bug#1215: 23.0.60; unibyte->multibyte conversion problem (in

[Eli Zaretskii <eliz@gnu.org>]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Fri, 16 Jan 2009 15:56:44 -0500
> Cc: 1215@emacsbugs.donarmstrong.com
> 
> > but according to raw-text-unix's description:
> 
> >   t -- raw-text-unix
> 
> >   Raw text, which means text contains random 8-bit codes.
> >   Encoding text with this coding system produces the actual byte
> >   sequence of the text in buffers and strings.  An exception is made for
> >   eight-bit-control characters.  Each of them is encoded into a single
> >   byte.
> 
> > you can save (almost) anything with it. What is the bug?
> 
> The bug is that you can currently save (almost) anything with it.  This is
> due to historical reasons, where different notions of "no encoding" were
> mixed up.  So on save, raw-text-unix behaves pretty much like
> utf-8-mule under Emacs-23 and emacs-mule under Emacs-22.  On load, it
> behaves pretty much like `binary'.

I documented this in the ELisp manual.