bug-reporting instructions are out of date

[patrick-brian-mooney]

The page https://common-lisp.net/project/lispbox/ contains the sentence

If you would like to report a bug or make a suggestion, please send a message to the development mailing list.

The link to the development mailing list goes to https://common-lisp.net/mailman/listinfo/lispbox-devel , which is simply a 404 page.