[6933] luatex output encoding

[Gavin D. Smith]

Revision: 6933
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=6933
Author:   gavin
Date:     2016-01-11 19:33:25 +0000 (Mon, 11 Jan 2016)
Log Message:
-----------
luatex output encoding

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/doc/texinfo.tex

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2016-01-09 15:33:35 UTC (rev 6932)
+++ trunk/ChangeLog     2016-01-11 19:33:25 UTC (rev 6933)
@@ -1,3 +1,10 @@
+2016-01-11  Gavin Smith  <address@hidden>
+
+       * doc/texinfo.tex: For LuaTeX, output bytes instead of UTF-8 
+       multi-byte characters.  Add comment to say this is a problem 
+       with XeTeX which we haven't fixed.  Problem under LuaTeX and 
+       XeTeX reported by Masamichi Hosoda.
+
 2016-01-09  Gavin Smith  <address@hidden>
 
        * gnulib: Run gnulib-tool --add-import, omitting the "mkstemp" 

Modified: trunk/doc/texinfo.tex
===================================================================
--- trunk/doc/texinfo.tex       2016-01-09 15:33:35 UTC (rev 6932)
+++ trunk/doc/texinfo.tex       2016-01-11 19:33:25 UTC (rev 6933)
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2016-01-07.22}
+\def\texinfoversion{2016-01-11.19}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -9434,13 +9434,16 @@
 \else
 \XeTeXdefaultencoding "bytes"  % For subsequent files to be read
 \XeTeXinputencoding "bytes"  % Effective in texinfo.tex only
+% Unfortunately, there seems to be no corresponding XeTeX command for
+% output encoding.  This is a problem for auxiliary index and TOC files.
+% The only solution would be perhaps to write out @U{...} sequences in
+% place of UTF-8 characters.
 \fi
 
 \ifx\luatexversion\thisisundefined
 \else
 \directlua{
 local utf8_char, byte, gsub = unicode.utf8.char, string.byte, string.gsub
-
 local function convert_char (char)
   return utf8_char(byte(char))
 end
@@ -9450,6 +9453,16 @@
 end
 
 callback.register("process_input_buffer", convert_line)
+
+local function convert_line_out (line)
+  local line_out = ""
+  for c in string.utfvalues(line) do
+     line_out = line_out .. string.char(c)
+  end
+  return line_out
+end
+
+callback.register("process_output_buffer", convert_line_out)
 }
 \fi