<s>
X	B-Application
logical	I-Application
font	I-Application
description	I-Application
(	O
XLFD	B-Application
)	O
is	O
a	O
font	O
standard	O
used	O
by	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
Modern	O
X	B-Operating_System
software	O
typically	O
relies	O
on	O
the	O
newer	O
Fontconfig	B-Device
system	O
instead	O
,	O
but	O
XLFDs	B-Application
are	O
still	O
supported	O
in	O
current	O
X	B-Operating_System
window	I-Operating_System
implementations	O
for	O
compatibility	O
with	O
legacy	B-Device
software	I-Device
.	O
</s>
<s>
XLFD	B-Application
is	O
intended	O
to	O
support	O
:	O
</s>
<s>
One	O
prominent	O
XLFD	B-Application
convention	O
is	O
to	O
refer	O
to	O
individual	O
fonts	O
including	O
any	O
variations	O
using	O
their	O
unique	O
FontName	O
.	O
</s>
<s>
It	O
comprises	O
a	O
sequence	O
of	O
fourteen	O
hyphen-prefixed	O
,	O
X-registered	O
fields	B-Application
:	O
</s>
