bug#24982: 24.5; way to let Elisp reader ignore unreadable #(...) constructs

[Drew Adams]

> >> > Enhancement request:
> >> > Provide a Boolean variable or a wrapper macro that has the effect of
> >> > not raising an error but just skipping over any unreadable #(...)
> >> > construct.
> >>
> >> There is such macro called ‘ignore-errors’.
> >
> > No.  That ignores all errors.
> >
> > Is there an error handler that covers all and only #(...) read errors?
                                              ^^^^^^^^
> Then you can use something like
>   (condition-case err
>       (read (current-buffer))
>     (invalid-read-syntax err))
> that for example for unreadable #<marker ...> returns
>   (invalid-read-syntax "#")

And (read ")((") gives (invalid-read-syntax ")").
So it's not specific to unreadable #(...) or #....