Untabify.

texinfo.tex

@@ -104,10 +104,9 @@
 \hyphenation{eshell}
 
 % Margin to add to right of even pages, to left of odd pages.
-\newdimen \bindingoffset  \bindingoffset=0pt
-\newdimen \normaloffset   \normaloffset=\hoffset
+\newdimen \bindingoffset  
+\newdimen \normaloffset   
 \newdimen\pagewidth \newdimen\pageheight
-\pagewidth=\hsize \pageheight=\vsize
 
 % Sometimes it is convenient to have everything in the transcript file
 % and nothing on the terminal.  We don't just call \tracingall here,
@@ -4504,6 +4503,11 @@ width0pt\relax} \fi
 \global\pageheight=\vsize
 }
 
+\bindingoffset=0pt
+\normaloffset=\hoffset
+\pagewidth=\hsize
+\pageheight=\vsize
+
 % Allow control of the text dimensions.  Parameters in order: textheight;
 % textwidth; voffset; hoffset; binding offset; topskip.
 % All require a dimension;