bug#74879: 30.0.92; trusted-content-p and trusted-files cannot be used for non-file buffers

[Ihor Radchenko]

Eli Zaretskii <eliz@gnu.org> writes:

> The question is serious: how do we envision this "trust" thing to work
> with buffers that don't visit files?  If we are to change the code,
> certainly on the emacs-30 branch, we need a solid solution which
> provides more safety/security to users.  Adding a variable doesn't
> solve a problem, it _adds_ a problem (how to populate the variable).

Let me try.

If buffer contents is not coming from a file, it must be generated by
some Elisp code. That code may as well set trust status.
For example, *scratch* buffer may have its contents (automatically
generated) marked as trusted by default.

Does it make sense?

-- 
Ihor Radchenko // yantar92,
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