Re: XeTeX encoding problem

[Masamichi HOSODA]

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

Here is a patch that fixes the issue.

ChangeLog:

Fix Unicode character in @copying

2016-03-XX  Masamichi Hosoda  <address@hidden>

        * doc/texinfo.tex: Fix Unicode character in @copying.
        (\scanctxt): Add using \setcharscatcodeothernonglobal.
        (\nativeunicodecharscatcodeothernonglobal):
        Revert to 2015-03-15.
        (\setcharscatcodeothernonglobal):
        Revert to 2015-03-15.

--- texinfo.tex.org     2016-03-08 22:46:15.850782600 +0900
+++ texinfo.tex 2016-03-20 23:42:05.382585100 +0900
@@ -7896,6 +7896,7 @@
   \catcode`\|=\other
   \catcode`\~=\other
   \passthroughcharstrue
+  \ifx\declaredencoding\ascii \else \setcharscatcodeothernonglobal \fi
 }
 
 \def\scanargctxt{% used for copying and captions, not macros.
@@ -10912,6 +10913,22 @@
   \unicodechardefs
 }
 
+% Native Unicode (XeTeX and LuaTeX) catcode other non global definitions
+\def\nativeunicodecharscatcodeothernonglobal{%
+  \let\DeclareUnicodeCharacter\DeclareUnicodeCharacterNativeOther
+  \unicodechardefs
+}
+
+% Catcode (non-ASCII or native Unicode) are set to \other (non-global
+% assignments).
+\def\setcharscatcodeothernonglobal{%
+  \iftxiusebytewiseio
+    \setnonasciicharscatcodenonglobal\other
+  \else
+    \nativeunicodecharscatcodeothernonglobal
+  \fi
+}
+
 % US-ASCII character definitions.
 \def\asciichardefs{% nothing need be done
    \relax