# Does Obsidian not support CommonMark inside HTML5?

**URL:** <https://forum.obsidian.md/t/does-obsidian-not-support-commonmark-inside-html5/106711>\
**Category:** Help\
**Created:** [October 10, 2025, 9:39pm UTC](https://forum.obsidian.md/t/does-obsidian-not-support-commonmark-inside-html5/106711 "2025-10-10T21:39:07Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![RokeJulianLockhart](https://forum.obsidian.md/user_avatar/forum.obsidian.md/rokejulianlockhart/32/85762_2.png) [@RokeJulianLockhart](https://forum.obsidian.md/u/RokeJulianLockhart)\
**Post date:** [October 11, 2025, 9:57am UTC](https://forum.obsidian.md/t/does-obsidian-not-support-commonmark-inside-html5/106711/5 "2025-10-11T09:57:57Z")

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@CawlinTeffid, thanks. In which case, I’d have recommended that someone update the documentation. However, it doesn’t appear to be [F]OSS:

> [@Is it true that Obsidian is already open source?](https://forum.obsidian.md/t/is-it-true-that-obsidian-is-already-open-source/46413/9):
>
> Is obsidian code released with an open source license (MIT, GPL, etc) ? No.
> 
> Is a (minified/obfuscated/packed) version of the code available within electron? Yes.

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