //depot/perl/pod/perlsec.pod#26 integrate
... //depot/perl/pod/perlunicode.pod#113 integrate
... //depot/perl/pp.c#361 integrate
... //depot/perl/t/op/lc.t#12 integrate
... //depot/perl/t/op/lc_user.t#1 branch
... //depot/perl/t/op/pat.t#184 integrate
... //depot/perl/t/op/split.t#29 integrate
... //depot/perl/t/uni/tr_utf8.t#3 integrate

Differences ...

==== //depot/perl/MANIFEST#957 (text) ====
Index: perl/MANIFEST
--- perl/MANIFEST#956~18228~    Mon Dec  2 05:37:59 2002
+++ perl/MANIFEST       Tue Dec 10 13:30:10 2002
@@ -2567,6 +2567,7 @@
 t/op/int.t                     See if int works
 t/op/join.t                    See if join works
 t/op/lc.t                      See if lc, uc, lcfirst, ucfirst, quotemeta work
+t/op/lc_user.t                 See if user-defined lc et alia work
 t/op/length.t                  See if length works
 t/op/lex_assign.t              See if ops involving lexicals or pad temps work
 t/op/lfs.t                     See if large files work for perlio

==== //depot/perl/hints/irix_6.sh#63 (text) ====
Index: perl/hints/irix_6.sh
--- perl/hints/irix_6.sh#62~18168~      Thu Nov 21 05:59:12 2002
+++ perl/hints/irix_6.sh        Tue Dec 10 13:30:10 2002
@@ -170,7 +170,7 @@
        test -z "$plibpth" && plibpth='/usr/lib64 /lib64 /usr/ccs/lib'
        ;;
 *gcc*)
-       ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -D_POSIX_C_SOURCE"
+       ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME"
        test -z "$optimize" && optimize="-O3"
        usenm='undef'
        case "`uname -s`" in

==== //depot/perl/lib/File/Copy.pm#29 (text) ====
Index: perl/lib/File/Copy.pm
--- perl/lib/File/Copy.pm#28~16142~     Wed Apr 24 11:30:14 2002
+++ perl/lib/File/Copy.pm       Tue Dec 10 13:30:10 2002
@@ -37,7 +37,7 @@
 if ($^O eq 'MacOS') {
        $macfiles = eval { require Mac::MoreFiles };
        warn 'Mac::MoreFiles could not be loaded; using non-native syscopy'
-               if $^W;
+               if $@ && $^W;
 }
 
 sub _catname {

==== //depot/perl/lib/utf8_heavy.pl#41 (text) ====
Index: perl/lib/utf8_heavy.pl
--- perl/lib/utf8_heavy.pl#40~18035~    Sun Oct 20 06:39:09 2002
+++ perl/lib/utf8_heavy.pl      Tue Dec 10 13:30:10 2002
@@ -11,7 +11,8 @@
 sub croak { require Carp; Carp::croak(@_) }
 
 ##
-## "SWASH" == "SWATCH HASH". A "swatch" is a swatch of the Unicode landscape
+## "SWASH" == "SWATCH HASH". A "swatch" is a swatch of the Unicode landscape.
+## It's a data structure that encodes a set of Unicode characters.
 ##
 
 sub SWASHNEW {
@@ -87,10 +88,10 @@
            ## It could be a user-defined property.
            ##
 
-           my $caller = caller(1);
+           my $caller1 = caller(1);
 
-           if (defined $caller && $type =~ /^(?:\w+)$/) {
-               my $prop = $caller . "::" . ( $wasIs ? "Is" : "" ) . $type;
+           if (defined $caller1 && $type =~ /^(?:\w+)$/) {
+               my $prop = $caller1 . "::" . ( $wasIs ? "Is" : "" ) . $type;
                if (exists &{$prop}) {
                    no strict 'refs';
                    
@@ -99,10 +100,29 @@
                }
            }
 
+           ##
+           ## See if it's a user-level "To".
+           ##
+
+           my $caller0 = caller(0);
+
+           if (defined $caller0 && $type =~ /^To(?:\w+)$/) {
+               my $map = $caller0 . "::" . $type;
+               if (exists &{$map}) {
+                   no strict 'refs';
+                   
+                   $list = &{$map};
+                   last GETFILE;
+               }
+           }
+
             ##
-            ## Last attempt -- see if it's a "To" name (e.g. "ToLower")
+            ## Last attempt -- see if it's a standard "To" name
+           ## (e.g. "ToLower")  ToTitle is used by ucfirst().
+           ## The user-level way to access ToDigit() and ToFold()
+           ## is to use Unicode::UCD.
             ##
-            if ($type =~ /^To([A-Z][A-Za-z]+)$/)
+            if ($type =~ /^To(Digit|Fold|Lower|Title|Upper)$/)
             {
                 $file = "unicore/To/$1.pl";
                 ## would like to test to see if $file actually exists....
@@ -122,7 +142,7 @@
 
            ##
            ## If we reach here, it was due to a 'last GETFILE' above
-           ## (exception: user-defined properties), so we
+           ## (exception: user-defined properties and mappings), so we
            ## have a filename, so now we load it if we haven't already.
            ## If we have, return the cached results. The cache key is the
            ## file to load.
@@ -162,10 +182,10 @@
 
     if ($minbits < 32) {
        my $top = 0;
-       while ($list =~ /^([0-9a-fA-F]+)(?:\t([0-9a-fA-F]+)?)(?:\t([0-9a-fA-F]+))?/mg) 
{
+       while ($list =~ /^([0-9a-fA-F]+)(?:[\t]([0-9a-fA-F]+)?)(?:[ 
+\t]([0-9a-fA-F]+))?/mg) {
            my $min = hex $1;
-           my $max = hex(defined $2 ? $2 : $1);
-           my $val = hex(defined $3 ? $3 : "");
+           my $max = defined $2 ? hex $2 : $min;
+           my $val = defined $3 ? hex $3 : 0;
            $val += $max - $min if defined $3;
            $top = $val if $val > $top;
        }
@@ -239,10 +259,15 @@
        pos $_ = 0;
        if ($bits > 1) {
          LINE:
-           while (/^([0-9a-fA-F]+)(?:\t([0-9a-fA-F]+)?)(?:\t([0-9a-fA-F]+))?/mg) {
-               my $min = hex $1;
-               my $max = (defined $2 ? hex $2 : $min);
-               my $val = hex $3;
+           while (/^([0-9a-fA-F]+)(?:[ \t]([0-9a-fA-F]+)?)?(?:[ 
+\t]([0-9a-fA-F]+))?/mg) {
+               chomp;
+               my ($a, $b, $c) = ($1, $2, $3);
+               croak "$type: illegal mapping '$_'"
+                   if $type =~ /^To/ &&
+                      !(defined $a && defined $c);
+               my $min = hex $a;
+               my $max = defined $b ? hex $b : $min;
+               my $val = defined $c ? hex $c : 0;
                next if $max < $start;
                print "$min $max $val\n" if DEBUG;
                if ($none) {
@@ -273,8 +298,9 @@
        else {
          LINE:
            while (/^([0-9a-fA-F]+)(?:[ \t]+([0-9a-fA-F]+))?/mg) {
+               chomp;
                my $min = hex $1;
-               my $max = (defined $2 ? hex $2 : $min);
+               my $max = defined $2 ? hex $2 : $min;
                next if $max < $start;
                if ($min < $start) {
                    $min = $start;

==== //depot/perl/pod/perldiag.pod#325 (text) ====
Index: perl/pod/perldiag.pod
--- perl/pod/perldiag.pod#324~18260~    Sun Dec  8 12:14:57 2002
+++ perl/pod/perldiag.pod       Tue Dec 10 13:30:10 2002
@@ -3668,6 +3668,13 @@
 (F) Your version of the C library apparently doesn't do times().  I
 suspect you're not running on Unix.
 
+=item To%s: illegal mapping '%s'
+
+(F) You tried to define a customized To-mapping for lc(), lcfirst,
+uc(), or ucfirst() (or their string-inlined versions), but you
+specified an illegal mapping.
+See L<perlunicode/"User-Defined Character Properties">.
+
 =item Too few args to syscall
 
 (F) There has to be at least one argument to syscall() to specify the

==== //depot/perl/pod/perlguts.pod#111 (text) ====
Index: perl/pod/perlguts.pod
--- perl/pod/perlguts.pod#110~17742~    Tue Aug 20 07:51:16 2002
+++ perl/pod/perlguts.pod       Tue Dec 10 13:30:10 2002
@@ -2231,13 +2231,15 @@
 over. You're on your own about bounds checking, though, so don't use it
 lightly.
 
-All bytes in a multi-byte UTF8 character will have the high bit set, so
-you can test if you need to do something special with this character
-like this:
+All bytes in a multi-byte UTF8 character will have the high bit set,
+so you can test if you need to do something special with this
+character like this (the UTF8_IS_INVARIANT() is a macro that tests
+whether the byte can be encoded as a single byte even in UTF-8):
 
-    UV uv;
+    U8 *utf;
+    UV uv;     /* Note: a UV, not a U8, not a char */
 
-    if (utf & 0x80)
+    if (!UTF8_IS_INVARIANT(*utf))
         /* Must treat this as UTF8 */
         uv = utf8_to_uv(utf);
     else
@@ -2248,7 +2250,7 @@
 value of the character; the inverse function C<uv_to_utf8> is available
 for putting a UV into UTF8:
 
-    if (uv > 0x80)
+    if (!UTF8_IS_INVARIANT(uv))
         /* Must treat this as UTF8 */
         utf8 = uv_to_utf8(utf8, uv);
     else
@@ -2310,6 +2312,10 @@
 not it's dealing with UTF8 data, so that it can handle the string
 appropriately.
 
+Since just passing an SV to an XS function and copying the data of
+the SV is not enough to copy the UTF8 flags, even less right is just
+passing a C<char *> to an XS function.
+
 =head2 How do I convert a string to UTF8?
 
 If you're mixing UTF8 and non-UTF8 strings, you might find it necessary
@@ -2350,12 +2356,13 @@
 =item *
 
 If a string is UTF8, B<always> use C<utf8_to_uv> to get at the value,
-unless C<!(*s & 0x80)> in which case you can use C<*s>.
+unless C<UTF8_IS_INVARIANT(*s)> in which case you can use C<*s>.
 
 =item *
 
-When writing to a UTF8 string, B<always> use C<uv_to_utf8>, unless
-C<uv < 0x80> in which case you can use C<*s = uv>.
+When writing a character C<uv> to a UTF8 string, B<always> use
+C<uv_to_utf8>, unless C<UTF8_IS_INVARIANT(uv))> in which case
+you can use C<*s = uv>.
 
 =item *
 

==== //depot/perl/pod/perlsec.pod#26 (text) ====
Index: perl/pod/perlsec.pod
--- perl/pod/perlsec.pod#25~17720~      Mon Aug 12 05:10:07 2002
+++ perl/pod/perlsec.pod        Tue Dec 10 13:30:10 2002
@@ -164,7 +164,7 @@
     if ($data =~ /^([-\@\w.]+)$/) {
        $data = $1;                     # $data now untainted
     } else {
-       die "Bad data in $data";        # log this somewhere
+       die "Bad data in '$data'";      # log this somewhere
     }
 
 This is fairly secure because C</\w+/> doesn't normally match shell

==== //depot/perl/pod/perlunicode.pod#113 (text) ====
Index: perl/pod/perlunicode.pod
--- perl/pod/perlunicode.pod#112~18016~ Mon Oct 14 13:30:03 2002
+++ perl/pod/perlunicode.pod    Tue Dec 10 13:30:10 2002
@@ -616,10 +616,10 @@
 =head2 User-Defined Character Properties
 
 You can define your own character properties by defining subroutines
-whose names begin with "In" or "Is".  The subroutines must be
-visible in the package that uses the properties.  The user-defined
-properties can be used in the regular expression C<\p> and C<\P>
-constructs.
+whose names begin with "In" or "Is".  The subroutines must be defined
+in the C<main> package.  The user-defined properties can be used in the
+regular expression C<\p> and C<\P> constructs.  Note that the effect
+is compile-time and immutable once defined.
 
 The subroutines must return a specially-formatted string, with one
 or more newline-separated lines.  Each line must be one of the following:
@@ -698,6 +698,56 @@
     END
     }
 
+You can also define your own mappings to be used in the lc(),
+lcfirst(), uc(), and ucfirst() (or their string-inlined versions).
+The principle is the same: define subroutines in the C<main> package
+with names like C<ToLower> (for lc() and lcfirst()), C<ToTitle> (for
+the first character in ucfirst()), and C<ToUpper> (for uc(), and the
+rest of the characters in ucfirst()).
+
+The string returned by the subroutines needs now to be three
+hexadecimal numbers separated by tabulators: start of the source
+range, end of the source range, and start of the destination range.
+For example:
+
+    sub ToUpper {
+       return <<END;
+    0061\t0063\t0041
+    END
+    }
+
+defines an uc() mapping that causes only the characters "a", "b", and
+"c" to be mapped to "A", "B", "C", all other characters will remain
+unchanged.
+
+If there is no source range to speak of, that is, the mapping is from
+a single character to another single character, leave the end of the
+source range empty, but the two tabulator characters are still needed.
+For example:
+
+    sub ToLower {
+       return <<END;
+    0041\t\t0061
+    END
+    }
+
+defines a lc() mapping that causes only "A" to be mapped to "a", all
+other characters will remain unchanged.
+
+(For serious hackers only)  If you want to introspect the default
+mappings, you can find the data in the directory
+C<$Config{privlib}>/F<unicore/To/>.  The mapping data is returned as
+the here-document, and the C<utf8::ToSpecFoo> are special exception
+mappings derived from <$Config{privlib}>/F<unicore/SpecialCasing.txt>.
+The C<Digit> and C<Fold> mappings that one can see in the directory
+are not directly user-accessible, one can use either the
+C<Unicode::UCD> module, or just match case-insensitively (that's when
+the C<Fold> mapping is used).
+
+A final note on the user-defined property tests and mappings: they
+will be used only if the scalar has been marked as having Unicode
+characters.  Old byte-style strings will not be affected.
+
 =head2 Character Encodings for Input and Output
 
 See L<Encode>.
@@ -1015,8 +1065,10 @@
 
 =head2 Using Unicode in XS
 
-If you want to handle Perl Unicode in XS extensions, you may find
-the following C APIs useful.  See L<perlapi> for details.
+If you want to handle Perl Unicode in XS extensions, you may find the
+following C APIs useful.  See also L<perlguts/"Unicode Support"> for an
+explanation about Unicode at the XS level, and L<perlapi> for the API
+details.
 
 =over 4
 

==== //depot/perl/pp.c#361 (text) ====
Index: perl/pp.c
--- perl/pp.c#360~18109~        Tue Nov  5 05:03:34 2002
+++ perl/pp.c   Tue Dec 10 13:30:10 2002
@@ -3324,7 +3324,9 @@
     STRLEN slen;
 
     SvGETMAGIC(sv);
-    if (DO_UTF8(sv) && (s = (U8*)SvPV_nomg(sv, slen)) && slen && UTF8_IS_START(*s)) {
+    if (DO_UTF8(sv) &&
+       (s = (U8*)SvPV_nomg(sv, slen)) && slen &&
+       UTF8_IS_START(*s)) {
        U8 tmpbuf[UTF8_MAXLEN_UCLC+1];
        STRLEN ulen;
        STRLEN tculen;
@@ -3335,8 +3337,16 @@
 
        if (!SvPADTMP(sv) || SvREADONLY(sv)) {
            dTARGET;
+           /* slen is the byte length of the whole SV.
+            * ulen is the byte length of the original Unicode character
+            * stored as UTF-8 at s.
+            * tculen is the byte length of the freshly titlecased
+            * Unicode character stored as UTF-8 at tmpbuf.
+            * We first set the result to be the titlecased character,
+            * and then append the rest of the SV data. */
            sv_setpvn(TARG, (char*)tmpbuf, tculen);
-           sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
+           if (slen > ulen)
+               sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
            SvUTF8_on(TARG);
            SETs(TARG);
        }
@@ -3376,7 +3386,9 @@
     STRLEN slen;
 
     SvGETMAGIC(sv);
-    if (DO_UTF8(sv) && (s = (U8*)SvPV_nomg(sv, slen)) && slen && UTF8_IS_START(*s)) {
+    if (DO_UTF8(sv) &&
+       (s = (U8*)SvPV_nomg(sv, slen)) && slen &&
+       UTF8_IS_START(*s)) {
        STRLEN ulen;
        U8 tmpbuf[UTF8_MAXLEN_UCLC+1];
        U8 *tend;
@@ -3389,7 +3401,8 @@
        if (!SvPADTMP(sv) || (STRLEN)(tend - tmpbuf) != ulen || SvREADONLY(sv)) {
            dTARGET;
            sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf);
-           sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
+           if (slen > ulen)
+               sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
            SvUTF8_on(TARG);
            SETs(TARG);
        }

==== //depot/perl/t/op/lc.t#12 (text) ====
Index: perl/t/op/lc.t
--- perl/t/op/lc.t#11~18266~    Sun Dec  8 16:02:57 2002
+++ perl/t/op/lc.t      Tue Dec 10 13:30:10 2002
@@ -1,52 +1,39 @@
 #!./perl
 
-print "1..55\n";
-
-my $test = 1;
-
-sub ok {
-    if ($_[0]) {
-       if ($_[1]) {
-           print "ok $test - $_[1]\n";
-       } else {
-           print "ok $test\n";
-       }
-    } else {
-       if ($_[1]) {
-           print "not ok $test - $_[1]\n";
-       } else {
-           print "not ok $test\n";
-       }
-    }
-    $test++;
+BEGIN {
+    chdir 't';
+    @INC = '../lib';
+    require './test.pl';
 }
 
+plan tests => 59;
+
 $a = "HELLO.* world";
 $b = "hello.* WORLD";
 
-ok("\Q$a\E."      eq "HELLO\\.\\*\\ world.", '\Q\E HELLO.* world');
-ok("\u$a"         eq "HELLO\.\* world",      '\u');
-ok("\l$a"         eq "hELLO\.\* world",      '\l');
-ok("\U$a"         eq "HELLO\.\* WORLD",      '\U');
-ok("\L$a"         eq "hello\.\* world",      '\L');
-
-ok(quotemeta($a)  eq "HELLO\\.\\*\\ world",  'quotemeta');
-ok(ucfirst($a)    eq "HELLO\.\* world",      'ucfirst');
-ok(lcfirst($a)    eq "hELLO\.\* world",      'lcfirst');
-ok(uc($a)         eq "HELLO\.\* WORLD",      'uc');
-ok(lc($a)         eq "hello\.\* world",      'lc');
-
-ok("\Q$b\E."      eq "hello\\.\\*\\ WORLD.", '\Q\E hello.* WORLD');
-ok("\u$b"         eq "Hello\.\* WORLD",      '\u');
-ok("\l$b"         eq "hello\.\* WORLD",      '\l');
-ok("\U$b"         eq "HELLO\.\* WORLD",      '\U');
-ok("\L$b"         eq "hello\.\* world",      '\L');
-
-ok(quotemeta($b)  eq "hello\\.\\*\\ WORLD",  'quotemeta');
-ok(ucfirst($b)    eq "Hello\.\* WORLD",      'ucfirst');
-ok(lcfirst($b)    eq "hello\.\* WORLD",      'lcfirst');
-ok(uc($b)         eq "HELLO\.\* WORLD",      'uc');
-ok(lc($b)         eq "hello\.\* world",      'lc');
+is("\Q$a\E."      , "HELLO\\.\\*\\ world.", '\Q\E HELLO.* world');
+is("\u$a"         , "HELLO\.\* world",      '\u');
+is("\l$a"         , "hELLO\.\* world",      '\l');
+is("\U$a"         , "HELLO\.\* WORLD",      '\U');
+is("\L$a"         , "hello\.\* world",      '\L');
+
+is(quotemeta($a)  , "HELLO\\.\\*\\ world",  'quotemeta');
+is(ucfirst($a)    , "HELLO\.\* world",      'ucfirst');
+is(lcfirst($a)    , "hELLO\.\* world",      'lcfirst');
+is(uc($a)         , "HELLO\.\* WORLD",      'uc');
+is(lc($a)         , "hello\.\* world",      'lc');
+
+is("\Q$b\E."      , "hello\\.\\*\\ WORLD.", '\Q\E hello.* WORLD');
+is("\u$b"         , "Hello\.\* WORLD",      '\u');
+is("\l$b"         , "hello\.\* WORLD",      '\l');
+is("\U$b"         , "HELLO\.\* WORLD",      '\U');
+is("\L$b"         , "hello\.\* world",      '\L');
+
+is(quotemeta($b)  , "hello\\.\\*\\ WORLD",  'quotemeta');
+is(ucfirst($b)    , "Hello\.\* WORLD",      'ucfirst');
+is(lcfirst($b)    , "hello\.\* WORLD",      'lcfirst');
+is(uc($b)         , "HELLO\.\* WORLD",      'uc');
+is(lc($b)         , "hello\.\* world",      'lc');
 
 # \x{100} is LATIN CAPITAL LETTER A WITH MACRON; its bijective lowercase is
 # \x{101}, LATIN SMALL LETTER A WITH MACRON.
@@ -54,29 +41,29 @@
 $a = "\x{100}\x{101}Aa";
 $b = "\x{101}\x{100}aA";
 
-ok("\Q$a\E."      eq "\x{100}\x{101}Aa.", '\Q\E \x{100}\x{101}Aa');
-ok("\u$a"         eq "\x{100}\x{101}Aa",  '\u');
-ok("\l$a"         eq "\x{101}\x{101}Aa",  '\l');
-ok("\U$a"         eq "\x{100}\x{100}AA",  '\U');
-ok("\L$a"         eq "\x{101}\x{101}aa",  '\L');
-
-ok(quotemeta($a)  eq "\x{100}\x{101}Aa",  'quotemeta');
-ok(ucfirst($a)    eq "\x{100}\x{101}Aa",  'ucfirst');
-ok(lcfirst($a)    eq "\x{101}\x{101}Aa",  'lcfirst');
-ok(uc($a)         eq "\x{100}\x{100}AA",  'uc');
-ok(lc($a)         eq "\x{101}\x{101}aa",  'lc');
-
-ok("\Q$b\E."      eq "\x{101}\x{100}aA.", '\Q\E \x{101}\x{100}aA');
-ok("\u$b"         eq "\x{100}\x{100}aA",  '\u');
-ok("\l$b"         eq "\x{101}\x{100}aA",  '\l');
-ok("\U$b"         eq "\x{100}\x{100}AA",  '\U');
-ok("\L$b"         eq "\x{101}\x{101}aa",  '\L');
-
-ok(quotemeta($b)  eq "\x{101}\x{100}aA",  'quotemeta');
-ok(ucfirst($b)    eq "\x{100}\x{100}aA",  'ucfirst');
-ok(lcfirst($b)    eq "\x{101}\x{100}aA",  'lcfirst');
-ok(uc($b)         eq "\x{100}\x{100}AA",  'uc');
-ok(lc($b)         eq "\x{101}\x{101}aa",  'lc');
+is("\Q$a\E."      , "\x{100}\x{101}Aa.", '\Q\E \x{100}\x{101}Aa');
+is("\u$a"         , "\x{100}\x{101}Aa",  '\u');
+is("\l$a"         , "\x{101}\x{101}Aa",  '\l');
+is("\U$a"         , "\x{100}\x{100}AA",  '\U');
+is("\L$a"         , "\x{101}\x{101}aa",  '\L');
+
+is(quotemeta($a)  , "\x{100}\x{101}Aa",  'quotemeta');
+is(ucfirst($a)    , "\x{100}\x{101}Aa",  'ucfirst');
+is(lcfirst($a)    , "\x{101}\x{101}Aa",  'lcfirst');
+is(uc($a)         , "\x{100}\x{100}AA",  'uc');
+is(lc($a)         , "\x{101}\x{101}aa",  'lc');
+
+is("\Q$b\E."      , "\x{101}\x{100}aA.", '\Q\E \x{101}\x{100}aA');
+is("\u$b"         , "\x{100}\x{100}aA",  '\u');
+is("\l$b"         , "\x{101}\x{100}aA",  '\l');
+is("\U$b"         , "\x{100}\x{100}AA",  '\U');
+is("\L$b"         , "\x{101}\x{101}aa",  '\L');
+
+is(quotemeta($b)  , "\x{101}\x{100}aA",  'quotemeta');
+is(ucfirst($b)    , "\x{100}\x{100}aA",  'ucfirst');
+is(lcfirst($b)    , "\x{101}\x{100}aA",  'lcfirst');
+is(uc($b)         , "\x{100}\x{100}AA",  'uc');
+is(lc($b)         , "\x{101}\x{101}aa",  'lc');
 
 # \x{DF} is LATIN SMALL LETTER SHARP S, its uppercase is SS or \x{53}\x{53};
 # \x{149} is LATIN SMALL LETTER N PRECEDED BY APOSTROPHE, its uppercase is
@@ -86,26 +73,26 @@
 # and it's uppercase is \x{178}, LATIN CAPITAL LETTER Y WITH DIAERESIS.
 
 if (ord("A") == 193) { # EBCDIC
-    ok("\U\x{DF}aB\x{149}cD" eq "\x{178}AB\x{2BC}NCD",
+    is("\U\x{DF}aB\x{149}cD" , "\x{178}AB\x{2BC}NCD",
        "multicharacter uppercase");
 } elsif (ord("A") == 65) {
-    ok("\U\x{DF}aB\x{149}cD" eq "SSAB\x{2BC}NCD",
+    is("\U\x{DF}aB\x{149}cD" , "SSAB\x{2BC}NCD",
        "multicharacter uppercase");
 } else {
-    ok(0, "what is your encoding?");
+    fail("what is your encoding?");
 }
 
 # The \x{DF} is its own lowercase, ditto for \x{149}.
 # There are no single character -> multiple characters lowercase mappings.
 
 if (ord("A") == 193) { # EBCDIC
-    ok("\LaB\x{149}cD" eq "ab\x{149}cd",
+    is("\LaB\x{149}cD" , "ab\x{149}cd",
        "multicharacter lowercase");
 } elsif (ord("A") == 65) {
-    ok("\L\x{DF}aB\x{149}cD" eq "\x{DF}ab\x{149}cd",
+    is("\L\x{DF}aB\x{149}cD" , "\x{DF}ab\x{149}cd",
        "multicharacter lowercase");
 } else {
-    ok(0, "what is your encoding?");
+    fail("what is your encoding?");
 }
 
 # titlecase is used for \u / ucfirst.
@@ -119,35 +106,55 @@
 
 $a = "\x{587}";
 
-ok("\L\x{587}" eq "\x{587}",        "ligature lowercase");
-ok("\u\x{587}" eq "\x{535}\x{582}", "ligature titlecase");
-ok("\U\x{587}" eq "\x{535}\x{552}", "ligature uppercase");
+is("\L\x{587}" , "\x{587}",        "ligature lowercase");
+is("\u\x{587}" , "\x{535}\x{582}", "ligature titlecase");
+is("\U\x{587}" , "\x{535}\x{552}", "ligature uppercase");
 
 # mktables had problems where many-to-one case mappings didn't work right.
 # The lib/unifold.t should give the fourth folding, "casefolding", a good
 # workout.
 
-ok(lc("\x{1C4}") eq "\x{1C6}",      "U+01C4 lc is U+01C6");
-ok(lc("\x{1C5}") eq "\x{1C6}",      "U+01C5 lc is U+01C6, too");
+is(lc("\x{1C4}") , "\x{1C6}",      "U+01C4 lc is U+01C6");
+is(lc("\x{1C5}") , "\x{1C6}",      "U+01C5 lc is U+01C6, too");
 
-ok(ucfirst("\x{3C2}") eq "\x{3A3}", "U+03C2 ucfirst is U+03A3");
-ok(ucfirst("\x{3C3}") eq "\x{3A3}", "U+03C3 ucfirst is U+03A3, too");
+is(ucfirst("\x{3C2}") , "\x{3A3}", "U+03C2 ucfirst is U+03A3");
+is(ucfirst("\x{3C3}") , "\x{3A3}", "U+03C3 ucfirst is U+03A3, too");
 
-ok(uc("\x{1C5}") eq "\x{1C4}",      "U+01C5 uc is U+01C4");
-ok(uc("\x{1C6}") eq "\x{1C4}",      "U+01C6 uc is U+01C4, too");
+is(uc("\x{1C5}") , "\x{1C4}",      "U+01C5 uc is U+01C4");
+is(uc("\x{1C6}") , "\x{1C4}",      "U+01C6 uc is U+01C4, too");
 
 # #18107: A host of bugs involving [ul]c{,first}. AMS 20021106
 $a = "\x{3c3}foo.bar"; # \x{3c3} == GREEK SMALL LETTER SIGMA.
 $b = "\x{3a3}FOO.BAR"; # \x{3a3} == GREEK CAPITAL LETTER SIGMA.
 
 ($c = $b) =~ s/(\w+)/lc($1)/ge;
-ok($c eq $a, "Using s///e to change case.");
+is($c , $a, "Using s///e to change case.");
 
 ($c = $a) =~ s/(\w+)/uc($1)/ge;
-ok($c eq $b, "Using s///e to change case.");
+is($c , $b, "Using s///e to change case.");
 
 ($c = $b) =~ s/(\w+)/lcfirst($1)/ge;
-ok($c eq "\x{3c3}FOO.bAR", "Using s///e to change case.");
+is($c , "\x{3c3}FOO.bAR", "Using s///e to change case.");
 
 ($c = $a) =~ s/(\w+)/ucfirst($1)/ge;
-ok($c eq "\x{3a3}foo.Bar", "Using s///e to change case.");
+is($c , "\x{3a3}foo.Bar", "Using s///e to change case.");
+
+# #18931: perl5.8.0 bug in \U..\E processing
+# Test case from Nick Clark.
+for my $a (0,1) {
+    $_ = 'abcdefgh';
+    $_ .= chr 256;
+    chop;
+    /(.*)/;
+    is(uc($1), "ABCDEFGH", "[perl #18931]");
+}
+
+{
+    foreach (0, 1) {
+       $a = v10.v257;
+       chop $a;
+       $a =~ s/^(\s*)(\w*)/$1\u$2/;
+       is($a, v10, "[perl #18857]");
+       $test++;
+    } 
+}

==== //depot/perl/t/op/lc_user.t#1 (text) ====
Index: perl/t/op/lc_user.t
--- /dev/null   Tue May  5 13:32:27 1998
+++ perl/t/op/lc_user.t Tue Dec 10 13:30:10 2002
@@ -0,0 +1,26 @@
+BEGIN {
+    chdir 't';
+    @INC = '../lib';
+    require './test.pl';
+}
+
+plan tests => 4;
+
+sub ToUpper {
+    return <<END;
+0061   0063    0041
+END
+}
+
+is("\Ufoo\x{101}", "foo\x{101}", "no changes on 'foo'");
+is("\Ubar\x{101}", "BAr\x{101}", "changing 'ab' on 'bar' ");
+
+sub ToLower {
+    return <<END;
+0041           0061
+END
+}
+
+is("\LFOO\x{100}", "FOO\x{100}", "no changes on 'FOO'");
+is("\LBAR\x{100}", "BaR\x{100}", "changing 'A' on 'BAR' ");
+

==== //depot/perl/t/op/pat.t#184 (xtext) ====
Index: perl/t/op/pat.t
--- perl/t/op/pat.t#183~18179~  Sun Nov 24 19:06:44 2002
+++ perl/t/op/pat.t     Tue Dec 10 13:30:10 2002
@@ -2996,7 +2996,8 @@
 print "\x{072F}" =~ /\P{Syriac1}/ ? "ok $test\n" : "not ok $test\n"; $test++;
 
 {
-    # Change #18179: previously failed with "panic: end_shift"
+    print "# Change #18179\n";
+    # previously failed with "panic: end_shift
     my $s = "\x{100}" x 5;
     my $ok = $s =~ /(\x{100}{4})/;
     my($ord, $len) = (ord $1, length $1);

==== //depot/perl/t/op/split.t#29 (xtext) ====
Index: perl/t/op/split.t
--- perl/t/op/split.t#28~18085~ Mon Nov  4 04:17:12 2002
+++ perl/t/op/split.t   Tue Dec 10 13:30:10 2002
@@ -3,9 +3,10 @@
 BEGIN {
     chdir 't' if -d 't';
     @INC = '../lib';
+    require './test.pl';
 }
 
-print "1..47\n";
+plan tests => 49;
 
 $FS = ':';
 
@@ -13,41 +14,40 @@
 
 ($a,$b,$c) = split($FS,$_);
 
-if (join(';',$a,$b,$c) eq 'a;b;c') {print "ok 1\n";} else {print "not ok 1\n";}
+is(join(';',$a,$b,$c), 'a;b;c');
 
 @ary = split(/:b:/);
-if (join("$_",@ary) eq 'aa:b:cc') {print "ok 2\n";} else {print "not ok 2\n";}
+is(join("$_",@ary), 'aa:b:cc');
 
 $_ = "abc\n";
 my @xyz = (@ary = split(//));
-if (join(".",@ary) eq "a.b.c.\n") {print "ok 3\n";} else {print "not ok 3\n";}
+is(join(".",@ary), "a.b.c.\n");
 
 $_ = "a:b:c::::";
 @ary = split(/:/);
-if (join(".",@ary) eq "a.b.c") {print "ok 4\n";} else {print "not ok 4\n";}
+is(join(".",@ary), "a.b.c");
 
 $_ = join(':',split(' ',"    a b\tc \t d "));
-if ($_ eq 'a:b:c:d') {print "ok 5\n";} else {print "not ok 5 #$_#\n";}
+is($_, 'a:b:c:d');
 
 $_ = join(':',split(/ */,"foo  bar bie\tdoll"));
-if ($_ eq "f:o:o:b:a:r:b:i:e:\t:d:o:l:l")
-       {print "ok 6\n";} else {print "not ok 6\n";}
+is($_ , "f:o:o:b:a:r:b:i:e:\t:d:o:l:l");
 
 $_ = join(':', 'foo', split(/ /,'a b  c'), 'bar');
-if ($_ eq "foo:a:b::c:bar") {print "ok 7\n";} else {print "not ok 7 $_\n";}
+is($_, "foo:a:b::c:bar");
 
 # Can we say how many fields to split to?
 $_ = join(':', split(' ','1 2 3 4 5 6', 3));
-print $_ eq '1:2:3 4 5 6' ? "ok 8\n" : "not ok 8 $_\n";
+is($_, '1:2:3 4 5 6');
 
 # Can we do it as a variable?
 $x = 4;
 $_ = join(':', split(' ','1 2 3 4 5 6', $x));
-print $_ eq '1:2:3:4 5 6' ? "ok 9\n" : "not ok 9 $_\n";
+is($_, '1:2:3:4 5 6');
 
 # Does the 999 suppress null field chopping?
 $_ = join(':', split(/:/,'1:2:3:4:5:6:::', 999));
-print $_ eq '1:2:3:4:5:6:::' ? "ok 10\n" : "not ok 10 $_\n";
+is($_ , '1:2:3:4:5:6:::');
 
 # Does assignment to a list imply split to one more field than that?
 if ($^O eq 'MSWin32') { $foo = `.\\perl -D1024 -e "(\$a,\$b) = split;" 2>&1` }
@@ -55,123 +55,115 @@
 elsif ($^O eq 'VMS')  { $foo = `./perl "-D1024" -e "(\$a,\$b) = split;" 2>&1` }
 elsif ($^O eq 'MacOS'){ $foo = `$^X "-D1024" -e "(\$a,\$b) = split;"` }
 else                  { $foo = `./perl -D1024 -e '(\$a,\$b) = split;' 2>&1` }
-print $foo =~ /DEBUGGING/ || $foo =~ /SV = (VOID|IV\(3\))/ ? "ok 11\n" : "not ok 
11\n";
+ok($foo =~ /DEBUGGING/ || $foo =~ /SV = (VOID|IV\(3\))/);
 
 # Can we say how many fields to split to when assigning to a list?
 ($a,$b) = split(' ','1 2 3 4 5 6', 2);
 $_ = join(':',$a,$b);
-print $_ eq '1:2 3 4 5 6' ? "ok 12\n" : "not ok 12 $_\n";
+is($_, '1:2 3 4 5 6');
 
 # do subpatterns generate additional fields (without trailing nulls)?
 $_ = join '|', split(/,|(-)/, "1-10,20,,,");
-print $_ eq "1|-|10||20" ? "ok 13\n" : "not ok 13\n";
+is($_, "1|-|10||20");
 
 # do subpatterns generate additional fields (with a limit)?
 $_ = join '|', split(/,|(-)/, "1-10,20,,,", 10);
-print $_ eq "1|-|10||20||||||" ? "ok 14\n" : "not ok 14\n";
+is($_, "1|-|10||20||||||");
 
 # is the 'two undefs' bug fixed?
 (undef, $a, undef, $b) = qw(1 2 3 4);
-print "$a|$b" eq "2|4" ? "ok 15\n" : "not ok 15\n";
+is("$a|$b", "2|4");
 
 # .. even for locals?
 {
   local(undef, $a, undef, $b) = qw(1 2 3 4);
-  print "$a|$b" eq "2|4" ? "ok 16\n" : "not ok 16\n";
+  is("$a|$b", "2|4");
 }
 
 # check splitting of null string
 $_ = join('|', split(/x/,   '',-1), 'Z');
-print $_ eq "Z" ? "ok 17\n" : "#$_\nnot ok 17\n";
+is($_, "Z");
 
 $_ = join('|', split(/x/,   '', 1), 'Z');
-print $_ eq "Z" ? "ok 18\n" : "#$_\nnot ok 18\n";
+is($_, "Z");
 
 $_ = join('|', split(/(p+)/,'',-1), 'Z');
-print $_ eq "Z" ? "ok 19\n" : "#$_\nnot ok 19\n";
+is($_, "Z");
 
 $_ = join('|', split(/.?/,  '',-1), 'Z');
-print $_ eq "Z" ? "ok 20\n" : "#$_\nnot ok 20\n";
+is($_, "Z");
 
 
 # Are /^/m patterns scanned?
 $_ = join '|', split(/^a/m, "a b a\na d a", 20);
-print $_ eq "| b a\n| d a" ? "ok 21\n" : "not ok 21\n# `$_'\n";
+is($_, "| b a\n| d a");
 
 # Are /$/m patterns scanned?
 $_ = join '|', split(/a$/m, "a b a\na d a", 20);
-print $_ eq "a b |\na d |" ? "ok 22\n" : "not ok 22\n# `$_'\n";
+is($_, "a b |\na d |");
 
 # Are /^/m patterns scanned?
 $_ = join '|', split(/^aa/m, "aa b aa\naa d aa", 20);
-print $_ eq "| b aa\n| d aa" ? "ok 23\n" : "not ok 23\n# `$_'\n";
+is($_, "| b aa\n| d aa");
 
 # Are /$/m patterns scanned?
 $_ = join '|', split(/aa$/m, "aa b aa\naa d aa", 20);
-print $_ eq "aa b |\naa d |" ? "ok 24\n" : "not ok 24\n# `$_'\n";
+is($_, "aa b |\naa d |");
 
 # Greedyness:
 $_ = "a : b :c: d";
 @ary = split(/\s*:\s*/);
-if (($res = join(".",@ary)) eq "a.b.c.d") {print "ok 25\n";} else {print "not ok 
25\n# res=`$res' != `a.b.c.d'\n";}
+is(($res = join(".",@ary)), "a.b.c.d", $res);
 
 # use of match result as pattern (!)
-'p:q:r:s' eq join ':', split('abc' =~ /b/, 'p1q1r1s') or print "not ";
-print "ok 26\n";
+is('p:q:r:s', join ':', split('abc' =~ /b/, 'p1q1r1s'));
 
 # /^/ treated as /^/m
 $_ = join ':', split /^/, "ab\ncd\nef\n";
-print "not " if $_ ne "ab\n:cd\n:ef\n";
-print "ok 27\n";
+is($_, "ab\n:cd\n:ef\n");
 
 # see if @a = @b = split(...) optimization works
 @list1 = @list2 = split ('p',"a p b c p");
-print "not " if @list1 != @list2 or "@list1" ne "@list2"
-             or @list1 != 2 or "@list1" ne "a   b c ";
-print "ok 28\n";
+ok(@list1 == @list2 &&
+   "@list1" eq "@list2" &&
+   @list1 == 2 &&
+   "@list1" eq "a   b c ");
 
 # zero-width assertion
 $_ = join ':', split /(?=\w)/, "rm b";
-print "not" if $_ ne "r:m :b";
-print "ok 29\n";
+is($_, "r:m :b");
 
 # unicode splittage
 
 @ary = map {ord} split //, v1.20.300.4000.50000.4000.300.20.1;
-print "not " unless "@ary" eq "1 20 300 4000 50000 4000 300 20 1";
-print "ok 30\n";
+is("@ary", "1 20 300 4000 50000 4000 300 20 1");
 
 @ary = split(/\x{FE}/, "\x{FF}\x{FE}\x{FD}"); # bug id 20010105.016
-print "not " unless @ary == 2 &&
-                    $ary[0] eq "\xFF"   && $ary[1] eq "\xFD" &&
-                    $ary[0] eq "\x{FF}" && $ary[1] eq "\x{FD}";
-print "ok 31\n";
+ok(@ary == 2 &&
+   $ary[0] eq "\xFF"   && $ary[1] eq "\xFD" &&
+   $ary[0] eq "\x{FF}" && $ary[1] eq "\x{FD}");
 
 @ary = split(/(\x{FE}\xFE)/, "\xFF\x{FF}\xFE\x{FE}\xFD\x{FD}"); # variant of 31
-print "not " unless @ary == 3 &&
-                    $ary[0] eq "\xFF\xFF"     &&
-                    $ary[0] eq "\x{FF}\xFF"   &&
-                    $ary[0] eq "\x{FF}\x{FF}" &&
-                    $ary[1] eq "\xFE\xFE"     &&
-                    $ary[1] eq "\x{FE}\xFE"   &&
-                    $ary[1] eq "\x{FE}\x{FE}" &&
-                    $ary[2] eq "\xFD\xFD"     &&
-                    $ary[2] eq "\x{FD}\xFD"   &&
-                    $ary[2] eq "\x{FD}\x{FD}";
-print "ok 32\n";
-
+ok(@ary == 3 &&
+   $ary[0] eq "\xFF\xFF"     &&
+   $ary[0] eq "\x{FF}\xFF"   &&
+   $ary[0] eq "\x{FF}\x{FF}" &&
+   $ary[1] eq "\xFE\xFE"     &&
+   $ary[1] eq "\x{FE}\xFE"   &&
+   $ary[1] eq "\x{FE}\x{FE}" &&
+   $ary[2] eq "\xFD\xFD"     &&
+   $ary[2] eq "\x{FD}\xFD"   &&
+   $ary[2] eq "\x{FD}\x{FD}");
 
 {
     my @a = map ord, split(//, join("", map chr, (1234, 123, 2345)));
-    print "not " unless "@a" eq "1234 123 2345";
-    print "ok 33\n";
+    is("@a", "1234 123 2345");
 }
 
 {
     my $x = 'A';
     my @a = map ord, split(/$x/, join("", map chr, (1234, ord($x), 2345)));
-    print "not " unless "@a" eq "1234 2345";
-    print "ok 34\n";
+    is("@a", "1234 2345");
 }
 
 {
@@ -188,44 +180,40 @@
        $r = $r . " " . sprintf "U+%04X", ord($ch);
     }
 
-    print "not " unless $r eq " U+B36C U+5A8C U+FF5B U+5079 U+505B";
-    print "ok 35\n";
+    is($r, " U+B36C U+5A8C U+FF5B U+5079 U+505B");
 }
 
 {
     my $s = "\x20\x40\x{80}\x{100}\x{80}\x40\x20";
 
+  SKIP: {
     if (ord('A') == 193) {
-       print "ok 36 # Skip: EBCDIC\n";
+       skip("EBCDIC", 1);
     } else {
        # bug id 20000426.003
 
-
        my ($a, $b, $c) = split(/\x40/, $s);
-       print "not "
-           unless $a eq "\x20" && $b eq "\x{80}\x{100}\x{80}" && $c eq $a;
-       print "ok 36\n";
+       ok($a eq "\x20" && $b eq "\x{80}\x{100}\x{80}" && $c eq $a);
     }
+  }
 
     my ($a, $b) = split(/\x{100}/, $s);
-    print "not " unless $a eq "\x20\x40\x{80}" && $b eq "\x{80}\x40\x20";
-    print "ok 37\n";
+    ok($a eq "\x20\x40\x{80}" && $b eq "\x{80}\x40\x20");
 
     my ($a, $b) = split(/\x{80}\x{100}\x{80}/, $s);
-    print "not " unless $a eq "\x20\x40" && $b eq "\x40\x20";
-    print "ok 38\n";
+    ok($a eq "\x20\x40" && $b eq "\x40\x20");
 
+  SKIP: {
     if (ord('A') == 193) {
-       print "ok 39 # Skip: EBCDIC\n";
+       skip("EBCDIC", 1);
     }  else {
        my ($a, $b) = split(/\x40\x{80}/, $s);
-       print "not " unless $a eq "\x20" && $b eq "\x{100}\x{80}\x40\x20";
-       print "ok 39\n";
+       ok($a eq "\x20" && $b eq "\x{100}\x{80}\x40\x20");
     }
+  }
 
     my ($a, $b, $c) = split(/[\x40\x{80}]+/, $s);
-    print "not " unless $a eq "\x20" && $b eq "\x{100}" && $c eq "\x20";
-    print "ok 40\n";
+    ok($a eq "\x20" && $b eq "\x{100}" && $c eq "\x20");
 }
 
 {
@@ -235,22 +223,18 @@
 
     my @b = split( //, $a );
 
-    print "not " unless @b == 4;
-    print "ok 41\n";
+    is(scalar @b, 4);
 
-    print "not " unless length($b[3]) == 1 && $b[3] eq "\x{263A}";
-    print "ok 42\n";
+    ok(length($b[3]) == 1 && $b[3] eq "\x{263A}");
 
     $a =~ s/^A/Z/;
-    print "not " unless length($a) == 4 && $a eq "ZBC\x{263A}";
-    print "ok 43\n";
+    ok(length($a) == 4 && $a eq "ZBC\x{263A}");
 }
 
 {
     my @a = split(/\xFE/, "\xFF\xFE\xFD");
 
-    print "not " unless @a == 2 && $a[0] eq "\xFF" && $a[1] eq "\xFD";
-    print "ok 44\n";
+    ok(@a == 2 && $a[0] eq "\xFF" && $a[1] eq "\xFD");
 }
 
 {
@@ -260,19 +244,14 @@
     foreach my $pat ( qr/\s+/, qr/ll/ ) {
        $r = join ':' => split($pat, "hello cruel world");
     }
-    print "not " unless $r eq "he:o cruel world";
-    print "ok 45\n";
+    is($r, "he:o cruel world");
 }
 
 
 {
     # split /(A)|B/, "1B2" should return (1, undef, 2)
     my @x = split /(A)|B/, "1B2";
-    print "not " unless
-      $x[0] eq '1' and
-      (not defined $x[1]) and
-      $x[2] eq '2';
-    print "ok 46\n";
+    ok($x[0] eq '1' and (not defined $x[1]) and $x[2] eq '2');
 }
 
 {
@@ -281,9 +260,19 @@
     local $SIG{__WARN__} = sub { $warn = join '', @_; chomp $warn };
     my $char = "\x{10f1ff}";
     my @a = split /\r?\n/, "$char\n";
-    if (@a == 1 && $a[0] eq $char && !defined($warn)) {
-       print "ok 47\n";
-    } else {
-       print "not ok 47\t# <@a> <$warn>\n";
+    ok(@a == 1 && $a[0] eq $char && !defined($warn));
+}
+
+{
+    # [perl #18195]
+    for my $a (0,1) {
+       $_ = 'readin,database,readout';
+       if ($ARGV[0])  {
+           $_ .= chr 256;
+           chop;
+       }
+       /(.+)/;
+       my @d = split /[,]/,$1;
+       is(join (':',@d), 'readin:database:readout', "[perl #18195]")
     }
 }

==== //depot/perl/t/uni/tr_utf8.t#3 (text) ====
Index: perl/t/uni/tr_utf8.t
--- perl/t/uni/tr_utf8.t#2~18175~       Sun Nov 24 18:20:48 2002
+++ perl/t/uni/tr_utf8.t        Tue Dec 10 13:30:10 2002
@@ -28,7 +28,7 @@
 
 use strict;
 #use Test::More qw(no_plan);
-use Test::More tests => 6;
+use Test::More tests => 7;
 
 use encoding 'utf8';
 
@@ -57,4 +57,11 @@
 is($str, $katakana, "s/// # hiragana -> katakana");
 $str = $katakana; $str =~ s/([ァ-ン])/$k2h{$1}/go;
 is($str, $hiragana, "s/// # hiragana -> katakana");
+
+{
+  # [perl 16843]
+  my $line = 'abcdefghijklmnopqrstuvwxyz$0123456789';
+  $line =~ 
+tr/bcdeghijklmnprstvwxyz$02578/בצדעגהיײקלמנפּרסטװשכיזשױתײחא/;
+  is($line, "aבצדעfגהיײקלמנoפqּרסuטװשכיזש1ױ34ת6ײח9", 
+"[perl #16843]");
+}
 __END__
End of Patch.

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