# CommonMark testing started here!

**URL:** <https://meta.discourse.org/t/commonmark-testing-started-here/65121>\
**Category:** Feature\
**Created:** [June 26, 2017, 12:44pm UTC](https://meta.discourse.org/t/commonmark-testing-started-here/65121 "2017-06-26T12:44:40Z")\
**Posts on this page:** 1\
**Showing post:** 39

<div class="post-metadata">

**Author:** ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)\
**Post date:** [June 28, 2017, 11:23am UTC](https://meta.discourse.org/t/commonmark-testing-started-here/65121/39 "2017-06-28T11:23:59Z")

</div>

You need to write it

```plaintext
[details=Summary]
This text will be hidden
[/details]

```

> **Summary**
>
> This text will be hidden

> [@Details markup not working correctly in messages](https://meta.discourse.org/t/details-markup-not-working-correctly-in-messages/52967/7):
>
> Because details is a “block” level construct, we never meant to support it inline. That was a bug.

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