# Onebox im Details-Tag

**URL:** <https://meta.discourse.org/t/onebox-in-details-tag/99975>\
**Category:** Support\
**Created:** [19. Oktober 2018 um 10:38 UTC](https://meta.discourse.org/t/onebox-in-details-tag/99975 "2018-10-19T10:38:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![robmc](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/robmc/32/125900_2.png) [@robmc](https://meta.discourse.org/u/robmc)\
**Post date:** [19. Oktober 2018 um 10:57 UTC](https://meta.discourse.org/t/onebox-in-details-tag/99975/2 "2018-10-19T10:57:01Z")

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Hi @volas

This is not a bug. It has to do with the way that the encoding works with markdown.

This is true for all oneboxing activity, as per this note:

> [@Creating rich link previews with Onebox](https://meta.discourse.org/t/creating-rich-link-previews-with-onebox/98088/1):
>
> All URLs that are within `Spoiler` or `Hide Detail` tags will be mini-oneboxed only

As you say, if you need to insert a video in a `details` tag then you can use the HTML approach instead

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_[View the full topic](https://meta.discourse.org/t/onebox-in-details-tag/99975)._