Re: XeTeX encoding problem

[Masamichi HOSODA]

> I've finally finished this. It does appear a bit faster as well as
> being simpler. Where it could potentially break is chapter names with
> non-ASCII characters, and index entries with non-ASCII characters, as
> well as macros using non-ASCII characters (either in the macro
> definition or in the arguments), as well as macros giving chapter
> names and index entries. I'll do a bit more testing later.
> 
> Masamichi, does the native multibyte support still work well? Is there
> any more that you wanted to do with it? If it looks good we should
> look to releasing it as an official version for non-developers.

I've noticed an issue of texinfo.tex ver. 2016-03-06.18.
It can not compile the attached texi file.

Here is the error message.

```
$ pdftex test-copying.texi
This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015/Cygwin) 
(preloaded format=pdftex)
 restricted \write18 enabled.
entering extended mode
(./test-copying.texi (./texinfo.tex Loading texinfo [version 2016-03-06.18]:
pdf, fonts, markup, glyphs, page headings, tables, conditionals, indexing,
sectioning, toc, environments, defuns, macros, cross references, insertions,
(/usr/share/texmf-site/tex/generic/epsf/epsf.tex
This is `epsf.tex' v2.7.4 <14 February 2011>
) localization, formatting, and turning on texinfo input format.)
(/usr/share/texmf-site/tex/texinfo/txi-de.tex)
! Missing number, treated as zero.
<to be read again>
                   {
"->{
    @tt @char 34}
l.2 address@hidden "
              7F u}
@scanmacro ...atspaces address@hidden address@hidden }
                                                  @aftermacro
@scanexp ...temp address@hidden @scanmacro address@hidden
                                                  @egroup
@insertcopying ...ent = 0pt @scanexp @copyingtext
                                                  @endgroup
l.10 @insertcopying

?
```

All the following engines fail.
LuaTeX 0.89.2
XeTeX 0.99992
XeTeX 0.99995
pdfTeX 1.40.16

With texinfo.tex ver. 2016-03-05.11, they work fine.

\input texinfo @c -*- coding: utf-8 -*-
@documentencoding UTF-8
@documentlanguage de

@copying
ü
@end copying

test
@insertcopying
test

@bye