Formats and compatibility

carta names formats the way pandoc does, so a command written for one runs against the other. A format name may carry extension toggles (markdown+hard_line_breaks-raw_html), and carta --list-extensions=<format> prints the set a given format accepts.

Formats

Markdown family

Format	Names	Reader	Writer	Cargo features
CommonMark	commonmark	✅ Usable	✅ Usable	read-commonmark write-commonmark
CommonMark-X	commonmark_x	✅ Usable	✅ Usable	read-commonmark write-markdown
Djot	djot	❌ Not started	❌ Not started	—
GitHub-Flavored Markdown	gfm	✅ Usable	✅ Usable	read-commonmark write-gfm
Pandoc Markdown	markdown	✅ Usable	✅ Usable	read-commonmark write-markdown
GitHub Markdown, legacy	markdown_github	✅ Usable	✅ Usable	read-commonmark write-markdown
MultiMarkdown	markdown_mmd	✅ Usable	✅ Usable	read-commonmark write-markdown
PHP Markdown Extra	markdown_phpextra	✅ Usable	✅ Usable	read-commonmark write-markdown
Markdown strict	markdown_strict	✅ Usable	✅ Usable	read-commonmark write-markdown
Markua	markua	➖ Not applicable	❌ Not started	—

HTML & slides

Format	Names	Reader	Writer	Cargo features
Beamer	beamer	➖ Not applicable	✅ Usable	write-beamer
Chunked HTML	chunkedhtml	➖ Not applicable	❌ Not started	—
DZSlides	dzslides	➖ Not applicable	❌ Not started	—
HTML	html html5	✅ Usable	✅ Usable	read-html write-html
HTML 4	html4	➖ Not applicable	✅ Usable	write-html4
PowerPoint	pptx	❌ Not started	❌ Not started	—
reveal.js	revealjs	➖ Not applicable	✅ Usable	write-revealjs
S5	s5	➖ Not applicable	❌ Not started	—
Slideous	slideous	➖ Not applicable	❌ Not started	—
Slidy	slidy	➖ Not applicable	❌ Not started	—

TeX & typesetting

Format	Names	Reader	Writer	Cargo features
ConTeXt	context	➖ Not applicable	❌ Not started	—
LaTeX	latex	✅ Usable	✅ Usable	read-latex write-latex
PDF	pdf	➖ Not applicable	❌ Not started	—
Texinfo	texinfo	➖ Not applicable	❌ Not started	—
Typst	typst	❌ Not started	✅ Usable	write-typst

Lightweight markup

Format	Names	Reader	Writer	Cargo features
AsciiDoc	asciidoc	❌ Not started	✅ Usable	write-asciidoc
AsciiDoc legacy	asciidoc_legacy	➖ Not applicable	❌ Not started	—
Asciidoctor	asciidoctor	➖ Not applicable	❌ Not started	—
Haddock	haddock	❌ Not started	❌ Not started	—
Muse	muse	❌ Not started	❌ Not started	—
Org mode	org	✅ Usable	✅ Usable	read-org write-org
Perl POD	pod	❌ Not started	➖ Not applicable	—
reStructuredText	rst	✅ Usable	✅ Usable	read-rst write-rst
txt2tags	t2t	❌ Not started	➖ Not applicable	—
Textile	textile	❌ Not started	❌ Not started	—

Wikis

Format	Names	Reader	Writer	Cargo features
Creole	creole	❌ Not started	➖ Not applicable	—
DokuWiki	dokuwiki	✅ Usable	✅ Usable	read-dokuwiki write-dokuwiki
Jira	jira	✅ Usable	✅ Usable	read-jira write-jira
MediaWiki	mediawiki	✅ Usable	✅ Usable	read-mediawiki write-mediawiki
TikiWiki	tikiwiki	❌ Not started	➖ Not applicable	—
TWiki	twiki	❌ Not started	➖ Not applicable	—
Vimwiki	vimwiki	❌ Not started	➖ Not applicable	—
XWiki	xwiki	➖ Not applicable	❌ Not started	—
ZimWiki	zimwiki	➖ Not applicable	❌ Not started	—

roff

Format	Names	Reader	Writer	Cargo features
man	man	✅ Usable	✅ Usable	read-man write-man
mdoc	mdoc	❌ Not started	➖ Not applicable	—
ms	ms	➖ Not applicable	❌ Not started	—
vimdoc	vimdoc	➖ Not applicable	❌ Not started	—

Word processor, ebook & notebook

Format	Names	Reader	Writer	Cargo features
Word	docx	✅ Usable	✅ Usable	read-docx write-docx
EPUB	epub epub2 epub3	✅ Usable	✅ Usable	read-epub write-epub
FictionBook2	fb2	❌ Not started	❌ Not started	—
InDesign ICML	icml	➖ Not applicable	❌ Not started	—
Jupyter Notebook	ipynb	✅ Usable	✅ Usable	read-ipynb write-ipynb
OpenDocument Text	odt	✅ Usable	✅ Usable	read-odt write-odt
OpenDocument	opendocument	➖ Not applicable	❌ Not started	—
Rich Text Format	rtf	✅ Usable	✅ Usable	read-rtf write-rtf
Spreadsheet	xlsx	❌ Not started	➖ Not applicable	—

XML & publishing

Format	Names	Reader	Writer	Cargo features
BITS	bits	❌ Not started	➖ Not applicable	—
DocBook	docbook docbook4 docbook5	❌ Not started	❌ Not started	—
JATS	jats jats_archiving jats_articleauthoring jats_publishing	❌ Not started	❌ Not started	—
TEI	tei	➖ Not applicable	❌ Not started	—
Generic XML	xml	❌ Not started	❌ Not started	—

Bibliography

Format	Names	Reader	Writer	Cargo features
BibLaTeX	biblatex	❌ Not started	❌ Not started	—
BibTeX	bibtex	❌ Not started	❌ Not started	—
CSL JSON	csljson	❌ Not started	❌ Not started	—
EndNote XML	endnotexml	❌ Not started	➖ Not applicable	—
RIS	ris	❌ Not started	➖ Not applicable	—

Data, interchange & terminal

Format	Names	Reader	Writer	Cargo features
ANSI terminal	ansi	➖ Not applicable	❌ Not started	—
BBCode	bbcode bbcode_fluxbb bbcode_hubzilla bbcode_phpbb bbcode_steam bbcode_xenforo	➖ Not applicable	❌ Not started	—
CSV	csv	✅ Usable	➖ Not applicable	read-csv
Pandoc JSON	json	✅ Usable	✅ Usable	read-json write-json
Native Pandoc AST	native	✅ Usable	✅ Usable	read-native write-native
OPML	opml	✅ Usable	✅ Usable	read-opml write-opml
Plain text	plain	➖ Not applicable	✅ Usable	write-plain
TSV	tsv	✅ Usable	➖ Not applicable	read-tsv

Extensions

Supported

smartstrikeoutsuperscriptsubscriptpipe_tablesfootnotestask_listsautolink_bare_uristex_math_dollarsfenced_divsbracketed_spanshard_line_breaksraw_htmlheader_attributesfenced_code_attributesinline_code_attributeslink_attributesattributesdefinition_listsgrid_tablesmultiline_tablessimple_tablestable_captionsline_blocksfancy_listsexample_listsstartnumyaml_metadata_blockpandoc_title_blockauto_identifiersgfm_auto_identifiersimplicit_header_referencesimplicit_figuresraw_attributeinline_notesnative_divsnative_spansmarkdown_in_html_blocksraw_texcitationstable_attributesblank_before_blockquoteblank_before_headermarkemojialertstex_math_single_backslashtex_math_double_backslashlists_without_preceding_blanklineintraword_underscoresbacktick_code_blocksfenced_code_blocksescaped_line_breaksspace_in_atx_headerall_symbols_escapablespaced_reference_linksshort_subsuperscriptsmmd_title_blockmmd_header_identifiersabbreviationsmarkdown_attribute

Recognized, behavior not yet modeled

These names are already recognized internally, but the reader does not yet branch on the construct:

latex_macroswikilinks_title_after_pipewikilinks_title_before_pipeascii_identifiersmmd_link_attributesold_dasheseast_asian_line_breaksfour_space_ruleliterate_haskellrebase_relative_pathsgutenbergangle_brackets_escapableignore_line_breaksraw_markdown