diff -r eacce1cd716a -r 05fc32a23b8b doc-src/TutorialI/Misc/document/prime_def.tex
--- a/doc-src/TutorialI/Misc/document/prime_def.tex	Tue Aug 16 13:42:21 2005 +0200
+++ b/doc-src/TutorialI/Misc/document/prime_def.tex	Tue Aug 16 13:42:23 2005 +0200
@@ -1,8 +1,20 @@
 %
 \begin{isabellebody}%
 \def\isabellecontext{prime{\isacharunderscore}def}%
-\isamarkupfalse%
-\isamarkupfalse%
+%
+\isadelimtheory
+%
+\endisadelimtheory
+%
+\isatagtheory
+%
+\endisatagtheory
+{\isafoldtheory}%
+%
+\isadelimtheory
+%
+\endisadelimtheory
+\isamarkuptrue%
 %
 \begin{isamarkuptext}%
 \begin{warn}
@@ -21,8 +33,19 @@
 \end{isabelle}
 \end{warn}%
 \end{isamarkuptext}%
-\isamarkuptrue%
-\isamarkupfalse%
+%
+\isadelimtheory
+%
+\endisadelimtheory
+%
+\isatagtheory
+%
+\endisatagtheory
+{\isafoldtheory}%
+%
+\isadelimtheory
+%
+\endisadelimtheory
 \end{isabellebody}%
 %%% Local Variables:
 %%% mode: latex