bug#70142: [PATCH] Fix error messages containing format strings

Hi Michael,

Michael Käppler <[email protected]> skribis:

> The reason is that format strings occurring in the message are
> escaped, see `module/ice-9/boot-9.scm`  and
> `module/language/tree-il/primitives.scm`.
>
> So a call of
>
> `(error "Wrong argument: ~a" 42)`
>
> is rendered as
>
> "Wrong argument: ~a 42"
> Some callers did not take this behavior into account.

Good catch, applied.  Thanks!

Ludo’.