diff --git a/texinfo.tex b/texinfo.tex
index 9652c779..59fd3ee3 100644
--- a/texinfo.tex
+++ b/texinfo.tex
@@ -1271,8 +1271,6 @@ where each line of input produces a line of output.}
 \def\ctrl #1{{\tt \rawbackslash \hat}#1}
 
 \let\file=\samp
-\let\url=\samp % perhaps include a hypertex \special eventually
-\def\email#1{$\langle${\tt #1}$\rangle$}
 
 % @code is a modification of @t,
 % which makes spaces the same size as normal in the surrounding text.
@@ -1325,7 +1323,7 @@ where each line of input produces a line of output.}
 
 \def\realdash{-}
 \def\codedash{-\discretionary{}{}{}}
-\def\codeunder{\normalunderscore\discretionary{}{}{}}
+\def\codeunder{\ifusingtt{\normalunderscore\discretionary{}{}{}}{\_}}
 \def\codex #1{\tclose{#1}\endgroup}
 
 %\let\exp=\tclose  %Was temporary
@@ -1339,6 +1337,12 @@ where each line of input produces a line of output.}
 \else{\tclose{\ttsl\look}}\fi
 \else{\tclose{\ttsl\look}}\fi}
 
+% @url, @email.  Quotes do not seem necessary.
+\let\url=\code % perhaps include a hypertex \special eventually
+% rms does not like the angle brackets --karl, 17may97.
+%\def\email#1{$\langle${\tt #1}$\rangle$}
+\let\email=\code
+
 % Check if we are currently using a typewriter font.  Since all the
 % Computer Modern typewriter fonts have zero interword stretch (and
 % shrink), and it is reasonable to expect all typewriter fonts to have
@@ -3417,8 +3421,8 @@ width0pt\relax} \fi
 \let\.=\ptexdot
 \let\*=\ptexstar
 \let\dots=\ptexdots
-\def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}
-\def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}
+\def\endldots{\mathinner{\ldots\ldots\ldots\ldots}}%
+\def\enddots{\relax\ifmmode\endldots\else$\mathsurround=0pt \endldots\,$\fi}%
 \def\@{@}%
 \let\bullet=\ptexbullet
 \let\b=\ptexb \let\c=\ptexc \let\i=\ptexi \let\t=\ptext