<s>
Extended	B-Language
Binary	I-Language
Coded	I-Language
Decimal	I-Language
Interchange	I-Language
Code	I-Language
(	O
EBCDIC	B-Language
;	O
)	O
is	O
an	O
eight-bit	O
character	B-General_Concept
encoding	I-General_Concept
used	O
mainly	O
on	O
IBM	B-Device
mainframe	I-Device
and	O
IBM	B-Device
midrange	I-Device
computer	I-Device
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
It	O
descended	O
from	O
the	O
code	O
used	O
with	O
punched	B-Architecture
cards	I-Architecture
and	O
the	O
corresponding	O
six-bit	O
binary-coded	O
decimal	O
code	O
used	O
with	O
most	O
of	O
IBM	O
's	O
computer	B-Device
peripherals	I-Device
of	O
the	O
late	O
1950s	O
and	O
early	O
1960s	O
.	O
</s>
<s>
It	O
is	O
supported	O
by	O
various	O
non-IBM	O
platforms	O
,	O
such	O
as	O
Fujitsu-Siemens	O
'	O
BS2000/OSD	B-Application
,	O
OS-IV	O
,	O
MSP	O
,	O
and	O
MSP-EX	O
,	O
the	O
SDS	B-Device
Sigma	I-Device
series	I-Device
,	O
Unisys	O
VS/9	O
,	O
Unisys	O
MCP	B-Application
and	O
ICL	B-General_Concept
VME	I-General_Concept
.	O
</s>
<s>
EBCDIC	B-Language
was	O
devised	O
in	O
1963	O
and	O
1964	O
by	O
IBM	O
and	O
was	O
announced	O
with	O
the	O
release	O
of	O
the	O
IBM	B-Application
System/360	I-Application
line	O
of	O
mainframe	O
computers	O
.	O
</s>
<s>
It	O
is	O
an	O
eight-bit	O
character	B-General_Concept
encoding	I-General_Concept
,	O
developed	O
separately	O
from	O
the	O
seven-bit	B-Protocol
ASCII	I-Protocol
encoding	O
scheme	O
.	O
</s>
<s>
It	O
was	O
created	O
to	O
extend	O
the	O
existing	O
Binary-Coded	O
Decimal	O
(	O
BCD	O
)	O
Interchange	O
Code	O
,	O
or	O
BCDIC	O
,	O
which	O
itself	O
was	O
devised	O
as	O
an	O
efficient	O
means	O
of	O
encoding	O
the	O
two	O
zone	O
and	O
number	O
punches	O
on	O
punched	B-Architecture
cards	I-Architecture
into	O
six	O
bits	O
.	O
</s>
<s>
The	O
distinct	O
encoding	O
of	O
'	B-Language
s	I-Language
 '	I-Language
and	O
'	B-Language
S	I-Language
 '	I-Language
(	O
using	O
position	O
2	O
instead	O
of	O
1	O
)	O
was	O
maintained	O
from	O
punched	B-Architecture
cards	I-Architecture
where	O
it	O
was	O
desirable	O
not	O
to	O
have	O
hole	O
punches	O
too	O
close	O
to	O
each	O
other	O
to	O
ensure	O
the	O
integrity	O
of	O
the	O
physical	O
card	O
.	O
</s>
<s>
While	O
IBM	O
was	O
a	O
chief	O
proponent	O
of	O
the	O
ASCII	B-Protocol
standardization	O
committee	O
,	O
the	O
company	O
did	O
not	O
have	O
time	O
to	O
prepare	O
ASCII	B-Protocol
peripherals	B-Device
(	O
such	O
as	O
card	O
punch	O
machines	O
)	O
to	O
ship	O
with	O
its	O
System/360	B-Application
computers	O
,	O
so	O
the	O
company	O
settled	O
on	O
EBCDIC	B-Language
.	O
</s>
<s>
The	O
System/360	B-Application
became	O
wildly	O
successful	O
,	O
together	O
with	O
clones	O
such	O
as	O
RCA	B-Device
Spectra	I-Device
70	I-Device
,	O
ICL	B-Device
System	I-Device
4	I-Device
,	O
and	O
Fujitsu	O
FACOM	O
,	O
thus	O
so	O
did	O
EBCDIC	B-Language
.	O
</s>
<s>
All	O
IBM	O
's	O
mainframe	O
operating	B-General_Concept
systems	I-General_Concept
,	O
and	O
its	O
IBM	B-Application
i	I-Application
operating	B-General_Concept
system	I-General_Concept
for	O
midrange	B-Device
computers	I-Device
,	O
use	O
EBCDIC	B-Language
as	O
their	O
inherent	O
encoding	O
(	O
with	O
toleration	O
for	O
ASCII	B-Protocol
,	O
for	O
example	O
,	O
ISPF	B-Operating_System
in	O
z/OS	B-Application
can	O
browse	O
and	O
edit	O
both	O
EBCDIC	B-Language
and	O
ASCII	B-Protocol
encoded	O
files	O
)	O
.	O
</s>
<s>
Software	O
can	O
translate	O
to	O
and	O
from	O
encodings	O
,	O
and	O
modern	O
mainframes	O
(	O
such	O
as	O
IBM	B-Device
Z	I-Device
)	O
include	O
processor	O
instructions	O
,	O
at	O
the	O
hardware	O
level	O
,	O
to	O
accelerate	O
translation	O
between	O
character	B-General_Concept
sets	I-General_Concept
.	O
</s>
<s>
There	O
is	O
an	O
EBCDIC-oriented	O
Unicode	O
Transformation	O
Format	O
called	O
UTF-EBCDIC	O
proposed	O
by	O
the	O
Unicode	O
Consortium	O
,	O
designed	O
to	O
allow	O
easy	O
updating	O
of	O
EBCDIC	B-Language
software	O
to	O
handle	O
Unicode	O
,	O
but	O
not	O
intended	O
to	O
be	O
used	O
in	O
open	O
interchange	O
environments	O
.	O
</s>
<s>
Even	O
on	O
systems	O
with	O
extensive	O
EBCDIC	B-Language
support	O
,	O
it	O
has	O
not	O
been	O
popular	O
.	O
</s>
<s>
For	O
example	O
,	O
z/OS	B-Application
supports	O
Unicode	O
(	O
preferring	O
UTF-16	O
specifically	O
)	O
,	O
but	O
z/OS	B-Application
only	O
has	O
limited	O
support	O
for	O
UTF-EBCDIC	O
.	O
</s>
<s>
Not	O
all	O
operating	B-General_Concept
systems	I-General_Concept
running	O
on	O
IBM	O
hardware	O
use	O
EBCDIC	B-Language
;	O
IBM	B-Application
AIX	I-Application
,	O
Linux	B-Application
on	I-Application
IBM	I-Application
Z	I-Application
,	O
and	O
Linux	B-Application
on	I-Application
Power	I-Application
all	O
use	O
ASCII	B-Protocol
,	O
as	O
did	O
all	O
operating	B-General_Concept
systems	I-General_Concept
on	O
the	O
IBM	B-Device
Personal	I-Device
Computer	I-Device
and	O
its	O
successors	O
.	O
</s>
<s>
There	O
were	O
numerous	O
difficulties	O
to	O
writing	O
software	O
that	O
would	O
work	O
in	O
both	O
ASCII	B-Protocol
and	O
EBCDIC	B-Language
.	O
</s>
<s>
The	O
gaps	O
between	O
letters	O
made	O
simple	O
code	O
that	O
worked	O
in	O
ASCII	B-Protocol
fail	O
on	O
EBCDIC	B-Language
.	O
</s>
<s>
For	O
example	O
would	O
print	O
the	O
alphabet	O
from	O
A	O
to	O
Z	B-Language
if	O
ASCII	B-Protocol
is	O
used	O
,	O
but	O
print	O
41	O
characters	O
(	O
including	O
a	O
number	O
of	O
unassigned	O
ones	O
)	O
in	O
EBCDIC	B-Language
.	O
</s>
<s>
Sorting	O
EBCDIC	B-Language
put	O
lowercase	O
letters	O
before	O
uppercase	O
letters	O
and	O
letters	O
before	O
numbers	O
,	O
exactly	O
the	O
opposite	O
of	O
ASCII	B-Protocol
.	O
</s>
<s>
Most	O
programming	O
languages	O
and	O
file	O
formats	O
and	O
network	O
protocols	O
designed	O
for	O
ASCII	B-Protocol
used	O
available	O
punctuation	O
marks	O
(	O
such	O
as	O
the	O
curly	O
braces	O
and	O
)	O
that	O
did	O
not	O
exist	O
in	O
EBCDIC	B-Language
,	O
making	O
translation	O
to	O
EBCDIC	B-Language
systems	O
difficult	O
.	O
</s>
<s>
Workarounds	O
such	O
as	O
trigraphs	B-Language
were	O
used	O
.	O
</s>
<s>
Conversely	O
EBCDIC	B-Language
had	O
a	O
few	O
characters	O
such	O
as	O
(	O
US	O
cent	O
)	O
that	O
got	O
used	O
on	O
IBM	O
systems	O
and	O
could	O
not	O
be	O
translated	O
to	O
ASCII	B-Protocol
.	O
</s>
<s>
The	O
most	O
common	O
newline	O
convention	O
used	O
with	O
EBCDIC	B-Language
is	O
to	O
use	O
a	O
NEL	O
(	O
NEXT	O
LINE	O
)	O
code	O
between	O
lines	O
.	O
</s>
<s>
If	O
seven-bit	B-Protocol
ASCII	I-Protocol
was	O
used	O
,	O
there	O
was	O
an	O
"	O
unused	O
"	O
high	O
bit	O
in	O
8-bit	O
bytes	O
,	O
and	O
many	O
pieces	O
of	O
software	O
stored	O
other	O
information	O
there	O
.	O
</s>
<s>
Software	O
would	O
also	O
pack	O
the	O
seven	O
bits	O
and	O
discard	O
the	O
eighth	O
,	O
such	O
as	O
packing	O
five	O
seven-bit	B-Protocol
ASCII	I-Protocol
characters	O
in	O
a	O
36-bit	O
word	O
.	O
</s>
<s>
On	O
the	O
PDP-11	B-Device
bytes	O
with	O
the	O
high	O
bit	O
set	O
were	O
treated	O
as	O
negative	O
numbers	O
,	O
behavior	O
that	O
was	O
copied	O
to	O
C	B-Language
,	O
causing	O
unexpected	O
problems	O
if	O
the	O
high	O
bit	O
was	O
set	O
.	O
</s>
<s>
These	O
all	O
made	O
it	O
difficult	O
to	O
switch	O
from	O
ASCII	B-Protocol
to	O
the	O
8-bit	O
EBCDIC	B-Language
(	O
and	O
also	O
made	O
it	O
difficult	O
to	O
switch	O
to	O
8-bit	O
extended	B-Protocol
ASCII	I-Protocol
encodings	O
)	O
.	O
</s>
<s>
There	O
are	O
hundreds	O
of	O
EBCDIC	B-Language
code	O
pages	O
based	O
on	O
the	O
original	O
EBCDIC	B-Language
character	B-General_Concept
encoding	I-General_Concept
;	O
there	O
are	O
a	O
variety	O
of	O
EBCDIC	B-Language
code	O
pages	O
intended	O
for	O
use	O
in	O
different	O
parts	O
of	O
the	O
world	O
,	O
including	O
code	O
pages	O
for	O
non-Latin	O
scripts	O
such	O
as	O
Chinese	O
,	O
Japanese	O
(	O
e.g.	O
,	O
EBCDIC	B-Language
930	O
,	O
JEF	O
,	O
and	O
KEIS	O
)	O
,	O
Korean	O
,	O
and	O
Greek	O
(	O
EBCDIC	B-Language
875	O
)	O
.	O
</s>
<s>
The	O
table	O
below	O
shows	O
the	O
"	O
invariant	O
subset	O
"	O
of	O
EBCDIC	B-Language
,	O
which	O
are	O
characters	O
that	O
should	O
have	O
the	O
same	O
assignments	O
on	O
all	O
EBCDIC	B-Language
code	O
pages	O
that	O
use	O
the	O
Latin	O
alphabet	O
.	O
</s>
<s>
(	O
This	O
includes	O
most	O
of	O
the	O
ISO/IEC	O
646	O
invariant	O
repertoire	O
,	O
except	O
the	O
exclamation	O
mark	O
.	O
)	O
</s>
<s>
It	O
also	O
shows	O
(	O
in	O
gray	O
)	O
missing	O
ASCII	B-Protocol
and	O
EBCDIC	B-Language
punctuation	O
,	O
located	O
where	O
they	O
are	O
in	O
Code	B-Application
Page	I-Application
37	I-Application
(	O
one	O
of	O
the	O
code	O
page	O
variants	O
of	O
EBCDIC	B-Language
)	O
.	O
</s>
<s>
Like	O
ASCII	B-Protocol
,	O
the	O
invariant	O
subset	O
works	O
only	O
for	O
languages	O
using	O
the	O
ISO	B-General_Concept
basic	O
Latin	O
alphabet	O
,	O
such	O
as	O
English	O
(	O
excluding	O
loanwords	O
and	O
some	O
uncommon	O
orthographic	O
variations	O
)	O
.	O
</s>
<s>
Following	O
are	O
the	O
definitions	O
of	O
EBCDIC	B-Language
control	O
characters	O
which	O
either	O
do	O
not	O
map	O
onto	O
the	O
ASCII	B-Protocol
control	O
characters	O
,	O
or	O
have	O
additional	O
uses	O
.	O
</s>
<s>
When	O
mapped	O
to	O
Unicode	O
,	O
these	O
are	O
mostly	O
mapped	O
to	O
C1	O
control	O
character	O
codepoints	O
in	O
a	O
manner	O
specified	O
by	O
IBM	O
's	O
Character	B-General_Concept
Data	I-General_Concept
Representation	I-General_Concept
Architecture	I-General_Concept
(	O
CDRA	B-General_Concept
)	O
.	O
</s>
<s>
Although	O
the	O
default	O
mapping	O
of	O
New	O
Line	O
(	O
NL	O
)	O
corresponds	O
to	O
the	O
ISO/IEC	O
6429	O
Next	O
Line	O
(	O
NEL	O
)	O
character	O
(	O
the	O
behaviour	O
of	O
which	O
is	O
also	O
specified	O
,	O
but	O
not	O
required	O
,	O
in	O
Unicode	O
Annex	O
14	O
)	O
,	O
most	O
of	O
these	O
C1-mapped	O
controls	O
match	O
neither	O
those	O
in	O
the	O
ISO/IEC	O
6429	O
C1	O
set	O
,	O
nor	O
those	O
in	O
other	O
registered	O
C1	O
control	O
sets	O
such	O
as	O
ISO	B-General_Concept
6630	O
.	O
</s>
<s>
Although	O
this	O
effectively	O
makes	O
the	O
non-ASCII	O
EBCDIC	B-Language
controls	O
a	O
unique	O
C1	O
control	O
set	O
,	O
they	O
are	O
not	O
among	O
the	O
C1	O
control	O
sets	O
registered	O
in	O
the	O
ISO-IR	O
registry	O
,	O
meaning	O
that	O
they	O
do	O
not	O
have	O
an	O
assigned	O
control	O
set	O
designation	O
sequence	O
(	O
as	O
specified	O
by	O
ISO/IEC	O
2022	O
,	O
and	O
optionally	O
permitted	O
in	O
ISO/IEC	O
10646	O
(	O
Unicode	O
)	O
)	O
.	O
</s>
<s>
Besides	O
U+0085	O
(	O
Next	O
Line	O
)	O
,	O
the	O
Unicode	O
Standard	O
does	O
not	O
prescribe	O
an	O
interpretation	O
of	O
C1	O
control	O
characters	O
,	O
leaving	O
their	O
interpretation	O
to	O
higher	O
level	O
protocols	O
(	O
it	O
suggests	O
,	O
but	O
does	O
not	O
require	O
,	O
their	O
ISO/IEC	O
6429	O
interpretations	O
in	O
the	O
absence	O
of	O
use	O
for	O
other	O
purposes	O
)	O
,	O
so	O
this	O
mapping	O
is	O
permissible	O
in	O
,	O
but	O
not	O
specified	O
by	O
,	O
Unicode	O
.	O
</s>
<s>
Mnemonic	O
EBCDIC	B-Language
CDRA	B-General_Concept
pairing	O
Name	O
Description	O
SEL	O
04	O
009C	O
Select	O
Device	O
control	O
character	O
taking	O
a	O
single-byte	O
parameter	O
.	O
</s>
<s>
PF	O
Punch	O
Off	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
RNL	O
06	O
0086	O
Required	O
New	O
Line	O
Line-break	O
resetting	O
mode	O
LC	O
Lower	O
Case	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
GE	O
08	O
0097	O
Graphic	O
Escape	O
Non-locking	O
shift	O
that	O
changes	O
the	O
interpretation	O
of	O
the	O
following	O
character	O
(	O
see	O
e.g.	O
</s>
<s>
Code	B-Language
page	I-Language
310	I-Language
)	O
.	O
</s>
<s>
Compare	O
ISO/IEC	O
6429	O
's	O
(	O
008E	O
)	O
.	O
</s>
<s>
Compare	O
ISO/IEC	O
6429	O
's	O
(	O
008C	O
)	O
.	O
</s>
<s>
RPT	O
0A	O
008E	O
Repeat	O
Switch	O
to	O
an	O
operation	O
mode	O
repeating	O
a	O
print	O
buffer	O
SMM	O
Start	O
of	O
Manual	O
Message	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
Default	O
mapping	O
(	O
0085	O
)	O
matches	O
ISO/IEC	O
6429	O
's	O
.	O
</s>
<s>
Mappings	O
sometimes	O
swapped	O
with	O
Line	O
Feed	O
(	O
EBCDIC	B-Language
0x25	O
)	O
in	O
accordance	O
with	O
UNIX	O
line	O
breaking	O
convention	O
.	O
</s>
<s>
Contrast	O
with	O
ISO/IEC	O
6429	O
's	O
(	O
009B	O
)	O
,	O
(	O
009D	O
)	O
and	O
(	O
009F	O
)	O
.	O
</s>
<s>
IL	O
Idle	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
CC	O
Cursor	O
Control	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
IUS/ITB	O
1F	O
001F	O
Interchange	O
Unit	O
Separator	O
,	O
Intermediate	O
Transmission	O
Block	O
Either	O
used	O
as	O
an	O
information	O
separator	O
to	O
terminate	O
a	O
block	O
called	O
a	O
"	O
unit	O
"	O
(	O
as	O
in	O
ASCII	B-Protocol
;	O
see	O
also	O
)	O
,	O
or	O
used	O
as	O
a	O
transmission	O
control	O
code	O
to	O
delimit	O
the	O
end	O
of	O
an	O
intermediate	O
block	O
.	O
</s>
<s>
DS	B-Application
20	O
0080	O
Digit	O
Select	O
Used	O
by	O
S/360	B-Application
CPU	O
edit	O
(	O
ED	O
)	O
instruction	O
SOS	O
21	O
0081	O
Start	O
of	O
Significance	O
Used	O
by	O
S/360	B-Application
CPU	O
edit	O
(	O
ED	O
)	O
instruction	O
.	O
</s>
<s>
(	O
Note	O
:	O
different	O
from	O
ISO/IEC	O
6429	O
's	O
;	B-Device
where	O
distinguishing	O
them	O
is	O
necessary	O
,	O
IBM	O
abbreviates	O
Start	O
of	O
Significance	O
as	O
(	O
with	O
a	O
dot	O
)	O
and	O
Start	O
of	O
String	O
as	O
,	O
otherwise	O
they	O
are	O
abbreviated	O
the	O
same	O
.	O
)	O
</s>
<s>
FS	B-Language
,	O
FDS	O
22	O
0082	O
Field	O
Separator	O
Used	O
by	O
S/360	B-Application
CPU	O
edit	O
(	O
ED	O
)	O
instruction	O
.	O
</s>
<s>
(	O
Note	O
:	O
,	O
as	O
abbreviated	O
FS	B-Language
in	O
ASCII	B-Protocol
,	O
is	O
at	O
0x1C	O
and	O
abbreviated	O
IFS	O
.	O
)	O
</s>
<s>
Contrast	O
with	O
ISO/IEC	O
6429	O
's	O
SGR	O
.	O
</s>
<s>
BYP/INP	O
24	O
0084	O
Bypass	O
,	O
Inhibit	O
Presentation	O
De-activates	O
output	O
,	O
i.e.	O
</s>
<s>
CU2	O
2B	O
008B	O
Customer	O
Use	O
Two	O
This	O
appears	O
in	O
some	O
specifications	O
,	O
such	O
as	O
GOST	B-Algorithm
19768-93	O
;	O
newer	O
IBM	O
specifications	O
for	O
EBCDIC	B-Language
control	O
codes	O
list	O
only	O
CU1	O
and	O
CU3	O
as	O
customer-use	O
,	O
and	O
use	O
this	O
position	O
for	O
.	O
</s>
<s>
Contrast	O
with	O
ISO/IEC	O
6429	O
's	O
(	O
0090	O
)	O
and	O
(	O
009B	O
)	O
.	O
</s>
<s>
Contrast	O
with	O
ISO/IEC	O
6429	O
's	O
CUP	O
and	O
HVP	O
.	O
</s>
<s>
PN	O
Punch	O
On	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
RST	O
Reader	O
Stop	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
NBS	B-Language
36	O
0096	O
Numeric	O
Backspace	O
Move	O
backward	O
the	O
width	O
of	O
one	O
digit	O
.	O
</s>
<s>
UC	O
Upper	O
Case	O
Listed	O
in	O
this	O
location	O
by	O
GOST	B-Algorithm
19768-93	O
.	O
</s>
<s>
Compare	O
ISO/IEC	O
6429	O
's	O
(	O
008B	O
)	O
.	O
</s>
<s>
The	O
following	O
code	O
pages	O
have	O
the	O
full	O
Latin-1	O
character	B-General_Concept
set	I-General_Concept
(	O
ISO/IEC	O
8859-1	O
)	O
.	O
</s>
<s>
Different	O
countries	O
have	O
different	O
code	O
pages	O
because	O
these	O
code	O
pages	O
originated	O
as	O
code	O
pages	O
with	O
country-specific	O
character	O
repertoires	O
,	O
and	O
were	O
later	O
expanded	O
to	O
contain	O
the	O
entire	O
ISO	B-General_Concept
8859-1	O
repertoire	O
,	O
meaning	O
that	O
a	O
given	O
ISO	B-General_Concept
8859-1	O
character	O
may	O
have	O
different	O
code	O
point	O
values	O
in	O
different	O
code	O
pages	O
.	O
</s>
<s>
Open-source	B-Application
software	I-Application
advocate	O
and	O
software	O
developer	O
Eric	O
S	B-Language
.	O
Raymond	O
writes	O
in	O
his	O
Jargon	O
File	O
that	O
EBCDIC	B-Language
was	O
loathed	O
by	O
hackers	O
,	O
by	O
which	O
he	O
meant	O
members	O
of	O
a	O
subculture	O
of	O
enthusiastic	O
programmers	O
.	O
</s>
<s>
EBCDIC	B-Language
design	O
was	O
also	O
the	O
source	O
of	O
many	O
jokes	O
.	O
</s>
<s>
One	O
such	O
joke	O
,	O
found	O
in	O
the	O
Unix	B-Application
fortune	I-Application
file	O
of	O
4.3BSD	B-Operating_System
Reno	O
(	O
1990	O
)	O
went	O
:	O
</s>
<s>
References	O
to	O
the	O
EBCDIC	B-Language
character	B-General_Concept
set	I-General_Concept
are	O
made	O
in	O
the	O
1979	O
computer	O
game	O
series	O
Zork	B-Application
.	O
</s>
<s>
In	O
the	O
"	O
Machine	O
Room	O
"	O
in	O
Zork	B-Application
II	I-Application
,	O
EBCDIC	B-Language
is	O
used	O
to	O
imply	O
an	O
incomprehensible	O
language	O
:	O
</s>
<s>
In	O
2021	O
,	O
it	O
became	O
public	O
that	O
a	O
Belgian	O
bank	O
was	O
still	O
using	O
EBCDIC	B-Language
internally	O
in	O
2019	O
.	O
</s>
<s>
The	O
bank	O
argued	O
in	O
part	O
that	O
it	O
could	O
not	O
comply	O
because	O
its	O
computer	O
system	O
was	O
only	O
compatible	O
with	O
EBCDIC	B-Language
,	O
which	O
does	O
not	O
support	O
umlauted	O
letters	O
.	O
</s>
