# In onebox, \`&\` become \`&\`

**URL:** <https://meta.discourse.org/t/in-onebox-become-amp/59153>\
**Category:** Support\
**Created:** [15.Март.2017 13:12:25 UTC](https://meta.discourse.org/t/in-onebox-become-amp/59153 "2017-03-15T13:12:25Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Mittineague](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/mittineague/32/114259_2.png) [@Mittineague](https://meta.discourse.org/u/Mittineague)\
**Post date:** [15.Март.2017 13:21:26 UTC](https://meta.discourse.org/t/in-onebox-become-amp/59153/2 "2017-03-15T13:21:26Z")

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So the URL will be valid?

> **[List of Validator errors and their explanation - Error Explanations for The W3C...](https://validator.w3.org/docs/errors.html#hasverbose)**
>
> Below are all the validator's error messages for which we have an "explanation". | W3C's easy-to-use
> markup validation service, based on SGML and XML parsers.

> This is usually a cascading error caused by a an undefined entity reference or use of an unencoded ampersand (&) in an URL or body text.

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