<s>
A	O
mnemonic	O
is	O
an	O
underlined	O
alphanumeric	O
character	O
,	O
typically	O
appearing	O
in	O
a	O
menu	O
title	O
,	O
menu	O
item	O
,	O
or	O
the	O
text	O
of	O
a	O
button	O
or	O
component	O
of	O
the	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
In	O
Microsoft	O
Windows	O
,	O
mnemonics	B-Device
are	O
called	O
"	O
Access	B-Device
keys	I-Device
"	O
.	O
</s>
<s>
In	O
Web	O
browsers	O
,	O
Access	B-Device
keys	I-Device
may	O
or	O
may	O
not	O
be	O
engaged	O
by	O
the	O
Alt	O
key	O
.	O
</s>
<s>
The	O
usage	O
of	O
mnemonics	B-Device
in	O
languages	O
other	O
than	O
English	O
is	O
limited	O
to	O
the	O
possibility	O
of	O
entering	O
the	O
underlined	O
character	O
using	O
a	O
single	O
key	O
stroke	O
;	O
for	O
this	O
reason	O
,	O
localized	O
versions	O
of	O
software	O
omit	O
letters	O
that	O
have	O
diacritics	O
which	O
are	O
input	O
via	O
dead	B-Device
keys	I-Device
.	O
</s>
