400th issue

[onu032001]

This is not a 400th issue. Here is the issue:

Why can I graph Zkern's YouTube video thumbnail?
I know that Microsoft Windows is widely used operating system, but there's too many issues for Microsoft Windows Graphing Calculator which is also widely used for high school students and university students.
Here is the proof of Zkern's YouTube video thumbnail inside an expression input:

Can someone fix this issue? This is not a 400^th issue, I want to be answered.

[jdraggy]

Don't be celebrated. This is a serious issue.

[onu032001]

@jdraggy, I fixed the issue content from be celebrated to be answered.