Proposal: Permalink structure tags grouping Mandatory and Available

[ounziw]

Permalink structure setting page wp-admin/options-permalink.php) allows custom structure.

Since Permalink should be unique, it needs %post_id% or %postname%.
​https://wordpress.org/support/article/using-permalinks/(Using Permalinks)

It might be helpful if the setting page notifies that %post_id% or %postname% is mandatory.

[ounziw]

Permalink setting page proposal