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diff --git a/t/uni/case.pl b/t/uni/case.pl
index f982b1d..b6df5a8 100644
--- a/t/uni/case.pl
+++ b/t/uni/case.pl
@@ -67,7 +67,55 @@ sub casetest {
 	my $c = pack "U0U", hex $i;
 	my $d = $func->($c);
 	my $e = unidump($d);
-	print $d eq $spec->{$i} ?
+	if (ord "A" == 193) { # EBCDIC
+	    # We need to a little bit of remapping.
+	    #
+	    # For example, in titlecase (ucfirst) mapping
+	    # of U+0149 the Unicode mapping is U+02BC U+004E.
+	    # The 4E is N, which in EBCDIC is 2B--
+	    # and the ucfirst() does that right.
+	    # The problem is that our reference
+	    # data is in Unicode code points.
+	    #
+	    # The Right Way here would be to use, say,
+	    # Encode, to remap the less-than 0x100 code points,
+	    # but let's try to be Encode-independent here. 
+	    #
+	    # These are the titlecase exceptions:
+	    #
+	    #         Unicode   Unicode+EBCDIC  
+	    #
+	    # 0149 -> 02BC 004E (02BC 002B)
+	    # 01F0 -> 004A 030C (00A2 030C)
+	    # 1E96 -> 0048 0331 (00E7 0331)
+	    # 1E97 -> 0054 0308 (00E8 0308)
+	    # 1E98 -> 0057 030A (00EF 030A)
+	    # 1E99 -> 0059 030A (00DF 030A)
+	    # 1E9A -> 0041 02BE (00A0 02BE)
+	    #
+	    # The uppercase exceptions are identical.
+	    #
+	    # The lowercase has one more:
+	    #
+	    #         Unicode   Unicode+EBCDIC  
+	    #
+	    # 0130 -> 0069 0307 (00D1 0307)
+	    #
+	    if ($i =~ /^(0130|0149|01F0|1E96|1E97|1E98|1E99|1E9A)$/) {
+		$e =~ s/004E/002B/; # N
+		$e =~ s/004A/00A2/; # J
+		$e =~ s/0048/00E7/; # H
+		$e =~ s/0054/00E8/; # T
+		$e =~ s/0057/00EF/; # W
+		$e =~ s/0059/00DF/; # Y
+		$e =~ s/0041/00A0/; # A
+		$e =~ s/0069/00D1/; # i
+	    }
+	    # We have to map the output, not the input, because
+	    # pack/unpack U has been EBCDICified, too, it would
+	    # just undo our remapping.
+	}
+	print $w eq $e ?
 	    "ok $test # $i -> $w\n" : "not ok $test # $i -> $e ($w)\n";
 	$test++;
     }