diff -r eef9e422929a -r 7ef380745743 doc-src/TutorialI/Misc/document/Itrev.tex
--- a/doc-src/TutorialI/Misc/document/Itrev.tex	Sat Nov 04 18:44:34 2000 +0100
+++ b/doc-src/TutorialI/Misc/document/Itrev.tex	Sat Nov 04 18:54:22 2000 +0100
@@ -2,7 +2,8 @@
 \begin{isabellebody}%
 \def\isabellecontext{Itrev}%
 %
-\isamarkupsection{Induction heuristics}
+\isamarkupsection{Induction heuristics%
+}
 %
 \begin{isamarkuptext}%
 \label{sec:InductionHeuristics}