diff --git a/doc/ref/guile.texi b/doc/ref/guile.texi
index 5cf44d40b..c2e250d99 100644
--- a/doc/ref/guile.texi
+++ b/doc/ref/guile.texi
@@ -76,6 +76,17 @@ this GNU Manual.''
 @end macro
 
 
+@c  @cross{} is a \times symbol in tex, or an "x" in info.  In tex it works
+@c  inside or outside $ $.
+@tex
+\gdef\cross{\ifmmode\times\else$\times$\fi}
+@end tex
+@ifnottex
+@macro cross
+x
+@end macro
+@end ifnottex
+
 @c  @m{T,N} is $T$ in tex or @math{N} otherwise.  This is an easy way to give
 @c  different forms for math in tex and info.
 @iftex
@@ -120,7 +131,7 @@ this GNU Manual.''
 @comment The title is printed in a large font.
 @title Guile Reference Manual
 @subtitle Edition @value{MANUAL-EDITION}, for use with Guile @value{VERSION}
-@subtitle $Id: guile.texi,v 1.27 2004-01-21 22:43:36 mvo Exp $
+@subtitle $Id: guile.texi,v 1.28 2004-02-12 00:21:26 kryde Exp $
 
 @c AUTHORS