Changes

3.10.0 3.9.1 (2024-12-17)

Development:

Add version v1 of the new built-in theme witiko/diagrams. (#514, #531, #538)

This version is an alias for an earlier theme named witiko/dot. Future versions of the theme may have backwards-incompatible syntax and behavior, see the discussion in #514 and #531. Therefore, you are encouraged to always specify the version v1 to keep your documents from suddenly breaking. The Markdown package will warn you if you don't.

Fixes:

Make option eagerCache safe to use with plain LuaTeX. (#530, Witiko/lt3luabridge#29)

Documentation:

Add artwork by https://fiverr.com/quickcartoon to directory artwork/. (#533)

You are welcome to use these artworks in your promotional materials, provided you comply with the license terms specified for each piece. Typically, proper attribution to the artist is required.

Defaults:

In LaTeX, fix bad interaction between heading identifiers and the class name {.unnumbered} (also written as {-}). (#511, 3d2e81d4, reported by @jurf)

Continuous Integration:

Use explcheck to check expl3 code in the continuous integration. (#535, #536, b4e3bfcd)

Deprecation:

Soft-deprecate the name of the built-in theme witiko/dot in favor of the new built-in theme witiko/diagrams@v1. (#514, #531, #538)

Distribution:

Make markdown-cli executable and symlink it to system directories. (#534, #537, tex-live@tug.org)

Tests:

Reenable eagerCache in tests for plain LuaTeX. (#530, Witiko/lt3luabridge#29)

Docker:

Install the current package lt3luabridge in Dockerfile. (#530)

3.9.0 (2024-11-21)

Development:

Convert built-in LaTeX themes witiko/dot and witiko/graphicx/http into plain TeX themes. (#514, #522, #529)

This allows these themes to be used in formats such as plain TeX and ConTeXt as well.

Refactoring:

Remove dependencies on ifthen, gobble, and catchfile. (#514, #522, #529)
Store small built-in LaTeX themes witiko/dot, witiko/graphicx/http, and witiko/tilde in expl3 props in files markdown.tex and markdown.sty. (#514, #522, #529)

This simplifies the distribution and installation of these themes, which were previously located in individual .tex and .sty files.

The built-in plain TeX, LaTeX, and ConTeXt themes witiko/markdown/defaults are still distributed in individual files. This is because inlining these themes in files markdown.tex, markdown.sty, and t-markdown.tex would make it more difficult for users to copy and modify these themes without delaying updates to the Markdown package itself. Furthermore, these themes are large and storing/executing them from an expl3 prop would make it more difficult to determine the line numbers when errors occur.

Fixes:

Protect renderers and renderer prototypes. (#465, #506)

After this change, default renderers and renderer prototypes as well as renderers and renderers and prototypes defined using the keys renderers and rendererPrototypes of the command \markdownSetup are protected, which is usually preferable for typesetting.

New keys unprotectedRenderers and unprotectedRendererPrototypes were also added to the command \markdownSetup. These keys define unprotected renderers and renderer prototypes, respectively, which are easier to expand and may be preferable for programming.

Defaults:

Define default LaTeX renderer prototypes for table identifiers. (#525, suggested by @machitgarha, #528)

This establishes a reliable method for authors to reference tables within Markdown:

\documentclass{article}
\usepackage[
  pipe_tables,
  table_attributes,
  table_captions,
  relative_references,
]{markdown}
\begin{document}
\begin{markdown}

| Right | *Left* |   Default   | Center |
|------:|:-------|-------------|:------:|
|   12  |   12   |      12     |    12  |
|  123  |   123  |   **123**   |   123  |
|    1  |     1  |       1     |     1  |

  : Demonstration of *pipe table* syntax with the caption spreading over
    multiple lines. {#identifier .class-name key=value}

Demonstration of a *relative reference*: See Table <#identifier>.

\end{markdown}
\end{document}

Define default LaTeX renderer prototypes for bracketed spans. (discussed with @MacLotsen at TUG 2024 and with @TeXhackse at matrix.org, #528)

This establishes a reliable method for authors to reference the last LaTeX counter that has been incremented in e.g. ordered lists.

\documentclass{article}
\usepackage[
  bracketed_spans,
  relative_references,
  start_number = false,
]{markdown}
\begin{document}
\begin{markdown}

Demonstration of *bracketed spans* syntax:

 1. First item
 2. [Second item]{#second-item}
 3. Third item

Demonstration of a *relative reference*: See item <#second-item>.

\end{markdown}
\end{document}

Use package LuaXML in default LaTeX renderer prototypes for content blocks, raw blocks, and inline raw spans. (#469, #532, co-authored by @michal-h21)

This allows authors to render HTML fragments in their LaTeX documents:

\documentclass{article}
\usepackage[content_blocks, raw_attribute]{markdown}
\begin{filecontents}[overwrite, nosearch, noheader]{example_input.html}
<b>foo</b> <i>bar</i>
\end{filecontents}
\begin{document}
\begin{markdown}

Raw text span: `<b>foo</b> <i>bar</i>`{=html}

Raw code block:

``` {=html}
<b>foo</b> <i>bar</i>
```

Content block:

 /example_input.html

\end{markdown}
\end{document}

Deprecation:

Remove support for TeX Live 2022. (da85e015, 8f2d25c7)

This change also removes the Lua module markdown-tinyyaml, which has been scheduled for removal ever since the Lua module tinyyaml was uploaded to CTAN in TeX Live 2023.

3.8.1 (2024-11-03)

Fixes:

Fix backslashes at the ends of hybrid documents. (#502, #503, contributed by @lostenderman)
Fix hard line breaks in fancy list items. (#508, #509, contributed by @lostenderman)

3.8.0 (2024-10-31)

Development:

Add support for versioned themes and add new Lua option experimental. (#466, #512, #514, matrix.org reviewed by @TeXhackse, #521)

The option experimental enables experimental features that are planned to be the new default in the next major release of the Markdown package.

At the moment, this just means that the version experimental of the theme witiko/markdown/defaults will be loaded and warnings for hard-deprecated features will become errors. However, the effects may extend to other areas in the future as well.

Add first-class support for YAML documents. (#452, #473, #524)
- Add plain TeX macros \yamlSetup, \yamlInput, \yamlBegin, and \yamlEnd.
- Add LaTeX environment yaml and redefine command \yamlInput for LaTeX.
- Add ConTeXt commands \setupyaml, \inputyaml, \startyaml, and \stopyaml.

Documentation:

Document LaTeX hooks. (#464, #507)

Defaults:

Improve the compatibility of the default LaTeX packages with PDF tagging: (#466, #512, #514, #521, reported and consulted by @u-fischer)
- In TeX engines other than LuaTeX, use the package soul instead of the package soulutf8 in TeX Live ≥ 2023.
- In LuaLaTeX, use the package lua-ul for strike-through/mark renderer prototypes instead of the package soul.
- Use the package enumitem for tight and fancy lists instead of the package paralist.
  
  This is a breaking change that is marked as experimental. To enable it, either use the package option experimental or specify any test phase in the document metadata:
  1. \usepackage[experimental]{markdown}
  2. \DocumentMetadata{testphase=phase-III}

Define LaTeX renderers for image identifiers. (#520, suggested by @jurf, 6f3dcd0c, 478530f, matrix.org)

This establishes a reliable method for authors to reference figures within Markdown:

\documentclass{article}
\usepackage[link_attributes, relative_references]{markdown}
\begin{document}
\begin{markdown}

![example image](example-image "An example image"){#example-image-id}

See Figure <#example-image-id>.

\end{markdown}
\end{document}

Set correct category codes for version 3 of the package minted. (39980934)

Continuous Integration:

Only use self-hosted runners for the quick CI in pull requests. For full CI outside pull requests, use GitHub-hosted runners. (c2697428, matrix.org)

3.7.1 (2024-09-30)

Development:

Remove dependency on UnicodeData.txt. (#400, #458 #486, #492, #499)

This change improves the speed of parsing markdown input by up to 25% for a cold conversion run and makes life easier for users of TeX distributions other than TeX Live, such as MikTeX and ConTeXt Standalone, where UnicodeData.txt may not be as easily available. This change also adds a new file markdown-unicode-data.lua, which must be properly installed with the rest of the Markdown package.
Add renderers warning and error that represent warnings and errors produced by the markdown parser. (#452, #473, #496)

Fixes:

Properly load LaTeX themes when theme or import is used in \usepackage[...]{markdown}. (#471, #498)
Prevent endless loop when setting deprecated jekyllDataString renderer (prototype). (#500)
Correctly handle backslashes in \markdownOptionOutputDir on Windows. (#492, #500, reported by @l0th3r)
Fix hard line breaks in blockquotes. (#494, #495, reported by @l0th3r, #496, contributed by @lostenderman)

Deprecation:

Soft-deprecate the hybrid option. (#470, #504, 546faa87)

Soft-deprecated features will never be removed but using them prints a warning and is discouraged. Instead of the hybrid option, consider one of the following better alternatives for mixing TeX and markdown:
- With the contentBlocks option, authors can move large blocks of TeX code to separate files and include them in their markdown documents as external resources.
- With the rawAttribute option, authors can denote raw text spans and code blocks that will be interpreted as TeX code.
- With options texMathDollars, texMathSingleBackslash, and texMathDoubleBackslash, authors can freely type TeX commands between dollar signs or backslash-escaped brackets.
For more information, see the user manual at https://witiko.github.io/markdown/.

3.7.0 (2024-08-30)

Development:

Add renderer jekyllDataProgrammaticString for processing YAML string scalars that do not contain markdown markup and are not intended for typesetting. (istqborg/istqb_product_base#46, #440, #451, sponsored by @istqborg)
Add option ensureJekyllData for processing standalone YAML files. (#452, #473, sponsored by @istqborg)
Support user-defined LaTeX environments with LaTeX markup. (#20, #477, suggested by @cdupont)

Fixes:

Produce more meaningful error message when KPathSea fails to locate a file. (#458, #472, 33e6eef2, reported by @Yggdrasil128)
Fix soft line breaks in citation prenotes and postnotes. (#483, #484, contributed by @lostenderman)

Speed improvements:

Precompile snippets to improve the speed of setting them. (#467, #479, inspired by the TUG 2024 talk by @josephwright)
Use an optimized parser to determine Unicode punctuation. (#458, #474, #482, 4c1a7de2, co-authored by @Yggdrasil128, sponsored by @istqborg) This improves the speed of parsing markdown input by up to 500%.
Enable option eagerCache by default. (#468, #490, sponsored by @istqborg) This improves the speed by up to 25% for large documents with many markdown fragments that require multiple compilation runs.
Prevent loading the full Markdown package when converting cached markdown fragments. (#487, #491, 40f0803f, 6609d43d, sponsored by @istqborg) This significantly improves the speed for large documents with many markdown fragments that require multiple compilation runs in pdfTeX.

Deprecation:

Deprecate jekyllDataString renderer and renderer prototype. (istqborg/istqb_product_base#46, #440, #451, sponsored by @istqborg) Users should use jekyllDataTypographicString instead.

Continuous Integration:

Ensure that all code lines are shorter than 72 characters. (#478, e7160d60, 3ac95efe)

Experiments:

Measure the speed of the Markdown package across recent versions. (249552e5, 55ede824, efeaecbe, #474, 7b2b2431, fcf0064c)

3.6.2 (2024-07-14)

Fixes:

Fix the interplay between inline notes and square brackets. (#453, #456, reported by @nopria, contributed by @lostenderman)
Fix the interplay between lists and citations. (Witiko/expltools#3, #460, #461, contributed by @lostenderman)
Do not override the outputDir option if if has been defined before loading the package and pass it to lt3luabridge library. (#457, #459)

Documentation:

Fix various typos. (#454, contributed by @mbertucci47)
Add file DEPENDS.txt. (#462, #463, 93bb7e18)

Continuous Integration:

Only test latest TeX Live in pull requests. (81927ca1)

Tests:

Test the outputDir plain TeX option. (#457, #459)

Libraries:

Update tinyyaml to v0.4.4-1-g197632c. (1e83ac94)

3.6.1 (2024-06-20)

Fixes:

Fix the interplay between (strong) emphasis and (inline) notes. (#447, #450, lostenderman#159, reported by @nopria, contributed by @lostenderman)
Produce soft line break renderers in inline notes. (#450, lostenderman#159, contributed by @lostenderman)

Documentation:

Improve the documentation of portable installation. (#444, 9afac050, contributed by @l0th3r)
Document that the Markdown package can be installed from GitHub releases. (#449, #450, reported by @nopria)

Continuous Integration:

Remove warnings from Pandoc and GitHub Actions. (2b3f3469..71f174b1)

Defaults:

Fix default definitions for fancy tight ordered lists. (#446, f978e818, reported by @l0th3r)

3.6.0 (2024-05-27)

Development:

Add Lua options unicodeNormalization and unicodeNormalizationForm for normalizing markdown text using Unicode normalization. (#434, #442, sponsored by @istqborg)

Fixes:

Make \markdownInput search in \l_file_search_path_seq. (#443, reported by @robertjlee)

Documentation:

Add a link to a work-in-progress article for TUGboat 45:2 to README.md. (7a1a7ea0)

Fixes:

Correctly sort YAML map keys with mixed types. (#433, #441)

3.5.0 (2024-04-29)

Development:

Add \markinline plain TeX command. (#300, #439, matrix.org)
Support incremental definitions of token renderers and renderer prototypes in the \markdownSetup command. (#232, #435, 540a83c0, matrix.org, #437, #438, contributed by @eg9, @gucci-on-fleek, and @Skillmon on TeX StackExchange)

Default Renderer Prototypes:

Add default renderers for unnumbered sections in LaTeX. (#401, istqborg/istqb_product_base#23, #430, reported by @felipecrp, sponsored by @istqborg)

3.4.3 (2024-04-04)

Fixes:

Remove trailing paragraph/interblock separators in right-open slice intervals. (#408, #419)
Do not misinterpret bracketed e-mails as citations. (#424, #426, sponsored by @istqborg)
Comply with CommonMark 0.31.2. (#416, 40b516ee, de8d137d, #432, contributed by @lostenderman)
Do not end a paragraph before a ::: in fenced divs. (#407, lostenderman#157, #427, #428, lostenderman#158, #431, contributed by @lostenderman)

Documentation:

Add slides from the defense of projects MUNI/33/1654/2022 and MUNI/33/1658/2022 to README.md. (49f01ccf)
Remove <mroot> from MathML in the user manual. (#420, #422, contributed by @quark67)

Contributed Software:

Make the documentation of contributions more detailed. (3f928162)

Docker:

Add support for TeX Live 2024. (#411, bafbb164, #413, 04957eee, 16000aa4, #425, 9549a5d8, 8f8e1315, 844beafc, cf592003)

Continuous Integration:

Style-check tabs and trailing spaces in markdown.dtx. (a0c941ca)

3.4.2 (2024-03-09)

Fixes:

In \begin{markdown}[options], allow a new line before options. (#414, #415)

Contributed Software:

Add contributions/istqb_product_base. (8e727c9b)
Add contributions/fithesis. (0b6a436c, 0725b20c, 7daf2b5e)

3.4.1 (2024-02-16)

Fixes:

Rename option contentType to contentLevel. (#300, #400, ca98e039)
Correctly produce paragraph separators inside block-level elements. (#376, #377, #403, contributed by @lostenderman)

Deprecation:

Replace \markdownInfo, \markdownWarning, and \markdownError with l3msg functions and deprecate them. (#383, #398, e3ca682c, 48002f84)
Use the TEXMF_OUTPUT_DIRECTORY environmental variable to set \markdownOptionOutputDir and deprecate it. (#405, #409, matrix.org)

Docker:

Add support for TeX Live 2024 pretest. (#404, #406, e51738ba, #410, 7ef64dd9, a7cff81d, contributed by @jspitz)

3.4.0 (2024-01-31)

Development:

Separate default token renderer prototype definitions to a universal theme witiko/markdown/defaults. (#391, #392)
Add format-independent options noDefaults and plain, which control the loading of theme witiko/markdown/defaults. (#393, #394)
Add contentLevel Lua option. (#300, #375, #400, contributed by @lostenderman)

Fixes:

Make Pandoc syntax extensions tex_single_backslash_math and tex_double_backslash_math robust against extra spaces at the beginning / end of inline / display math. (#386, #399, contributed by @lostenderman)

Libraries:

Update tinyyaml to v0.4.4. (e2a59ba)

Contributed Software:

Remove private GitHub repository contributions/istqb_latex. (cc21fe2)
Add contributions/37c3-beamer. (f5bb26b, contributed by @TeXhackse)

Default Renderer Prototypes:

Do not unnecessarily override math renderer prototypes in LaTeX/ConTeXt. (#387, #396, contributed by @zousiyu1995)

Tests:

In pull requests, process added and modified testfiles first. (feafe9b9, 9ff530da, 18deae73)

Deprecation:

Replace all instances of \markdownInfo, \markdownWarning, and \markdownError with l3msg functions and deprecate \markdownInfo, \markdownWarning, and \markdownError. (#383, #398)

Docker:

Uninstall the distribution Markdown package. (258a73d4)

3.3.0 (2023-12-30)

Development:

Add support for universal (cross-format) themes. (#276, #373)

Fixes:

Prevent unwanted space tokens before *ContextEnd renderers. (#373)
Make ConTeXt command \inputmarkdown properly process extra options. (#389, #390, contributed by @ibotty)

Documentation:

Improve the discoverability of the \markdownInput macro. (#381, #382, contributed by @solernou)
Encourage alternatives to the hybrid option in the user manual. (#382)

Speed Improvements:

Optimize needless catcode switching in package code. (3eb7231)

Default Renderer Prototypes:

Fix the typesetting of level four headings with attributes for LaTeX document classes without the \chapter command such as article and level five headings for LaTeX document classes with the \chapter command such as book. (86eefc0)

3.2.1 (2023-11-23)

Fixes:

Remove the options.cacheDir directory if it is empty after conversion. (5cfcea6)
Allow tables inside lists. (#368, #371, contributed by @lostenderman, sponsored by @istqborg)
Check that shell access is unrestricted before attempting shell escape. (#365, Witiko/lt3luabridge#22, latex3/latex3#1339, #372)

Documentation:

Add a link to a work-in-progress article for TUGboat 45:1 to README.md. (1988a0c2, 3b85533d)
Fix miscellaneous issues with the technical documentation. (#366, #367)
In README.md, add a link to a GPT chatbot with background knowledge about the Markdown Package for TeX. (59eb04d)

Docker:

Include developer tools in the development Docker image. (#374)

3.2.0 (2023-10-21)

Development:

Add support for Pandoc auto_identifiers and gfm_auto_identifiers syntax extensions. (#237, #238, lostenderman#153, #315, #354, contributed by @lostenderman)
Add support for bulk redefinition of token renderers and token renderer prototypes in the \markdownSetup command using enumeration. (#232, #361..#363, matrix.org)

Fixes:

Make the import LaTeX option correctly handle recursive imports. (68c7a2f5, istqborg/istqb_shared_documents#87)
Support attributes on multi-line setext headings. (#315, #355, #356, contributed by @lostenderman)
Correctly process the combination of Lua options fancyLists and startNumber. (59fb97e8)
Properly parse emphasis at line endings in headings. (#358, #360, contributed by @lostenderman)
Fix fancy lists that use roman numerals as markers. (istqborg/istqb_shared_documents#87, #359, #364, contributed by @lostenderman, sponsored by @istqborg)

Documentation:

Add a link to a preprint from TUGboat 44:3 to README.md. (cf6b3d7b, dc57af7)
Measure the speed impact of test file batching. (#357, b526fa65, 8c94ffc9, matrix.org)

Tests:

Restore CommonMark testfiles with trailing tabs and spaces. (#348, #353, lostenderman#2, contributed by @lostenderman)
Fail faster during batch bisection. (5177ef6)
Speed up tests by running ConTeXt MkIV only once. (61f36e6d)
Use BEGIN document and END document instead of documentBegin and documentEnd for consistence with other renderers. (0be6be4)

Continuous Integration:

Do not rebuild existing Docker images when we rerun the continuous integration for the same commit multiple times. (ae390ec, 70c5f2e5)

Default Renderer Prototypes:

In LaTeX, correctly capitalize fancy list labels. (0a10053f)
In LaTeX, properly indent fancy ordered lists when the Lua option startNumber is enabled. (6a7649e8)

3.1.0 (2023-09-27)

Development:

Add \markdownSetup command to all TeX formats. (#275, #349, matrix.org)
Add an optional argument to the markdown LaTeX environment. (#299, #351)
Add support for Pandoc mark syntax extension. (jgm#67, #303, #352, matrix.org, contributed by @Omikhleia)

Deprecation:

Deprecate the markdown* LaTeX environment. (#299, #351, matrix.org)

Tests:

Add support for YAML metadata in testfiles. (#345, #347, matrix.org)

Documentation:

Add a link to a preprint from CSTUG Bulletin to README.md. (2c354f49)

3.0.1 (2023-09-10)

Fixes:

Correctly parse paragraphs with trailing spaces. (istqborg/istqb_shared_documents#77, #345, #347)

3.0.0 (2023-08-25)

Development:

Add support for TeX-like rich paragraphs. (#30, #306, matrix.org)

Fixes:

Reset current heading level at the end of a markdown document. (1261e6f)
Fix out-of-memory issues with CommonMark implementation. (#308, #318, 28650b8)
Fix rawAttribute option being enabled in Lua by default. (92c9ac2)
Make our implementation of attributes compatible with jgm/pandoc. (jgm#68, #304, #343, contributed by @Omikhleia)

Documentation:

Fix the link to @xvrabcov's talk at TUG 2022 in README.md. (166c4506)
Add a link to @writersglen's talk at TUG 2022 to README.md. (f3efcb9)
Document setting up catcodes in Lua. (#329, #342)

Tests:

Batch unit tests to improve speed. (#245, #316, 8bfd0b3, #317, #319..#325, #327, #328, e3b31696, #331, #332, #334, 0a230fa, 90cc428, 3be0013, dbe1808, a0108814)
Use self-hosted GitHub runners for tests to improve speed. (#326, #330, #331, a9948a86, 68b6216b, contributed by @TeXhackse, matrix.org)

Continuous Integration:

In draft pull requests, do not build documentation or examples and do not run pkgcheck. (#337, #338, 189bb153)
Push temporary Docker images to GitHub Packages. (#340, #341, d15ae88a, 7e42e846)

3.0.0-alpha.2 (2023-08-01)

Development:

Add support for attributes on tables. (#310, #313, 8786408)

Default Renderer Prototypes:

Correctly handle multiple heading identifiers. (3ae1b0d1)
Add alt text to figures. (#312)

Documentation:

Add a link to TUG 2023 slides and video to the README. (ce6047b8, adb69e2f)

Tests:

Rewrite the unit testing framework from Bash to Python and implement summarization. (#245, #314)

3.0.0-alpha (2023-06-27)

Development:

Comply with CommonMark 0.30 and increment grammar_version to 3. (contributed by @lostenderman, #29, #210, #212, #226)
Add a demo of using the Markdown package in OpTeX. (contributed by @olsak, #215, 109c1b5, #292)
Add singletonCache Lua option. (#226)

Documentation:

Add @lostenderman's thesis to README.md. (#226, 8a4536e)

Default Renderer Prototypes:

Do not force line breaks after high-level headings in LaTeX. Allow the text to follow the heading on the same line. (df8562c)

Deprecation:

Remove deprecated parts of the package. (#309)
Remove support for LuaMetaTeX. (#226)

Fixes:

Allow references in fenced divs. (#307, jgm#69)
Prevent eagerCache=false from causing undefined behavior and make it the new default. (#129)

2.23.0 (2023-04-27)

Development:

Add support of bulk redefinition of token renderers and token renderer prototypes in the \markdownSetup LaTeX command using wildcards. (#232, #287)

Fixes:

Drop support for ConTeXt Mark II, since the MkII files are no longer installed in TeX Live 2023, see the article by Hans Hagen. (#281, #282)
Remove extra space after inline elements with attributes. (#288)
Make our implementation of attributes compatible with jgm/pandoc. (#279, #297, f7c701b)

Documentation:

Add a link to a preprint from TUGboat 44(1) to README.md. (#234, a4d9fbf)
Separate example files for pdfLaTeX, XeLaTeX, LuaLaTeX, and TeX4ht. (daccaa8)

Docker:

Add TeX Live 2022 historical image. (#285, #295)
Add support for TeX Live 2023. (contributed by @gucci-on-fleek, #281, #282)

Refactoring:

Use \prg_new_conditional:Nnn to define \@@_if_option:n. (#289)

Libraries:

Make tinyyaml a standalone CTAN package. (contributed by @zepinglee, #218, #294)

Default Renderer Prototypes:

Make the default LaTeX renderer prototypes for tight lists produce surrounding spaces. (#290, #296)

2.22.0 (2023-04-02)

Development:

Add support for TeX math surrounded by backslash-escaped parens and brackets. (contributed by @lostenderman, #61, #235, #236, #270)
Add support for attributes on links, images, fenced code, and inline code spans. (jgm#36, jgm#43, #50, #123, #256, #280, matrix.org)
Add import LaTeX option. (#107, #286)

Documentation:

Unify how Pandoc syntax extensions are named and cited in documentation. (#274, #284)

Refactoring:

Only configure the Kpathsea library if it has not already been configured. (#268, #283)

Deprecation:

Deprecate theme LaTeX option in favor of the new import LaTeX option. (#107, #285)

2.21.0 (2023-02-28)

Development:

Add renderers that represent the sections implied by headings. (#258, #264)
Add support for slicing fenced divs. (#229, #266)
Add support for TeX math surrounded by dollar signs. (contributed by @lostenderman, #61, #216, #267)

Fixes:

Use MathML to render math in the user manual. (#261, #262)
Properly normalize link references according to CommonMark. (lostenderman#56, #265)
Fail gracefully when CLI receives unknown options. (eddcb18)

Documentation:

Rename writer->encode_*() methods to clarify their purpose. (lostenderman#101, #271, #272)

Deprecation:

Deprecate the current semantics of header attribute contexts. (#258, #264)
Deprecate hardLineBreaks Lua option. (#227, #263)

2.20.0 (2023-02-01)

Development:

Add support for line blocks. (contributed by @Omikhleia and @lostenderman, jgm#41, #209, #248)
Add support for attributes on fenced code blocks. (contributed by @Omikhleia, jgm#36, #123, #211)

Documentation:

Add @drehak's thesis to README.md. (204a18c, aec9b44, cda53fb)
Update examples for options bracketedSpans and fencedDivs. (499c65a, 532cdb8)

Fixes:

Map U+0000 and U+FFFD to new replacement character renderer. (lostenderman#34, #247, #250)
Map non-breaking space to writer->nbsp in strings. (lostenderman#99, #247, #249)
Fix input normalization and move it from Lua CLI and plain TeX layers directly to the convert() Lua method. (#246, #253)
Allow fenced div closing tag to break out of a blockquote. (contributed by @Omikhleia, jgm#60, jgm#61, #230, #259)

Default Renderer Prototypes:

Use paralist LaTeX package to define default renderer prototypes for fancy lists when fancyList Lua option is enabled. (#241)
Insert \unskip after default raw inline renderer prototype. (ca2047e)
Make \*group_begin: and \*group_end: the default renderer prototypes for attribute contexts. (#243)
In LaTeX and ConTeXt, use just first word of infostring to determine fence code block language. (#244)

Tests:

Do not fold tabs and spaces into a single space token. (lostenderman#107, #242)
Do not escape URIs in test outputs. (lostenderman#8, #260, 291e388)

Speed Improvements:

Only make backticks special when codeSpans or fencedCode are enabled. (#239)
Use fast unit testing in continuous integration. (#231, #255)

Continuous Integration:

Fix ownership of repository before running Docker image. (#240)

2.19.0 (2022-12-23)

Development:

Add support for fenced divs and bracketed spans. (#126, #207)

Fixes:

Fix incorrect category codes in plain TeX renderer prototype definitions. (f156f05)
Allow backticks in tilde code block infostrings. (#214, #219, #221)

Refactoring:

Sort Lua options, token renderers, and built-in syntax extensions. (#208)

Documentation:

Add article High-Level Languages for TeX (in Czech) from CSTUG Bulletin 1–4/2022 to README.md. (authored by @witiko, a2bbdea)

Continuous Integration:

Make latexmk treat warnings as errors. (#228)

2.18.0 (2022-10-30)

Development:

Accept snake_case variants of options in addition to camelCase variants in \markdownSetup and Lua CLI. Accept snake_case and caseless variants of options in \setupmarkdown. (#193, #194, #195, #196, #197, #198)
Rename renderers, renderer prototypes and options based on the semantics of elements: (#187, #201)
- Rename the horizontalRule and footnote renderers and renderer prototypes to thematicBreak and note.
- Rename the footnotes and inlineFootnotes options to notes and inlineNotes.
- Rename the HorizontalRule rule to ThematicBreak and increment grammar_version to 2.
Add \markdownEscape macro that inputs a TeX document in the middle of a markdown document fragment. (1478f7b)
Add support for raw attributes. (#173, #202)

Fixes:

Fix missing support for forward slashes in \markdownSetup{jekyllDataRenderers = {...}} keys. (#199, #200)
Fix plain LaTeX option not preventing changes to renderer prototypes. (013abbb)

Continuous Integration:

Check user manual with MarkdownLint. (#203)

Contributed Software:

Update contributions/pandoc-to-markdown. (contributed by @drehak, 3d5b8e5, d3073bc)

Deprecation:

Deprecate horizontalRule and footnote renderers and renderer prototypes. (#187, #201)

2.17.1 (2022-10-03)

Fixes:

Add debugExtensions and debugExtensionsFileName Lua options for debugging user-defined syntax extensions. (#191, #192)
- Add a third optional argument to the reader->insert_pattern() method and increment user_extension_api_version to 2. This change is fully backwards-compatible with the user_extension_api_version of 1. (658fbbe)
- Fix typos in example code for user-defined syntax extensions. (7c6de52, d3195f7)

Documentation:

Move contentBlocksLanguageMap option to the file and directory names section of the technical documentation. (dd564f2)

2.17.0 (2022-09-30)

Development:

Add support for user-defined syntax extensions. (#182)

2.16.1 (2022-08-30)

Fixes:

Fix default rendering of fancy lists in LaTeX. (#179, #180)
Change category code of hash sign (#) to other in the \markdownInput command. (#181, d067ae8)

Deprecation:

Use make4ht instead of htlatex in examples/Makefile. (#183)

Continuous Integration:

Use all available CPU cores for unit tests. (#178)

2.16.0 (2022-08-26)

Development:

Add support for strike-throughs, fenced divs, subscripts, superscripts, and fancy lists. (#149, #160, #162, #168, #170)
Add facade in front of expl3 interface for YAML metadata. (#118, #175)
Add \setupmarkdown and \inputmarkdown commands to ConTeXt. (#17, #176)

Fixes:

Make any ASCII character escapable as per CommonMark. (#163)
Make our implementation of header attributes compatible with jgm/lunamark. (#164, #177)

Documentation:

Add file CHANGES.md with the changelog of the Markdown package.
Add badges for Matrix.org and Discord chat spaces. (2f1104d..acdc989)
Add a link to @xvrabcov's TUG 2022 talk, slides, and example documents to the README. (d422f5c)

Proposals:

Propose support for user-defined syntax extensions. (#172, #174)

Continuous Integration:

Ignore changes to **/README.md. (e39a7aa)

2.15.4 (2022-07-29)

Fixes:

In parsers.specialchar, only include special characters of enabled syntax extensions. (#150, #152)
Avoid nesting \markdownIfOption. (#151)
Make the \markdownSetup and \markdownSetupSnippet commands accept \par tokens. (#130)

Deprecation:

Deprecate TeX Live 2019. (5c861e3)

Refactoring:

Replace xstring with l3str. (contributed by @drehak, #96, #153)
Replace keyval with l3keys (contributed by @drehak, #96, #155, #157)

Continuous Integration:

Add Luacheck. (#154)

2.15.3 (2022-06-29)

Refactoring:

Add a mechanism for extending the Markdown reader and the LaTeX writer. (#138, #143)
Separate the Lua shell escape bridge into the lt3luabridge package. (#140, #141)
Add further reflection capabilities. (#124, #137)

Contributed Software:

Update contributions/book-templates. (contributed by @xvrabcov, b4d892c, a6d5c77)

Deprecation:

The \markdownOptionHelperScriptFileName command will be removed in Markdown 3.0.0. (#141)
The \markdownOptionOutputTempFileName command will be removed in Markdown 3.0.0. (#141)
The \markdownOptionErrorTempFileName command will be removed in Markdown 3.0.0. (#141)
The \markdownMode command will be removed in Markdown 3.0.0. (#141)

Docker:

Remove latest-with-cache tag from Docker images. (04301f0)

Documentation:

Remove dysfunctional badges for Docker from README.md. (ad00b58, 707cad9)
Link to TUG's version of the TUG 2021 video in README.md. (1462411)

Miscellaneous:

As of today, Markdown has 234 stars, 56 forks, and 7 watchers on GitHub. 🥂

2.15.2 (2022-06-01)

Documentation:

Document that no eagerCache makes recursive nesting undefined behavior. (a486b88)
Fix typos in the documentation. (03a172a, ab3ad8d)

Contributed Software:

Update contributions/book-templates. (contributed by @xvrabcov, 8c56288, 78af2fd, b238dbc)
Update contributions/pandoc-to-markdown. (contributed by @drehak, 7cc7edc, 2e7ccfe)
List @TeXhackse's document templates in contributions/README.md.

Continuous Integration:

Fix a typo in Makefile that made it impossible to recover from pkgcheck errors. (33c8c99)

2.15.1 (2022-05-18)

Fixes:

Only let LaTeX's default link renderer prototype produce \ref for relative autolinks (discovered by @drehak, 7f3fd9b, #127)
Ensure that cacheDir exists in witiko/graphicx/http LaTeX theme. (discovered by @drehak, 5145954, #128)

Documentation:

Fix a typo in the documentation. (5e3b149)
Add a link to a preprint from TUGboat 43(1) to the README. (authored by @witiko, @drehak, @michal-h21, and @xvrabcov, 7d47780, e9c7bfc)
Only use the emoji package in TeX Live 2020 and later. (a46ffd2..a8e5838)

Contributed Software:

Update contributions/book-templates. (contributed by @xvrabcov, 9f51cb4, 8d6e5d6)
Update contributions/pandoc-to-markdown. (contributed by @drehak, ac82a5f, 102b1a5)
Add contributions/doctoral-thesis. (a8fbd97)

Continuous Integration:

Add TL2021-historic image to the continuous integration. (a9e3b08)

2.15.0 (2022-03-31)

Development:

Add reflection to the TeX implementation. (#119, 73f699b..30ee46d, 02dd30a)
Add an option to include arbitrary YAML documents. (#117, 78dc62b..93246a4)
Move expl3 interface for YAML metadata from LaTeX to plain TeX. (1ec7931..95d83ba)
Add LaTeX \markdownIfSnippetExists command. (929137a)
Add code key to LaTeX \markdownSetup command. (ef53fae)

Contributed Software:

Add a proof-of-concept of integration Markdown with Pandoc. (contributed by @drehak, #25, c40b51c)
Add LaTeX themes for typesetting books and marketing colaterals. (contributed by @xvrabcov, #104, a7d6d2e)

Fixes:

Use current theme name to resolve \markdownSetup{snippet = ...}. (0c79a80)

Documentation:

Add directory contributions/ with contributed third-party software. (contributed by @drehak and @xvrabcov, c40b51c..9296cf1)
Fix formatting gaffes in the documentation. (97dee2f)
Remove an extra backslash in the user manual. (994d06f)
Move <link> element out of the technical documentation. (18b6241)

2.14.1 (2022-03-01)

Fixes:

Fix default LaTeX renderer prototypes for block HTML comments. (b933d81)

2.14.0 (2022-02-28)

Fixes:

Track nested LaTeX themes with a stack. (69478c0, 00c3e6a)

Development:

Add renderers for inline HTML tags, block HTML elements, and block HTML comments. (#90, e5e28ed, 44affc3)
Add renderers for heading attributes. (#87, #91, cad83f6)
Add relativeReferences Lua option for writing relative autolinks such as <#some-section>. (#87, #91, e7267c0)

Documentation:

Change category code of percent sign (%) before \inputting the output of markdown-cli in LaTeX and ConTeXt examples. (a61e371, 9635d76)

Quality of Life:

Emit an error message when an undefined LaTeX setup snippet is invoked. (9d25074)
Add a trailing newline to the output of markdown-cli. (80b7067)

Default Renderer Prototypes:

Do not use image alt text to produce labels in renderer prototypes. (reported by @writersglen, 1c31c01)
Pass HTML through to TeX4ht. (contributed by @michal-h21, #90, 2f5dcba)
Be lazy about what commands to use for default LaTeX table rules. (contributed by @michal-h21, #90, 03a444a)

Continuous Integration:

Retry failed pkgcheck --urlcheck in Makefile. (3c31baf)
Always upload artifacts, even outside the main branch. (24feb6a)

2.13.0 (2022-01-30)

Fixes:

Disable the parsing of timestamps in YAML metadata. (contributed by @TeXhackse, 75f6f20, 7d18b58, a27fdd9, #116)

Development:

Add markdown document renderers. (2199c22, 4a70b04, #109)
Add an example document for ConTeXt MkIV. (8bbb6ab, #17)

Default Renderer Prototypes:

Redefine default LaTeX codeSpan renderer prototype to work in math mode. (35b53d3, e68a631)
Support the unicode-math LaTeX package. (9d840be, #110)

Continuous Integration:

Produce artefacts and GitHub pages only for the latest Docker tag. (976f074)
Only push the latest Docker image once. (cc78fa1)
Add --urlcheck option to the pkgcheck command in Makefile. (3b4d6a1, d9b2a01)

Docker:

Show the size of the latest Docker image in the README. (1f680a8)

2.12.0 (2021-12-30)

Fixes:

Add default definition for \markdownRendererJekyllDataSequenceEnd. (6c4abe3)

Development:

Preserve trailing spaces in ConTeXt MkIV. (#101)
Add eagerCache Lua option. (#102)
Add hardLineBreaks Lua option. (#98)

Documentation:

Document how we can set Lua options from plain TeX and both Lua options and plain TeX options from LaTeX (#105)
Update link to TUGboat 42(2) article from preprint to archival version. (715f53c)
Add two articles from the CSTUG Bulletin 2021/1-4 to the README. (76da1d6)
Escape percent signs in code examples in techdoc (7d6ca54)

Default Renderer Prototypes:

Make content blocks automatically \input TeX files. (c798106)

Docker:

Build and publish Docker images for historical TeX Live versions. (#111)

2.11.0 (2021-10-01)

Fixes:

Remove a spurious print when handling the texComments Lua option. (4ee94ec)
Escape escaped_minimal_strings even in hybrid mode. (c1fd53b)
Make assignments in writer->set_state() and writer->defer_call() local. (9261349)
Don't let default LaTeX renderer prototype for ulItem gobble next token. (reported by @writersglen, 8d8023f)
In LaTeX, prevent \@ifundefined from making \markdownOptionTightLists into \relax.
Fix even backslashes before newline being gobbled by the texComments Lua option. (9ca0511)

Development:

Add taskLists Lua option for writing task lists. (suggested by @xvrabcov, #95)
Add jekyllData Lua option for writing YAML metadata. (contributed by @TeXhackse, #22, #77)

Documentation:

Add a link to @witiko's TUG 2021 talk, preprint, and slides to the README. (4b89f84, 6f61e48, 745a6f3, 99b1041, 872fb4d)
Add a cornucopia of badges to the README. (60f7033, 8e9a34c)
Use HTTPS links for CTAN in the README. (b068b65, a743b06)
Use emoji in the technical documentation. (ccfcaf4)
Add block and sequence diagrams to the technical documentation. (6168473, 0b4bb91, 5fd2e19, 3b4af9c, 4e99cb9, cbccf36, a7f9a60, 48d5a21)
Add index to the technical documentation. (3ee5a99, 32d93e8)
Add a list of figures to the technical documentation. (48d5a21)
Use varioref in the technical documentation. (2f8e85e)
Describe Lua command-line interface (CLI) in the README. (ba27b51, 1ad85a2)
Publish user manual to GitHub Pages. (4a812a4, 4f1f349)
Document that the hybrid option is false by default. (955d7c1)
Show how tugboat.bib can be used to cite the Markdown package. (7e20eee)

Continuous Integration and Distribution:

Rename master branch to main. (513de1f)
Make make implode clean up auxiliary markdown files. (fe25ae9)
Add Dockerfile and make continuous integration use Docker image. (#97, cbc0089, f64bfa5, 8a7b656, e185547, 1bb7075)
Rebuild the Docker image every Monday at 4:30AM (UTC). (c9f87a9, 28b0e93)
Automatically prerelease the latest version. (cd7fbd2)
Use MarkdownLint in continuous integration. (2440659, aa1e14b)
Test Lua command-line interface in continuous integration. (6a84f98, 4e28ef0)
Matrix-test all supported TeX Live versions. (69b9edc)

2.10.1 (2021-08-31)

Fixes:

Always enable texComments when hybrid is enabled. (715d025)
Make the preprocessor of TeX comments surjective. (6021dd5)

2.10.0 (2021-08-07)

Fixes:

String text and parenthetical citations. (e6026c1)
Escape autolink labels even when hybrid mode is enabled. (reported by @iwelch, 693e134)
Protect LaTeX strong emphasis renderer prototype and make it detect font. (reported by @iwelch, 89a031a)
Let users name their documents markdown.tex. (reported by @mmarras, cb50d4, 9d21141)
Support deferred content (footnotes, links, and images) with slicing. (edbdced)
Support tables with slicing. (5a61511)
Increment markdownFrozenCacheCounter globally. (c151cbc)
Change the category code of the percent sign to other in \markdownInput. (b21fac4, 4d025e1, 5b1625f, 6f24307)
Add \startmodule command to the ConTeXt module. (9f2ec1d)
Add a missing local qualifier to the definition of a local variable. (1153afb)
Don't allow LaTeX list item renderers to consume surrounding text. (reported by @nbubis, cb79225)

Development:

Add the theme LaTeX option. (39ab6f3, 8699eb4, a1ae258, ea9c237, 3740742, 67aaf40)
Add the stripIndent Lua option. (b94dda5, 5757067, 654624c)
Add the texComments Lua options. (c439a0f, 5f7c5e3, 744bcdb, 1ec06f4, b74fd01, 2dd76f1)
Add support for LuaMetaTeX. (f004170, 905c832, 575a1e0, f93a353)
Add the inlineHtmlComment renderer. (bf54b2f)
Add the plain LaTeX package option. (af9c0d6)
Add the snippet LaTeX option. (b43024f, 438f075, 2960810)

Debugging:

Add helpful messages to read/write errors. (contributed by @drehak, d22cd25)
Make ConTeXt/LaTeX use their info/warning/error commands during loading. (a638a91)

Documentation:

Remove deprecated filecontents package from examples. (dd2dc1c)
Fix a typo in the user manual. (13f056)
Fix code style in the user manual. (416c24e)
Update out-of-date-documentation. (713ec92)
Add Making Markdown into a Microwave Meal article into the README. (4698224)
Add a link to @witiko's PV212 talk to the README. (e5e8708)
Fix overlong lines in the documentation. (34e9f4f)
Update installation documentation. (b3957a8)
Fix a typo in the documentation of expandtabs. (3e55507)
Remove unnecessary footnotes option from the inlineFootnotes example. (30792ef)
Fix a typo in the documentation of \markdownRendererOlItemWithNumber. (d05df9d)
Fix errors in the documentation markup. (a6a0059)
Remove multiply-defined refs in documentation. (ab99a30)

Licensing:

Bump the copyright year. (9462f17)
Sublicense the code as LPPL v1.3c. (609aeee)

Tests:

Remove xtrace from test.sh for less verbose output. (b307ee6)
Treat all files as text with GNU diff in test.sh. (ec89e6d)
Print full TeX log when there is an error in a unit test. (7640c20)

Distribution:

Add banner.png to the CTAN distribution. (fe107d6)
Add base Makefile target. (41ab71a)

Continuous integration:

Convert CircleCI configuration to GitHub Actions workflow. (0f77bc5)
Add shellcheck. (27e825b)
Upload artifacts in GitHub Actions workflows. (12e3585, e696d41)
Install Graphviz in continuous integration. (3ebf0c9, 4ef340c)
Test that the number of pages in typeset documentation is sane. (048b7fc)

Miscellanea:

Use \@ifdefined and \@onlypreamble in LaTeX code. (40b77f4)

2.9.0 (2020-09-14)

Development:

Add support for finalizing and freezing the cache.

Fixes:

Fix default definition of markdownRendererAmpersandPrototype.
Remove redundant \label in contentBlocks LaTeX renderer prototype.
Make LaTeX and ConTeXt implementations also expand \markdownEnd.
Fortify I/O in Lua with additional asserts.

Documentation:

Fix links in the documentation.
Fix typos in the documentation.
Remove deprecated filecontents package.
Do not use package xcolor.
Add blank lines to README.md.
Add Citing Markdown section to README.md.
Add banner to README.md.
Cite new CSTUG Bulletin article.

Continuous integration:

Use TeX Live 2020.

Miscellanea:

Update distribution packaging according to CTAN requirements.

2.8.2 (2020-03-20)

Fixes:

Add example-image.png to the Git repository (closes issue #49).
Require that text citations are not preceded by non-space characters.
Add a line ending at the end of markdown file in case there is none.
Do not assume \markdownInput input comes from \markdownOptionOutputDir (closes issue #57).

Documentation:

Extend the abstract of the Markdown package.
Document continuous integration and the Makefile.
Properly highlight the syntax of shell commands in user manual.
Add CSTUG bulletin articles to the README.

Miscellanea:

Upgrade continuous integration from TeX Live 2019 to TeX Live 2020 pretest.

2.8.1 (2019-04-30)

Fixes:

Correctly produce the user manual for CTAN.
Complete the support for named HTML entities (closes issue #36).

Documentation:

Document the precise behavior of the preserveTabs Lua option (closes issue #38).
Acknowledge Lian Tze Lim and Overleaf in the README.
Link TUGboat journal articles from the README.
Link the Markdown package installation from the README.

Miscellanea:

Upgrade continuous integration from TeX Live 2019 pretest to TeX Live 2019.

2.8.0 (2019-04-27)

Development:

Added the pipeTables Lua option that enables the PHP Markdown table syntax extension, the tableCaptions Lua option that enables the Pandoc table_captions syntax extension, and the table token renderer. Thanks to David Vins and Omedym for sponsoring the development of table support.
Added the shiftHeadings Lua option for shifting section levels, which extends the content slicing capabilities of the Markdown package. Thanks to David Vins and Omedym for sponsoring the development of content slicing.

Documentation:

Update README links to Markdown examples and tutorials by Lian Tze Lim and Overleaf.

Fixes:

Remove an unreachable branch of the parsers.line parser.

2.7.0 (2019-04-05)

Development:

Added Natbib citation renderer to LaTeX.
Added the slice Lua option for content slicing – typesetting only certain parts of a markdown document. Thanks to David Vins and Omedym for sponsoring the development of content slicing.

Fixes:

Stopped using the possibly active ASCII double quote characters (") after the \input TeX command.
Added space before the second parameter in the basic LaTeX citation renderer.
Fixed the outputDir Lua option, which enables the use of the -output-directory TeX option.
Added support for Lua 5.3, which has been part of LuaTeX since 1.08.
Fixed the non-terminating LaTeX citation renderers for BibTeX and Natbib.
Fixed the capability of the unit testing script to add expected outcome to unfinished testfiles.

Documentation:

Finished the user manual.
Removed spurious commas in the documentation.
Used CTAN-compatible markdown markup in the README.

Miscellaneous:

Made the unit testing script write Lua stack trace to the terminal when a test fails.

2.6.0 (2018-04-09)

Except for some minor changes in the README document, this version is identical to version 2.5.6. The author realized that they had forgotten to increase the minor version number despite adding a significant amount of new functionality.

2.5.6 (2018-04-08)

Development:

Added a Lua command-line interface.
Added the stripPercentSign Lua option for using markdown in TeX package documentation.

Fixes:

Fixed TeX Live 2013 minted package detection.
Fixed the default LaTeX hyperlink renderer prototype to correctly typeset hash signs.
Fixed lonely level four and five headings not being rendered in LaTeX.
Removed the no-op outputDir Lua option.

Documentation:

Added a user manual.
Added information for contributors to the README document.
Increased portability of the technical documentation by using a built-in BibLaTeX style.
Rewrote the technical documentation in markdown using the new stripPercentSign Lua option.

Miscellaneous:

Tuned the continuous integration service configuration, so that tests run under 15 minutes.

2.5.5 (2018-01-08)

Documentation:

Fixed a typo in section 2.2.1.
Documented that the contentBlocksCode renderer receives five arguments.
Updated information in the documentation bibliography.
Incremented the year in copyright notices.

2.5.4 (2017-09-12)

Fixes:

\markdownInfo writes only to the log in the plain TeX implementation.
\markdownInfo and \markdownWarning start a new line in the plain TeX implementation.
Lua errors are now caught even with shell escape.

Development:

Added an outputDir option that enables the use of the TeX -output-directory option.

2.5.3 (2017-05-07)

Fixes:

Added a missing file examples/scientists.csv to the CTAN archive.

Documentation:

Added examples into the TDS archive.
Replaced tux in the examples with a generic example image.

Development:

Updated the code for initializing testfiles.

2.5.2 (2017-04-28)

Fixes:

Added proper support for trailing internal punctuation in citations.

2.5.1 (2017-04-27)

Fixes:

Tab-indented fenced code is now supported.
Added missing underscore to parsers.internal_punctuation.
Removed unnecessary internal punctuation escaping ($&~) in citations.

Documentation:

Corrected typo in bibliography.

2.5.0 (2017-04-10)

New features:

Added the codeSpans and underscores options.

Documentation:

Reordered options alphabetically.

2.4.0 (2017-03-27)

Fixes:

Fixed the number of arguments in the \markdownError dummy definition.

New features:

Added the iA Writer content blocks syntax extension.

Documentation:

Fixed errors in the Lua interface documentation.
Fixed a typo in the tests/templates directory documentation.

Development:

Added parallelized unit testing.

2.3.0 (2017-01-05)

Fixes:

ConTeXt module no longer mishandles active characters from \enableregime.
Shell access is no longer necessary with ConTeXt MarkIV.
The default renderers now render strong emphasis using a bold font face rather than a bold-italic font face.
Lazy blockquotes are now parsed properly.

New features:

Added optional HTML support; when the support is enabled, the Markdown reader will recognize HTML elements, entities, instructions, and comments in the input.
Added optional breakable blockquotes support; when the support is enabled, blockquotes can be split apart using blank lines.

Documentation:

Documented the behavior of the -output-directory TeX option.

Development:

Removed unnecessary PEG patterns.
PEG patterns are now hash table entries rather than local variables; this was a necessary step due to the local variable number limit. This change was also backported to and merged by the upstream project.
The unit test templates now use M4 instead of ad-hoc sed string replacement.
The Lua text buffering routine was removed as it only introduced complexity to the package with no tangible benefits. All text buffering is now done in TeX. As a corrolary, the \markdownLuaRegisterIBCallback and \markdownLuaUnregisterIBCallback macros have been deprecated.

2.2.2 (2016-12-09)

Fixes:

Inline footnotes can now be enabled via the LaTeX interface.

Development:

Added inline footnotes to the example documents.

2.2.1 (2016-12-07)

New features:

Added Pandoc-style inline footnotes.

2.1.3 (2016-09-15)

Fixes:

LaTeX implementation doesn't load paralist in beamer unless requested.

2.1.2 (2016-09-14)

Fixes:

Unordered list items now may begin with a bulletchar.

Documentation:

Expanded the documentation on hashEnumerators.

2.1.1 (2016-09-06)

Fixes:

The citations extension should now be fully compliant with the Pandoc spec.
The citationNbsps option now also affects newlines, as is expected.
The default \markdownOptionCacheDir explicitly specifies the current working directory, so that the cache files are not sought in the TeX directory structure.

Documentation:

Added information about the supported LuaTeX versions.
Added information about the portable use of the package.

Development:

All the syntax extensions (fenced code blocks and citations) were merged by the upstream project.

2.1.0 (2016-08-29)

New features:

Added Pandoc-style citations and CommonMark fenced code blocks syntax extensions.
Added the following renderers:
- interblockSeparator,
- ulItemEnd, olItemEnd, dlItemEnd,
- nbsp, cite, textCite, and
- inputFencedCode.
Added the following Lua options:
- citations, citationNbsps,
- fencedCode, and blankBeforeCodeFence.

Changes in behavior:

Replaced the - character in the default \markdownOptionCacheDir with _.
The cache filenames are now different based on the version of the package.
Code spans may now be empty.

Fixes:

The conversion from Markdown should now produce consistent behavior no matter if the input of the conversion function ends with \n\n, \n, or nothing.
LaTeX interface rendererPrototypes keys for the pipe, link, and image renderers no longer incorrectly set the \markdownRenderers<Renderer> macros rather than the \markdownRenderers<Renderer>Prototype macros.

2.0.2 (2016-08-17)

Fixes:

Fixed nested keyval handling inside \markdownSetup et al.

2.0.1 (2016-08-15)

Fixes:

Make the programming more defensive, so that the package works correctly under TeXLive 2012.

Development:

Added the package to a continuous integration service.

2.0.0 (2016-08-15)

New features:

Added raw unescaped URI to the link and image renderer arguments. (This breaks backwards compatibility, hence the major version number bump.)
Added renderers for plain TeX and ConteXt special characters.

Fixes:

Make autolinks work by preventing Str from consuming <.
Non-found footnote ref no longer outputs unescaped text.
Catcode of | is now other in \markdownReadAndConvert for ConTeXt.
Restore escapability of <, > to enable escaping of autolinks.

Development:

Added a suite of tests.

1.0.1 (2016-06-06)

New features:

Added the tightLists Lua interface option.

1.0.0 (2016-06-04)

The first release.

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2.15.1 (2022-05-18)

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2.13.0 (2022-01-30)

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2.11.0 (2021-10-01)

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2.10.0 (2021-08-07)

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2.8.2 (2020-03-20)

2.8.1 (2019-04-30)

2.8.0 (2019-04-27)

2.7.0 (2019-04-05)

2.6.0 (2018-04-09)

2.5.6 (2018-04-08)

2.5.5 (2018-01-08)

2.5.4 (2017-09-12)

2.5.3 (2017-05-07)

2.5.2 (2017-04-28)

2.5.1 (2017-04-27)

2.5.0 (2017-04-10)

2.4.0 (2017-03-27)

2.3.0 (2017-01-05)

2.2.2 (2016-12-09)

2.2.1 (2016-12-07)

2.1.3 (2016-09-15)

2.1.2 (2016-09-14)

2.1.1 (2016-09-06)

2.1.0 (2016-08-29)

2.0.2 (2016-08-17)

2.0.1 (2016-08-15)

2.0.0 (2016-08-15)

1.0.1 (2016-06-06)

1.0.0 (2016-06-04)