--- a/doc-src/TutorialI/Misc/document/fakenat.tex Tue Aug 29 12:28:48 2000 +0200
+++ b/doc-src/TutorialI/Misc/document/fakenat.tex Tue Aug 29 15:13:10 2000 +0200
@@ -1,12 +1,11 @@
-%
-\begin{isabellebody}%
+\begin{isabelle}%
%
\begin{isamarkuptext}%
\noindent
The type \isaindexbold{nat}\index{*0|bold}\index{*Suc|bold} of natural
numbers is predefined and behaves like%
\end{isamarkuptext}%
-\isacommand{datatype}\ nat\ {\isacharequal}\ \isadigit{0}\ {\isacharbar}\ Suc\ nat\end{isabellebody}%
+\isacommand{datatype}\ nat\ {\isacharequal}\ \isadigit{0}\ {\isacharbar}\ Suc\ nat\end{isabelle}%
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