diff -r 3b7b72db57f1 -r 7e51c9f3d5a0 doc-src/TutorialI/Recdef/document/Nested1.tex
--- a/doc-src/TutorialI/Recdef/document/Nested1.tex	Tue Aug 29 12:28:48 2000 +0200
+++ b/doc-src/TutorialI/Recdef/document/Nested1.tex	Tue Aug 29 15:13:10 2000 +0200
@@ -1,5 +1,4 @@
-%
-\begin{isabellebody}%
+\begin{isabelle}%
 \isacommand{consts}\ trev\ \ {\isacharcolon}{\isacharcolon}\ {\isachardoublequote}{\isacharparenleft}{\isacharprime}a{\isacharcomma}{\isacharprime}b{\isacharparenright}term\ {\isacharequal}{\isachargreater}\ {\isacharparenleft}{\isacharprime}a{\isacharcomma}{\isacharprime}b{\isacharparenright}term{\isachardoublequote}%
 \begin{isamarkuptext}%
 \noindent
@@ -39,7 +38,7 @@
 We will now prove the termination condition and continue with our definition.
 Below we return to the question of how \isacommand{recdef} ``knows'' about \isa{map}.%
 \end{isamarkuptext}%
-\end{isabellebody}%
+\end{isabelle}%
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