diff -up texlive-2007/texk/web2c/tex.ch.extramembot texlive-2007/texk/web2c/tex.ch
--- texlive-2007/texk/web2c/tex.ch.extramembot	2006-12-19 02:11:11.000000000 +0100
+++ texlive-2007/texk/web2c/tex.ch	2011-11-30 12:03:32.052795763 +0100
@@ -365,7 +365,7 @@ for i:=@'177 to @'377 do xchr[i]:=i;
 {Initialize enc\TeX\ data.}
 for i:=0 to 255 do mubyte_read[i]:=null;
 for i:=0 to 255 do mubyte_write[i]:=0;
-for i:=0 to 128 do mubyte_cswrite[i]:=null;
+for i:=0 to 127 do mubyte_cswrite[i]:=null;
 mubyte_keep := 0; mubyte_start := false; 
 write_noexpanding := false; cs_converting := false;
 special_printing := false; message_printing := false;
diff -up texlive-2007/texk/web2c/xetexdir/xetex.ch.extramembot texlive-2007/texk/web2c/xetexdir/xetex-noenc.ch
--- texlive-2007/texk/web2c/xetexdir/xetex.ch.extramembot	2006-07-26 18:19:45.000000000 +0200
+++ texlive-2007/texk/web2c/xetexdir/xetex.ch	2011-11-30 12:03:32.053795764 +0100
@@ -178,7 +178,7 @@ for i:=@'177 to @'377 do xchr[i]:=i;
 {Initialize enc\TeX\ data.}
 for i:=0 to 255 do mubyte_read[i]:=null;
 for i:=0 to 255 do mubyte_write[i]:=0;
-for i:=0 to 128 do mubyte_cswrite[i]:=null;
+for i:=0 to 127 do mubyte_cswrite[i]:=null;
 mubyte_keep := 0; mubyte_start := false;
 write_noexpanding := false; cs_converting := false;
 special_printing := false; message_printing := false;