5 $_ = "abcdefghijklmnopqrstuvwxyz";
9 print "not " unless $_ eq "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
14 print "not " unless $_ eq "abcdefghijklmnopqrstuvwxyz";
19 print "not " unless $_ eq "aBCDEFGHIJKLMNOPQRSTUVWXYz";
22 # In EBCDIC 'I' is \xc9 and 'J' is \0xd1, 'i' is \x89 and 'j' is \x91.
23 # Yes, discontinuities. Regardless, the \xca in the below should stay
24 # untouched (and not became \x8a).
31 print "not " unless $_ eq "i\xcaj";