diff -r 33b84d172c97 -r ee898d32de21 doc-src/TutorialI/Misc/document/Tree.tex
--- a/doc-src/TutorialI/Misc/document/Tree.tex	Tue Dec 17 11:04:58 2002 +0100
+++ b/doc-src/TutorialI/Misc/document/Tree.tex	Tue Dec 17 11:05:41 2002 +0100
@@ -33,6 +33,7 @@
 \isacommand{lemma}\ {\isachardoublequote}flatten{\isacharparenleft}mirror\ t{\isacharparenright}\ {\isacharequal}\ rev{\isacharparenleft}flatten\ t{\isacharparenright}{\isachardoublequote}\isamarkupfalse%
 \isamarkupfalse%
 \isamarkupfalse%
+\isanewline
 \isamarkupfalse%
 \end{isabellebody}%
 %%% Local Variables: