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You are working on the authlib/authlib repository. The source code is checked out at /testbed at commit…

You are working on the authlib/authlib repository. The source code is checked out at /testbed at commit…: a task in SWE-Lego-RL-2699 (Harbor dataset). Authlib should return a bad request http response (400) when any of the redirect uris contains a fragment identifier…

The task

Authlib should return a bad request http response (400) when any of the `redirect_uris` contains a [fragment identifier](https://en.wikipedia.org/wiki/URI_fragment) at client registration.

Part of Lego-X/Lego-RL-2699.