diff -r 5fefe658a6f8 -r 5f42dd5e6570 doc-src/TutorialI/Trie/document/Trie.tex
--- a/doc-src/TutorialI/Trie/document/Trie.tex	Mon Aug 29 10:28:17 2005 +0200
+++ b/doc-src/TutorialI/Trie/document/Trie.tex	Mon Aug 29 11:44:23 2005 +0200
@@ -1,13 +1,13 @@
 %
 \begin{isabellebody}%
 \def\isabellecontext{Trie}%
+\isamarkupfalse%
 %
 \isadelimtheory
 %
 \endisadelimtheory
 %
 \isatagtheory
-\isamarkupfalse%
 %
 \endisatagtheory
 {\isafoldtheory}%
@@ -218,18 +218,12 @@
 \end{exercise}%
 \end{isamarkuptext}%
 \isamarkuptrue%
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \isadelimproof
 %
 \endisadelimproof
 %
 \isatagproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \endisatagproof
 {\isafoldproof}%
@@ -237,18 +231,12 @@
 \isadelimproof
 %
 \endisadelimproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \isadelimproof
 %
 \endisadelimproof
 %
 \isatagproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \endisatagproof
 {\isafoldproof}%
@@ -256,18 +244,12 @@
 \isadelimproof
 %
 \endisadelimproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \isadelimproof
 %
 \endisadelimproof
 %
 \isatagproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \endisatagproof
 {\isafoldproof}%
@@ -275,22 +257,12 @@
 \isadelimproof
 %
 \endisadelimproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \isadelimproof
 %
 \endisadelimproof
 %
 \isatagproof
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \endisatagproof
 {\isafoldproof}%
@@ -298,18 +270,12 @@
 \isadelimproof
 %
 \endisadelimproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \isadelimproof
 %
 \endisadelimproof
 %
 \isatagproof
-\isamarkupfalse%
-\isamarkupfalse%
-\isamarkupfalse%
 %
 \endisatagproof
 {\isafoldproof}%
@@ -323,7 +289,6 @@
 \endisadelimtheory
 %
 \isatagtheory
-\isamarkupfalse%
 %
 \endisatagtheory
 {\isafoldtheory}%