Re: character references, trailing ';', urls

Jorge wrote:
> On Sun, May 04, 2014 at 09:09:48PM +0000, eocene wrote:
> > This msg says that it was changed because it wasn't required under
> > certain conditions. HTML4 spec gives it as:
> > 
> >   Note. In SGML, it is possible to eliminate the final ";" after a
> >   character reference in some cases (e.g., at a line break or
> >   immediately before a tag). In other circumstances it may not be
> >   eliminated (e.g., in the middle of a word). We strongly suggest
> >   using the ";" in all cases to avoid problems with user agents that
> >   require this character to be present.
> > 
> > 
> > ...and there's an "IIRC" in the msg that XHTML requires it.
> > 
> > The HTML5 spec requires a terminating ';' in all cases.
> 
>   Then, it looks like requiring it again in this case may be
> the way to go (I seem to recall there were lots of unterminated NBSP).

Are you saying always for html5, (probably) always for xhtml, and for
attributes with html4?
 
>   A long long time ago people thought that SGML was the final
> solution, then XML, then HTML5, now they're looking for an
> alternative technology to base the web upon...

Where have they been talking about an alternative technology?