You can practice editing articles on pixiv Encyclopedia using the Sandbox Article.
In the Sandbox Article, you can practice the notation used on pixiv Encyclopedia, and check how your update will be viewed by others once it goes live.
Anyone can use the Sandbox Article for practice, so feel free to test it anytime.
When you are finished using the Sandbox Article, please delete your content to make it easier for others to use the article later.
If you would like to check edits to the article, try using the edit history.
About edits history
Points of note
Do not delete the section in the summary explaining how to use the Sandbox Article.
Do not post content that violates the Guidelines.
In principle, articles posted to pixiv Encyclopedia cannot be deleted, so please do not post new articles to test them.
Access the Sandbox Article here:
https://dic.pixiv.net/en/a/Sandbox%20Article