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# tr.t
print "1..4\n";
$_ = "abcdefghijklmnopqrstuvwxyz";
tr/a-z/A-Z/;
print "not " unless $_ eq "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
print "ok 1\n";
tr/A-Z/a-z/;
print "not " unless $_ eq "abcdefghijklmnopqrstuvwxyz";
print "ok 2\n";
tr/b-y/B-Y/;
print "not " unless $_ eq "aBCDEFGHIJKLMNOPQRSTUVWXYz";
print "ok 3\n";
# In EBCDIC 'I' is \xc9 and 'J' is \0xd1, 'i' is \x89 and 'j' is \x91.
# Yes, discontinuities. Regardless, the \xca in the below should stay
# untouched (and not became \x8a).
$_ = "I\xcaJ";
tr/I-J/i-j/;
print "not " unless $_ eq "i\xcaj";
print "ok 4\n";
#
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