diff options
Diffstat (limited to 'docs/content/references/hfm.md')
| -rw-r--r-- | docs/content/references/hfm.md | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/docs/content/references/hfm.md b/docs/content/references/hfm.md new file mode 100644 index 00000000..14edb2e4 --- /dev/null +++ b/docs/content/references/hfm.md @@ -0,0 +1,116 @@ +# HedgeDoc Flavored Markdown + +HedgeDoc mostly follows the [CommonMark][commonmark] standard. It shares some extensions with the [GFM][gfm] standard, but for historical reasons HedgeDoc does support not exactly GFM, but a bit more in places (and a bit less in other places). + +These tables will tell you what exactly we support in HedgeDoc 1.x (HFM 1) and will support in HedgeDoc 2 (HFM 2). + +**Please keep in mind that HedgeDoc 2 is still in development and not functional yet.** + + +## Typography + + +| Feature | HFM 1 | HFM 2 | CommonMark | GFM | +|---------------|:-----:|:-----:|:-------------------:|:-----------------:| +| bold | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| italic | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| underline | :ballot_box_with_check: | :ballot_box_with_check: | (:ballot_box_with_check: with `<ins>`) | (:ballot_box_with_check: with `<ins>`) | +| strikethrough | :ballot_box_with_check: | :ballot_box_with_check: | (:ballot_box_with_check: with `<del>`) | :ballot_box_with_check: | +| subscript | :ballot_box_with_check: | :ballot_box_with_check: | (:ballot_box_with_check: with `<sub>`) | (:ballot_box_with_check: with `<sub>`) | +| superscript | :ballot_box_with_check: | :ballot_box_with_check: | (:ballot_box_with_check: with `<sup>`) | (:ballot_box_with_check: with `<sup>`) | +| marked | :ballot_box_with_check: | :ballot_box_with_check: | (:ballot_box_with_check: with `<mark>`) | (:ballot_box_with_check: with `<mark>`) | + +## Extended typography features + +| Feature | HFM 1 | HFM 2 | CommonMark | GFM | +|--------------------------------|:-----:|:-----:|:----------:|:---:| +| heading | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| inline code | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| indented code blocks | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| code block with language[^highlight] | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| code block with extra features[^extra-code] | :ballot_box_with_check: | :ballot_box_with_check: | | | +| block quote | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| name tag (`[name=...]`) | (:ballot_box_with_check:)[^in-bq-list] | :ballot_box_with_check: | | | +| time tag (`[time=...]`) | (:ballot_box_with_check:)[^in-bq-list] | :ballot_box_with_check: | | | +| color tag (`[color=...]`) | (:ballot_box_with_check:)[^in-bq-list] | :ballot_box_with_check: | | | +| unorderd list | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| ordered list | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| task list | :ballot_box_with_check: | :ballot_box_with_check: | | :ballot_box_with_check: | +| defition list | :ballot_box_with_check: | :ballot_box_with_check: | | | +| emoji | [Unicode 6.1][unicode-6] | [Unicode 13][unicode-13] | | | +| [ForkAwesome][fa] | :ballot_box_with_check: with `<i class='fa'>` | :ballot_box_with_check: with shortcodes | | | +| LaTeX | :ballot_box_with_check:[^mj] | :ballot_box_with_check:[^kt] | | | + +[^highlight]: Code-blocks with a given language are rendered with syntax-highlighting for the code. +[^extra-code]: Several special "language" keywords can be used for rendering diagrams, charts, etc. +[^in-bq-list]: Use of these tags is only supported within blockquotes or (un)ordered lists. +[^mj]: LaTeX is rendered with [MathJax][mathjax]. +[^kt]: LaTeX is rendered with [KaTeX][katex]. + +## Links & Images + +| Feature | HFM 1 | HFM 2 | CommonMark | GFM | +|-----------------------|:-----:|:-----:|:----------------:|:----------------:| +| link | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| link reference | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| link title | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| autolink with `<>` | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| autolink without `<>` | :ballot_box_with_check: | :ballot_box_with_check: | | :ballot_box_with_check: | +| footnotes | :ballot_box_with_check: | :ballot_box_with_check: | | | +| image | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| image with given size | :ballot_box_with_check: | :ballot_box_with_check: | (:ballot_box_with_check: with `<img>`) | (:ballot_box_with_check: with `<img>`) | +| table of contents | :ballot_box_with_check: | :ballot_box_with_check: | | | + + +## Structural elements + +| Feature | HFM 1 | HFM 2 | CommonMark | GFM | +|-------------------|:------------------------:|:------------------------:|:--------------------:|:--------------------:| +| table | :ballot_box_with_check: | :ballot_box_with_check: | (:ballot_box_with_check: with `<table>`) | :ballot_box_with_check: | +| horizontal line | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | +| collapsable block | (:ballot_box_with_check: with `<details>`) | :ballot_box_with_check: | (:ballot_box_with_check: with `<details>`) | (:ballot_box_with_check: with `<details>`) | +| Alerts | :ballot_box_with_check: | :ballot_box_with_check: | | | + +## Embeddings +HFM1 included support for certain embeddings of external content. These were defined in markdown by the uncommon `{%keyword parameter %}` syntax. + +Instead of this uncommon syntax, HFM2 uses just plain links to external content and creates embeddings for supported providers. + +| Feature | HFM 1 | HFM 2 | CommonMark | GFM | +|--------------------------|:-----:|:------------------:|:----------:|:---:| +| PDF (`{%pdf ... %}`) | :ballot_box_with_check: | removed | | | +| [YouTube][youtube] (`{%youtube ... %}`) | :ballot_box_with_check: | with plain link[^embed] | | | +| [Vimeo][vimeo] (`{%vimeo ... %}`) | :ballot_box_with_check: | with plain link[^embed] | | | +| [Slideshare][slideshare] (`{%slideshare ... %}`) | :ballot_box_with_check: | removed | | | +| [Speakerdeck][speakerdeck] (`{%speakerdeck ... %}`) | :ballot_box_with_check: | removed | | | +| [GitHub Gist][gist] (`{%gist ... %}`) | :ballot_box_with_check: | with plain link[^embed] | | | + +[^embed]: The special syntax is deprecated but will continue to work. However a plain link to the content will generate the same embedding and is preferred. + +## HTML +Besides the basic HTML typography elements (`<p>`, `<a>`, `<b>`, `<ins>`, `<del>`) the following more special HTML elements are supported by some specification. + +| Feature | HedgeDocMark 1 | HedgeDocMark 2 | CommonMark | GFM | +|:-------------:|:--------------:|:--------------:|:----------:|:---:| +| `<title>` | | | :ballot_box_with_check: | | +| `<textarea>` | | :ballot_box_with_check: | :ballot_box_with_check: | | +| `<style>` | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | | +| `<xmp>` | | | :ballot_box_with_check: | | +| `<iframe>` | :ballot_box_with_check: | :ballot_box_with_check: | :ballot_box_with_check: | | +| `<noembed>` | :ballot_box_with_check: | | :ballot_box_with_check: | | +| `<noframes>` | :ballot_box_with_check: | | :ballot_box_with_check: | | +| `<script>` | | | :ballot_box_with_check: | | +| `<plaintext>` | | :ballot_box_with_check: | :ballot_box_with_check: | | + +[fa]: https://forkaweso.me/ +[youtube]: https://www.youtube.com/ +[vimeo]: https://vimeo.com/ +[slideshare]: https://www.slideshare.net/ +[speakerdeck]: https://speakerdeck.com/ +[gist]: https://gist.github.com/ +[mathjax]: https://www.mathjax.org/ +[katex]: https://katex.org/ +[gfm]: https://github.github.com/gfm/ +[commonmark]: https://spec.commonmark.org/ +[unicode-6]: https://unicode.org/versions/Unicode6.1.0/ +[unicode-13]: https://unicode.org/versions/Unicode13.0.0/ |