Re: emacs-26 c87d04e: Avoid aborts in 'md5'

[Eli Zaretskii]

> From: Michael Albinus <address@hidden>
> Cc: Eli Zaretskii <address@hidden>
> Date: Wed, 28 Feb 2018 09:30:59 +0100
> 
> > +  if (!STRINGP (object))
> > +    signal_error ("Invalid object argument",
> > +             NILP (object) ? build_string ("nil") : object);
> >    return SSDATA (object);
> >  }
> 
> Don't we call CHECK_STRING (object) in such cases, which raises the
> standardized error Qwrong_type_argument?

Using CHECK_STRING would produce a misleading error message, because
the APIs that call extract_data_from_object accept objects other than
strings.