diff -r 494f8cd34df7 -r 44fefb6e9994 doc-src/TutorialI/Misc/document/fakenat.tex
--- a/doc-src/TutorialI/Misc/document/fakenat.tex	Wed Aug 02 11:30:38 2000 +0200
+++ b/doc-src/TutorialI/Misc/document/fakenat.tex	Wed Aug 02 13:17:11 2000 +0200
@@ -2,8 +2,8 @@
 %
 \begin{isamarkuptext}%
 \noindent
-The type \isaindexbold{nat} of natural numbers is predefined and
-behaves like%
+The type \isaindexbold{nat}\index{*0|bold}\index{*Suc|bold} of natural
+numbers is predefined and behaves like%
 \end{isamarkuptext}%
 \isacommand{datatype}~nat~=~{"}0{"}~|~Suc~nat\end{isabelle}%
 %%% Local Variables: