<s>
Djot	B-Language
(	O
)	O
is	O
a	O
lightweight	B-Protocol
markup	I-Protocol
language	I-Protocol
that	O
aims	O
to	O
improve	O
on	O
CommonMark	O
's	O
syntax	O
where	O
it	O
is	O
complex	O
and	O
difficult	O
to	O
parse	O
efficiently	O
.	O
</s>
<s>
It	O
was	O
created	O
in	O
2022	O
by	O
John	O
MacFarlane	O
,	O
the	O
author	O
of	O
Pandoc	B-Language
and	O
a	O
member	O
of	O
the	O
CommonMark	O
standardization	O
group	O
.	O
</s>
<s>
The	O
original	O
reference	O
implementation	O
is	O
written	O
in	O
a	O
scripting	B-Language
language	I-Language
(	O
Lua	B-Language
)	O
,	O
but	O
the	O
language	O
is	O
designed	O
to	O
parse	O
efficiently	O
,	O
so	O
it	O
is	O
very	O
fast	O
.	O
</s>
<s>
The	O
code	O
and	O
documentation	O
are	O
released	O
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
Djot	B-Language
's	O
syntax	O
is	O
similar	O
to	O
CommonMark	O
's	O
,	O
but	O
there	O
are	O
some	O
differences	O
.	O
</s>
<s>
CommonMark	O
does	O
not	O
need	O
blank	O
lines	O
around	O
block-level	O
elements	O
,	O
but	O
Djot	B-Language
does	O
.	O
</s>
<s>
Djot	B-Language
has	O
no	O
setext	B-Language
(=	O
or	O
-	O
)	O
headings	O
,	O
only	O
ATX	B-Language
( #	O
)	O
headings	O
.	O
</s>
<s>
Djot	B-Language
uses	O
single	O
_	O
for	O
emphasis	O
,	O
and	O
single	O
*	O
for	O
strong	O
emphasis	O
.	O
</s>
<s>
Unlike	O
CommonMark	O
,	O
Djot	B-Language
has	O
no	O
special	O
syntax	O
for	O
adding	O
a	O
title	O
to	O
a	O
link	O
.	O
</s>
<s>
Djot	B-Language
uses	O
email-style	O
characters	O
for	O
blockquoting	O
.	O
</s>
<s>
+	O
Implementations	O
of	O
Djot	B-Language
Name	O
License	O
Language	O
Repository	O
Description	O
djot.js	O
TypeScript	B-Language
https://github.com/jgm/djot.js	O
This	O
is	O
a	O
TypeScript	B-Language
rewrite	O
of	O
the	O
original	O
reference	O
implementation	O
.	O
</s>
<s>
djot.lua	O
Lua	B-Language
https://github.com/jgm/djot.lua	O
The	O
original	O
reference	O
implementation	O
.	O
</s>
